+ Main Category
Biology: 18066
Agriculture: 7689
Horticulture: 3987
Forestry: 843
Geography: 5126
Environment: 5564
Research: 2417
Society: 448
+ Tell a Friend
Fill out the information below to email a friend a brief note about 'TropHort: Biology, Agriculture and Horticulture'
+ Top 10
+ Directory Statistics
Links: 41718
Categories: 7194
Registered Users: 656
Mailing List Subscribers: 133
+ Pagerank Statistics
+ Join Mailing List
Joining mailing list will entitle you to receive occasional emails informing you of news and updates to the site and any special offers that may be of interest to you.
Research > Chapter 1016
Bookmarks
The present situation and problems in sweet corn processing (1)
The present situation and problems in the food industry for countries about to join the European Community
The present situation and problems of energy use in Italian agriculture
The present situation and prospects for the production of apples in Italy. Studies on new planting systems and nursery trends
The present situation and the future of dry oak forest zone in Pakistan
The present situation as regards size reducing machinery
The present situation for dairying in Hokkaido and various problems for the future
The present situation of agricultural chemicals in Japan
The present situation of sericulture in Japan
The present situation with regard to the use of plum rootstocks
The present situation, development and economics of Impulsa milking technology
The present stage and expected development of agricultural production in some CMEA countries
The present state and future of vertical co-operation in meat production in the Rostock meat KOV
The present state and main problems in winter Triticale breeding in Laski and Choryn exp. stations
The present state and objectives of ampelography and clonal selection in grape
The present state and possibilities of optimizing vegetation factors by cultural practices in irrigated farming
The present state and prospects of hybrid wheat breeding
The present state and prospects of research on plant chromatin
The present state of and outlook for agricultural education in Poland, as viewed by agricultural teachers
The present state of and ways of improving the mechanization of herbicide application
The present state of avocado producing areas in Venezuela
The present state of beekeeping in south-west Antioquia
The present state of cattle production in Tanzania and methods of increasing the performance through feeding and breeding. 1. Feeding problems
The present state of development of mechanization in potato production
The present state of hydatidosis in Ecuador
The present state of knowledge concerning the biology and ecology of weeds
The present state of knowledge on apomixis
The present state of knowledge on the distribution of the members of the family Bibionidae (Diptera, Nematocera) in Romania
The present state of the human lactotransferrin sequence. Study and alignment of the cyanogen bromide fragments and characterization of N- and C-terminal domains
The present state of weed control in cereal crops
The present state of weed control in horticultural crops
The present state of weed control in meadows and pastures
The present status and prospects of plum growing in Italy
The present status of chromosome recognition and gene localization in rye, S. cereale L
The present status of foliage utilization
The present status of integrated control of citrus pests in Greece
The present status of investigations of plant tissue and cell culture in China
The present status of knowledge of the plants used in traditional medicine in western Africa: a medical approach and a chemical evaluation
The present status of the Egyptian cotton leafworm Spodoptera littoralis (Boisd.) resistance to insecticides in Dakahlia Governorate (Lepidoptera: Noctuidae)
The present status of the Estonian Pony breed
The present status of the biological control of Cordia curassavica in Malaysia
The present status of the practical application of plant tissue and cell culture in China
The present-day occurence of Cerambyx cerdo in the German Democratic Republic
The presentation of amoebiasis
The presentation of living arthropods and rodents - a danger to health
The preservation of chestnuts by packaging in a controlled atmosphere
The preservation of chicken meat. II. Bacteriological changes
The preservation of historic gardens
The preservation of refrigerated and uncooled milk by its natural lactoperoxidase system
The preservation of the architectural heritage and tourism
The preservation, extraction and determination of dinoseb and aminocarb in water
The preservative treatment of pine poles for use in the intertidal zone of warm waters
The pressuremeter test in a homogeneous linearly elastic cross-anisotropic soil
The presumed pathogenicity of Agrobacterium gypsophilae
The pretarsus - a vulnerable part of the Varroa mite
The prevalence and epidemiological characteristics of taeniasis in the northern Caucasus
The prevalence and epizootiology of salmonellosis among groups of horses in south east Queensland
The prevalence and incidence of hydatid disease of man and other livestock with particular reference to some areas of Andhra Pradesh
The prevalence and pathology of the cestode Polyonchobothrium clarias (Woodland, 1925) in the teleost, Clarias mossambicus (Peters)
The prevalence and seasonal periodicity of cestodes in the house rat, Rattus rattus, in three different localities of Jodhpur
The prevalence and some aspects of the epidemiology of strongyloidiasis in the Neklinovsk district of the Rostov region
The prevalence level of Leishmania major infection in Rhombomys opimus in years with decreased population numbers
The prevalence of Ascaris, hookworm, and Trichuris in patients attending a rural diarrhea treatment center in Bangladesh
The prevalence of Candida albicans in the mouths of tobacco smokers with and without oral mucous membrane keratoses
The prevalence of Cysticercus bovis in Kenya's abattoirs between 1975-1979
The prevalence of Dirofilaria immitis and other parasites in urban pound dogs in north-eastern Victoria
The prevalence of Echinococcus granulosus and other taeniid cestodes in sheep dogs of central Utah
The prevalence of Heterodera infections on cereal crops
The prevalence of Listeria antibodies in farm stock
The prevalence of Metagonimus yokogawai Katsurada, 1912 metacercariae in the Varvarinskoe reservoir
The prevalence of Sarcosporidia in commercial minced beef and pork
The prevalence of Strongyloides infection in the population of Azerbaidzhan
The prevalence of Toxocara infection in a child population
The prevalence of Toxoplasma gondii in meat animals and cats in central Scotland
The prevalence of Trypanosoma (Schizotrypanum) cruzi cruzi infection in Colombian monkeys and marmosets
The prevalence of Trypanosoma vivax in Bubalus bubalis in Belem municipality, Para State (Brazil)
The prevalence of alimentary helminthiasis and its association with nutritional status in children under five years old in the highlands of Papua New Guinea
The prevalence of anoplocephalates in buffaloes in Azerbaidzhan
The prevalence of anti-leptospiral agglutinins in sera of wildlife in southeastern Australia
The prevalence of antibodies to members of Leptospira interrogans in cattle
The prevalence of avian diseases in Bangladesh Agricultural University poultry farm
The prevalence of blood parasites in nestlings in western Kazakhstan
The prevalence of bovine cysticerciasis in the Cairo Montenotte slaughterhouse
The prevalence of bovine fascioliasis in Nigeria: a 5-year analysis of abattoir records
The prevalence of calorie-deficient diets in developing countries
The prevalence of cherry leaf roll virus in Juglans regia in the United Kingdom
The prevalence of childhood malnutrition: its measurement, what it means and its uses
The prevalence of cysticerciasis in reindeer in the Magadan region
The prevalence of diabetes in the rural and urban Polynesian population of Western Samoa
The prevalence of diabetes mellitus in a rural community in Iraq
The prevalence of diabetes mellitus in an adult community as determined by history or fasting hyperglycemia
The prevalence of drug-resistant cultures of coccidia
The prevalence of fish ligulids in birds of the Southern Ural region
The prevalence of gastro-intestinal nematodes in dairy cows
The prevalence of geophilic dermatophytes in soils of the Illawarra area of New South Wales
The prevalence of heartworm infection in three counties in North Carolina
The prevalence of helminths in Cervus elaphus and the anthelmintic treatment of deer in the Usman forest
The prevalence of helminths in beef farms
The prevalence of human intestinal parasites in Al-Baha, Saudi Arabia: a preliminary survey
The prevalence of hydatid cysts in slaughtered cattle in Bangladesh
The prevalence of hydatid disease in buffaloes in Bangladesh
The prevalence of hymenolepids in synanthropic foci
The prevalence of intestinal helminths in stray cats in central Scotland
The prevalence of intestinal parasites in Puerto-Rican farm workers in western Massachusetts
The prevalence of intestinal protozoa in the inhabitants of the Dashkesanskii region (Bayan village); epidemiological characteristics and prophylaxis
The prevalence of intestinal protozoa in the population in a zone of intense market gardening on the north-eastern slopes of the Large Caucasus ridge (epidemiological characteristics and prophylactic measures)
The prevalence of intestinal protozoal infection in school children of Mosul
The prevalence of ischaemic heart disease risk factors in middle-aged White miners
The prevalence of multilocular and unilocular hydatidosis in Taimyr
The prevalence of opisthorchid larvae in fish in the water-bodies of the south of West Siberia (USSR),
The prevalence of overwintering stages of apple pests in conditions of environmental contamination caused by different chemical compounds
The prevalence of parasites in cyprinids in the Varegovo pond fisheries in the Yaroslavl region
The prevalence of piroplasm infections in Boophilus calcaratus related to the treatment of cattle with azidine
The prevalence of plant nematodes on wheat, lupin and maize grown in crop rotation
The prevalence of races of Pyricularia oryzae Cav. in Rio Grande do Sul
The prevalence of serum neutralizing antibodies to infectious bovine rhinotracheitis virus in Scotland
The prevalence of three major risk factors of cardiovascular disease: (glucose intolerance, hypertension, hyperlipoproteinaemia) in a sample of Thai Social Class 1
The prevalence of trichomoniasis in Oklahoma beef bulls
The prevalence of viruses of honey bees in Britain
The prevalence of yeasts in clinical specimens from cancer patients
The prevalence, metabolism and migration of goblet cells in rat intestine following the induction of rapid, synchronous vitamin A deficiency
The prevalence, relative abundance and site distribution of Strongylidae in Shetland ponies in the Netherlands
The prevention and control of epidemics of acute undifferentiated diarrhea of beef calves in Western Canada
The prevention and cure of an infectious disease in cultivated juvenile Dover sole, Solea solea L
The prevention and treatment of trace element deficiencies in sheep and cattle
The prevention of alcoholic fatty liver using dietary supplements: dihydroxyacetone, pyruvate and riboflavin compared to arachidonic acid in pair-fed rats
The prevention of babesiosis and anaplasmosis in Argentina and Australia
The prevention of bacterial blight of cotton by seed treatments
The prevention of chick growth depression due to dietary lead by increased dietary calcium and phosphorus levels
The prevention of colon cancer
The prevention of complications in sheep during anthelmintic treatment with hexichol
The prevention of dehydration injury in celery seeds by polyethylene glycol, abscisic acid, dark and high temperature
The prevention of fascioliasis
The prevention of helminthiases on pastures
The prevention of large-scale migration from structurally weak regions. Regional planning aims and population distribution changes general conditions
The prevention of milk fever with 1 alpha -hydroxyvitamin D3 (1 alpha (OH)D3) administered in a precise regimen
The prevention of oral disease. Established methods of prevention
The prevention of oral disease. Future possibilities for the prevention of caries and periodontal disease
The preventive measures of shifting sand at the southeastern edge of the Tengger Desert
The price of agricultural land in 1979
The price of agricultural land in 1980
The price of agricultural land in mountain areas (1)
The price of land: its determination and control
The price of leisure. An economic analysis of the demand for leisure time
The price of loaded wheels
The price of satiety. A study of household consumption and budgets in Tunisia
The price theory of Thunen's theory of rent: assumptions and implications of a familiar model
The price-forecasting performance of futures markets for live cattle and hogs: a disaggregated analysis
The pricing aspects of programming models
The pricing of potatoes for consumption
The primary charactertistics of Tribolium populations group selected for increased and decreased population size
The primary importance of amino acid levels and secondary importance of protein levels in practical layer feeds
The primary mechanism inhibiting reticulo-ruminal motility during ruminal acidosis
The primary productivity of lawns in a temperate environment
The primary reaction of plant Photosystem II
The primary sex ratio in superovulated bovine embryos
The primary structure of cowpea chlorotic mottle virus coat protein
The priming effect of glucose in soil sterilized by gamma -radiation and reinoculated with Cellulomonas sp
The principal citrus mites and their control
The principal enemies of black currant and red currant
The principal injurious noctuids
The principal insect pests of sugar-cane in Peru
The principal mycotoxins and their importance in foodstuffs
The principal pests of apple trees in 1979
The principal plum varieties
The principal reproductive characters of some two- and three-breed crossbreds of white pig breeds with Durocs
The principal trends in breeding work with Sychevka cattle
The principalship in rural America
The principle of price co-ordination between different levels of the agroindustrial sector
The principle of proportionality in European Court judgements related to EC law on agriculture
The principle of sustention in forestry planning
The principles and practice of biodynamic agriculture
The principles and practice of weed control for no-tillage soyabean in southern Brazil using the bipyridyl herbicides
The principles for assessing the effectiveness of integrated control
The principles governing the species composition of the weed flora and weed noxiousness in the crop rotations of western Siberia
The principles of a parity oriented regional agricultural structural policy, and the chances of it coming into effect
The principles of evaluation of systems of protective measures
The principles of flavour refining in milk-free and milk-containing chocolate masses. I
The principles of flavour refining in milk-free and milk-containing chocolate masses. II. The influence of full cream milk powder on flavour development obtained by thermo-mechanical treatment
The principles of high yielding soyabeans and culture techniques
The principles of pest and disease control in hops and soft fruit
The principles of plant protection systems in the USSR
The principles of provision of representative phytosanitary information for particular regions
The principles, problems and responsibilities of the preliminary evaluation of genetic resources samples of seed-propagated crops
The private part-time farm within the economic system of developed socialism
The private sector: Soweto's hope for an optimistic future
The probability of losing an allele when diploid genotypes are sampled
The probable impact of the proposed Jebba Dam on the health aspects of the River Niger Basin of Nigeria
The probable long association of beet western yellows virus with the potato leaf roll syndrome in Tasmania
The probable role of migrant Fulani cattle rearers on human trypanosomiasis in Kainji Lake area of Nigeria
The problem of Heterodera of cereal crops in breeding spring wheat
The problem of atrazine-resistant weeds in maize and their control
The problem of binding protein in the estimation of 25-hydroxyvitamin D
The problem of body weight of marketed pigs
The problem of breed bias in commercial carcass classification and grading
The problem of compatability of national support measures and CAP
The problem of contamination of frozen, pelleted semen in biological containers
The problem of damage in the vineyard caused by herbicides applied to rice
The problem of dark-cutting in beef. A seminar in the EEC Programme of Coordination of Research in Animal Welfare, held in Brussels, 7-8th October 1980
The problem of dark-cutting in beef. A seminar in the EEC Programme of Coordination of Research on Animal Welfare, held in Brussels, October 7-8, 1980
The problem of date stamping of foodstuffs
The problem of delayed action of the herbicide Tormona 80 on honeybees
The problem of determining nutritive value
The problem of differential evaluation of progeny-tested bulls in breeding herds
The problem of diphyllobothriasis in the Far East of the USSR
The problem of drop-outs: interpretative bibliography
The problem of environmental carcinogens in tropical Africa
The problem of examination of milk for antibiotics and other inhibitors
The problem of filariasis in India
The problem of flystrike in sheep in Australia
The problem of fodder production on State Farms
The problem of food and poverty
The problem of food self-sufficiency in Africa
The problem of fuelwood and charcoal in tropical Africa. Analysis and assessment of research
The problem of gene pool recording in populations of livestock and poultry. 1. Genetic characters of erythrocyte antigens in cattle of Simmental type in the USSR
The problem of gene pool recording in populations of livestock and poultry. 2. Genetic characters of cattle of Simmental type for allelic forms of antigens, proteins and enzymes in blood
The problem of genetic resistance to leucosis in the fowl
The problem of genomic and cytoplasmic nomenclature in crucifer genetics
The problem of goat reproduction
The problem of goat reproduction. (Conclusion)
The problem of grain formation in wheat
The problem of identifying genotypes on the basis of phenotypes and quantitative characters in plant populations
The problem of identifying plant genotypes by phenotype and increasing the effectiveness of breeding
The problem of imported malaria
The problem of income comparisons between agriculture and groups in other types of job
The problem of inland rubber trade
The problem of intersectoral income comparisons
The problem of iron deficiency in peanuts (Arachis hypogaea L.) on basic and calcareous soils in Israel
The problem of losses caused by the cutter bar during combine harvesting of rape and methods proposed for reducing them
The problem of malaria in relation to shipping
The problem of mass reproduction of the common pine sawfly (Hym., Pamphiliidae) in Bohemia
The problem of measles virus response with reference to vaccine viability, age, protein energy malnutrition and malaria in the tropics
The problem of microbial infection and hygiene of commercial honeys
The problem of milk quality from the viewpoint of primary production
The problem of modelling the process of production development
The problem of mushroom poisoning in children
The problem of natural regeneration of conifers in the taiga
The problem of nitrate and nitrite in human food. 2. The occurrence of nitrate, nitrite and thiocyanate in human saliva
The problem of nitrogen utilization by ruminants, especially dairy cows
The problem of non participation of the local population in malaria control programmes in Nigeria
The problem of nutrition and the role of the agricultural industry in Brazil
The problem of nutrition in the developing countries and ideas for solving it
The problem of perspective in development policy
The problem of photosynthesis in the light of ideas of N. A. Maksimov
The problem of ploidy in Echeveria (Crassulaceae). I. Diploidy in E. ciliata
The problem of powdery mildew of barley in relation to breeding for varietal resistance
The problem of resistance in cereal breeding, selection and variety monitoring tests
The problem of rural development in Haiti
The problem of seasonality in Caribbean tourism
The problem of sexual bipotentiality as exemplified by teleosts
The problem of short-lived and long-lived bees in the prewintering and postwintering phase of the honeybee colony: a study of behaviour
The problem of soil caterpillars in soyabean crops
The problem of staggering holidays in 1977 and 1978
The problem of stating the fat content of milk
The problem of the definitive position of the ectosymbiotic fungus of the Macrotermitinae (Isoptera, Termitidae) and Attini (Hymenoptera, Myrmicinae) in the present-day mycological system shows itself to be misleading and unanswerable. Part I. On the new view of the nest fungus of the Macrotermitinae
The problem of the effectiveness of incentives
The problem of the food sector in the national economy
The problem of the occurrence of wheat streak mosaic virus
The problem of the root-knot nematodes in Greece
The problem of the zootechnical taxonomy of Bos taurus
The problem of using acaricides for control of the vector of tick-borne encephalitis virus
The problem of variability of some physical features of cereal grain
The problem of verminous cataract in areas of intensive trout culture
The problem of water hyacinths in rivers and canals. I. Production of compost from plant
The problem of water hyacinths in rivers and canals. II. Physicochemical properties of humic substances occurring at various degrees of humification of the composted weed
The problem of water in the milk-processing industry
The problem of water in the rural areas of the Ivory Coast: methodological and pedogogical aspects
The problem of weeds in Zaire
The problem of wild oats in Yugoslavia and in the world from agricultural and economic points of view
The problem of women and leisure - an ideological construction and a radical feminist alternative
The problem of work and leisure (Case study of three local communities)
The problems and future possibilities of up-to-date bovine embryo preservation
The problems facing Jamaica's tourist industry
The problems involved in improving spraying efficiency
The problems of Trichomonas colitis and its treatment
The problems of agricultural development 1974-77 (in the light of scientific research and farmers opinions)
The problems of dairy surplus in the European Community
The problems of developing and managing regional agricultural policies at the national level
The problems of devising and managing a regional agricultural policy at the Community level
The problems of interferon in veterinary medicine
The problems of land value, theory and practice
The problems of oriental tobacco production in the EEC. (Report and supplement containing maps and statistical appendix to Chapter 3) 2 Volumes
The problems of protecting plants from pests in conditions of intensification and specialisation of agricultural production
The problems of race-specificity in plant resistance breeding
The problems of running a riding establishment
The problems of seed potato production in Pakistan
The problems of small businesses in the South Carolina travel and tourism industry
The problems of small farms demand an individual approach
The problems of standardising slaughter pigs for half-carcass comparison
The problems of subsistence crops in Zaire: the example of Uele
The problems of the control of phytophagous mites (P. ulmi and T. urticae) in apple orchards
The problems of the landowner in private forestry
The problems of unbiassed identification of PSE meat and investigation of its incidence in South Moravia
The problems of using aviation in weed control
The problems of using water recirculation systems for fish farming
The problems surrounding water in the rural areas of Ivory Coast and methodological aspects of rural animation
The proboscis of the long-tongued bees: a comparative study
The procedure of testing and approval of chemicals for plant treatment as a contribution to protection of the environment
The procedures of monitoring, reporting and evaluating extension work. Report of the (FAO/UNFPA) National Workshop on Programmes for Better Family Living (PBFL), 14-18 May 1978, Entebbe
The proceedings of the Henry S. Dybas Symposium at Tri-State University
The proceedings of the seminar on family welfare education through agricultural co-operatives, March 27-29, 1980, Mt. Sokri, Korea
The process of desertification and the choice of intervention
The process of differentiation during spermatogenesis in bees (Hymenoptera, Apidae)
The process of double fertilization and the early stages of embryogenesis in bread wheat (T. aestivum L.) in the system of cytoplasmic male sterility and fertility restoration
The process of educational innovation. An international perspective
The process of formation of an agricultural workers' organization in the course of the agrarian revolution: stages and trends
The process of generation, diffusion and adoption of technology in the cattle-raising industry, Uruguay, 1950-1977
The process of infection by Hemileia vastatrix Berk. et Br. in resistant and susceptible cultivars of Coffea arabica L
The process of mediation in tourism interaction: a case study of Puerto Vallarta, Jalisco, Mexico
The process of milk coagulation by rennet
The process of modernization in Latin American agriculture
The process of nitrogen immobilization in soil at various temperatures II. Nitrate immobilization
The process of nitrogen immobilization in soil at various temperatures. I. Ammonia immobilization
The process of setting up socialist villages
The process of wetting dried milk protein and sodium caseinate
The processes of desertification and the choice of intervention
The processes of plywood manufacture
The processing and use of waste straw as a constructional material. Paper presented at 2nd Recycling World Congress, Manila, 20-22 March, 1979
The processing of a complex food odor by antennal olfactory receptors of Periplaneta americana
The procurement of grain
The producer co-responsibility levy as an instrument for implementing an income oriented price policy in surplus markets. Its budget, consumer policy, and welfare economic effects illustrated by the example of the EC milk market
The producer price level in Sweden and other parts of Western Europe
The producer retailer system explained
The producers' organizational choice: theory and the case of the Tanzanian villages. (Volumes I and II)
The producers-their resources and adaptive responses
The product is progress: rural electrification in Costa Rica
The production -- marketing chain from Danish pig producers to UK consumers
The production and characteristics of intergeneric and interspecific hybrids of Lolium and Festuca
The production and composition of milk from dairy cows fed hay supplemented with whole, rolled or alkali-treated barley grain
The production and conservation of forage under northern temperate conditions
The production and consumption of agricultural products in 1980
The production and incubation quality of eggs from ducks hatched on different dates
The production and nature of anemia in Schistosoma japonicum infections
The production and properties of wood-polymer material from comminuted wood
The production and quality of concentrated milks
The production and storage stability of lactoperoxidase containing feeding materials for calf rearing experiments
The production and study of inbred lines and interline hybrids of lavender
The production and study of initial apple material bred using induced polyploidy
The production and study of trispecific hybrids from the cross (Triticum aestivum X Secale cereale) F1 X triticale
The production and use of low-lactose milk
The production and use of opium in the Northern Thai uplands: an introduction
The production and use of swine vesicular disease virus from pig kidney monolayer cells grown on the surface of 3-mm-diameter glass spheres
The production and use of woodwool light weight building boards
The production and utilisation of cytokinins in rootless, dormant almond shoots maintained at low temperature
The production and vase life of flowering branches of mimosa
The production capacity of rabbits in meat and wool
The production characteristics of Bromus inermis Leyss and their inheritance
The production characteristics of a herd of Egyptian buffaloes
The production costs of bunched hyacinths
The production of Hisex White hens
The production of Imeretinskii cheese using the microbial preparation amylorizin G20x
The production of Landrace-wild boar hybrids in Siberia
The production of Narcissus sp. in aeroponic culture
The production of Saintpaulia ionantha in vitro: economic aspects
The production of TF-130 and LTF-130 vaccines at Khal'yalask Bioworks in Estonia
The production of acetate derived hydroxyanthraquinones, -dianthrones, -naphthalenes and -benzenes in tissue cultures from Rumex alpinus
The production of ammonia and volatile fatty acids in the rumen of cows given cereal and urea mixtures
The production of anti-Toxoplasma antibodies in patients and rabbits infected with Toxoplasma gondii
The production of biogas from cattle slurry: the effects of concentration of total solids and animal diet
The production of biomass by sugarcane
The production of cardiomyopathy in turkey poults by the oral administration of furazolidone
The production of catharanthine and other indole alkaloids by cell suspension cultures of Catharanthus roseus
The production of cineole from Eucalyptus: a preliminary report
The production of coconut seed
The production of cow's milk in Yugoslavia
The production of disomic addition lines of Brassica campestris
The production of dry feeds from straw and forage in the GDR
The production of ethanol from sugarcane: Brazil's experiment for a partial solution to the energy problem
The production of final intra-breed hybrids of a lean type
The production of foie gras: the market at Pau as an example
The production of forms of spring wheat resistant to stem and brown rusts
The production of grapevine grafts in relation to the original moisture content of the rootstock shoots
The production of high yields of infectious vesicular stomatitis virus in A. albopictus cells and comparisons with replication in BHK-21 cells
The production of hybrid oil-seed rape using self-incompatibility
The production of initial material for breeding oats in the north-western region of the RSFSR
The production of linseed for sowing in the Netherlands
The production of lysinoalanine and related substances during processing of proteins
The production of mature gametocytes of Plasmodium falciparum in continuous cultures of different isolates infective to mosquitoes
The production of milk rich in protein and low in fat, the fat having a high polyunsaturated fatty acid content
The production of monozygotic twins of preselected parentage by micromanipulation of non-surgically collected cow embryos
The production of new varieties of winter Triticum-Agropyron hybrids
The production of phytoalexins by oat in response to crown rust, Puccinia coronata f. sp. avenae
The production of progeny of a single sex by the cow and mink
The production of protozoan insecticidal material
The production of selected compounds in a Swiss-type cheese and their contribution to cheese flavour
The production of sorghum (Sorghum bicolor Moench) in the Sudan
The production of sports by Rhododendron simsii (Azalea indica L.): a synthesis
The production of spring bread wheat forms resistant to lodging in the Bashkir ASSR
The production of sterilized white soft cheese
The production of sugarbeet in Syria
The production of tetraploids in Lolium annuum
The production of thebaine, codeine and morphine from the Papaver genus
The production of tobacco seeds
The production of toxic protease by the entomopathogenous fungus Metarhizium anisopliae in submerged culture
The production of toxins by Botrytis fabae in relation to growth of lesions on field bean leaves at different humidities
The production of volatile fatty acids by Ascaris lumbricoides. I. Cultivation in Tyrode solution
The production of volatile fatty acids by Ascaris lumbricoides. II. Cultivation in Tyrode supplemented with antibacterial agents and nutrients
The production of wheat pollen embryo and the influence of some factors on its frequency of induction
The production potential of the Eastern Cape valley bushveld
The production rate of cortisol declines during recovery from anorexia nervosa
The production structure and the cereals market in Belgium
The production, handling and testing of forest tree seed in Zimbabwe. A review of methods and results
The production, marketing and manufacture of tobacco and tobacco products in Karnataka
The production, recognition and treatment of queen cells in the honey bee (Apis mellifera L.) colony
The productive capacity of short-term grass/clover mixture based on tetraploid red clover
The productive importance of nuts and pods in Italy
The productive life of lucerne/grass mixture in irrigated pastures of the chernozem zone
The productive potential of domesticated red deer
The productive properties of turkeys under cage management
The productive response of dwarf beans for processing to sowing time in the Sele plain
The productivity and chemical composition of Altai wild ryegrass as influenced by time of irrigation and time and rate of N fertilization
The productivity and consumption behavior of Colombian land reform beneficiaries: a comparison with other small farmers in the Colombian economy
The productivity and fuel consumption of driers in relation to the moisture content of material dried
The productivity and nutritive value of Imperata cylindrica (L) Beauv. in the Thai highlands
The productivity and selenium status of weaner sheep supplemented with selenium and vitamin E during summer
The productivity in induced mutants of moong bean
The productivity of Grati dairy cattle under village conditions in East Java, Indonesia
The productivity of Sahelian pastures: a study of soils, vegetation and exploitation of this natural resource
The productivity of a poplar plantation. I. Main characteristics of the site and the study area
The productivity of a range of forage legumes oversown with and without sabi grass into native grassland in northeast Thailand
The productivity of a sown meadow on drained fen peat soil as influenced by soil moisture regime and fertilization
The productivity of broiler production in Poland
The productivity of crop rotations with a simplified rotation structure
The productivity of even-aged stands of Pinus halepensis on the high plateau of Constantine in Algeria
The productivity of good and inferior wheat soil complexes under the climatic conditions of the Starogardzkie Lakeland. II. Yields of crops
The productivity of large-flowered cymbidiums can be raised
The productivity of lime groves in Primor'e
The productivity of lucerne/grass mixtures under practical conditions
The productivity of nitrogen fixation in the plant phyllosphere
The productivity of some mutants of the moong bean (Vigna radiata (L) Wilczek) I. Bigger grain size and high yielding mutants
The productivity of spring wheat, barley and oats grown in pure stands or in mixtures with other species at three rates of fertilization
The productivity of sugar beet and its uptake of nitrogen under nutrition by the insoluble part of urea-formaldehyde fertilizer
The productivity of sugar cane farms in the Sigatoka Valley, Fiji
The productivity of the main shoots of different length in some grapevine cultivars
The productivity of triticale in Abkhazia
The profile data sets of the information system 'Soil Parameters' (DABO-PRODAT)
The profile of triglyceride fatty acids in the blood serum of juveniles with mild hypertension with and without latent diabetes mellitus
The profitability of agricultural customers for commercial banks in the Southeast
The profitability of anthelmintic drenching in ewes
The profitability of growing oak in combination with beech or without
The profitability of sheep and mutton exports
The profitability of using commercial fertilizers and plant protection materials on farms with rising prices of farm materials and falling producer prices
The progeny of smut spores of Ustilago zeae (Beckm.) Ung. obtained from crossing prototrophic and auxotrophic strains
The prognosis and management of irrigation regime
The prognosis of anorexia nervosa (case reports during 26 to 29 years of 11 patients who had not received psychotherapy)
The prognosis of diseases of agricultural crops
The prognostic significance of specific IgG antibodies in insect sting allergy
The programme for improvement of broadleaved stands in private forests
The programme of action of the World Conference on Agrarian Reform and Rural Development (WCARRD), with particular emphasis on people's participation and organisation
The programme of genetic improvement in the Belgian White and Blue Pied breed
The programme of the Centre Agrhymet at Niamey (Niger). Hydrology and meteorology for agriculture
The programming of circadian flight-activity in relation to mating and the gonotrophic cycle in the mosquito, Aedes aegypti
The programming of high sugar beet yield
The progress and expectations of lily culture in the Netherlands
The progress to release of new East Malling apple selections
The progression of dependence between the food and agricultural sectors of the Spanish economy
The project approach to rural development -- an internal critical view
The project approach to rural development, an internal critical review
The project cycle
The projection of neuroendocrine fibers (NCC I and II) in the brains of three orthopteroid insects
The prokaryotes. A handbook on habits, isolation, and identification of bacteria
The prolactin gene is located on chromosome 6 in humans
The prolactin secretory response to neuroleptic drugs: mechanisms, applications and limitations
The proliferation of malignant catarrhal fever virus in cattle and rabbits
The prolonged storage of plant pollen at very low temperatures
The promises and problems of coordination in parks development and management
The promising apple hybrid MB623
The promising peach variety Plamennyi
The promotion of agriculture and forestry 1981
The promotion of domestic sideline production in rural China 1978-79
The promotion of healthy infant feeding practices in Nova Scotia: a unique situation
The promotion of quinone formation from exogenous polyphenols in leaf homogenates of sunflower grown under boron deficiency
The promotion of sweetened condensed milk as infant food
The promotion of tourism to Australia
The promotive effect on subsequent germination of treating imbibed celery seeds with high temperature before or during drying
The promotive effects of a mould, Penicillium funiculosum Thom on the germination of Oryzopsis miliacea (L.) Asch et Schw
The prompt effect of pyridazinone herbicides on the primary processes of photosynthesis
The proof of fragmented genome of red clover mottle virus
The propagation of Celtis occidentalis by root cuttings
The propagation of Hosta fortunei 'Albopicta'
The propagation of Liriope muscari Variegata and Ophiopogon japonicus from seeds
The propagation of cultivated blueberry from hardwood cuttings (I)
The propagation of fruit trees by in vitro culture of vegetative apices. The production of self-rooted plants of the apple cultivar Annurca
The propagation of hazelnut by grafting
The propagation of highbush blueberry by softwood cuttings
The propagation of pecan stem cuttings
The propagation-cushion system
The propects for sugar in South Africa
The proper placements of Nearctic soft scale species assigned to the genus Lecanium Burmeister (Homoptera: Coccidae)
The proper use of wage rate systems as an aid in cost reduction
The properties and transglucosidation action of alpha -glucosidase of honey
The properties of Cucurbita foetidissima seed oil
The properties of Sarawak timber. Mempisang/kepayang babi (Annonaceae)
The properties of Sarawak timber. Red Selangan (heavy Shorea spp.)
The properties of Sarawak timber: Bindang (Agathis alba )
The properties of Sarawak timber: Semayur (Shorea inaequilateralis Sym.)
The properties of Sarawak timber: mata ulat (Kokoona species)
The properties of Sarawak timber: merpauh/pitoh (Swintonia spp.)
The properties of Sarawak timber: terentang (Campnosperma spp.)
The properties of UF resins with low formaldehyde content and of particleboards bonded with them. 1. Influence of the molar ratio on the properties of uncondensed resins
The properties of UF resins with low formaldehyde content and of wood particleboards bonded with them. 2. Influence of molar ratio on the properties of particleboards
The properties of activated carbons produced from metal-substituted forms of phosphorylated wood
The properties of fine particles from seven different wood species
The properties of silage and the design of forage tower silos
The properties of straw cobs treated with NaOH and the pressing process in the roller press with disc matrix
The properties of upland soils and their implications for agriculture and forestry
The properties, yield and quality of the new wheat cultivar Kragujevacke 58
The property of nitrogen fixation in the sequence of evolution of life
The prophylactic and curative effect of oxamniquine in experimental schistosomiasis mansoni in mice
The prophylactic effect of azidine, naganin and azidine-naganin complex in experimental trypanosomiasis (Surra)
The prophylactic efficacy of khimkoktsid against coccidiosis in chicken
The prophylaxis of Cysticercus bovis infection of cattle on agricultural irrigation fields
The prophylaxis of Ichthyophthirius infection
The prophylaxis of Macracanthorhynchus infection in pigs in the Georgian SSR
The prophylaxis of Polymorphus infection in ducks
The prophylaxis of Syngamus infection in pheasants
The prophylaxis of Tetrameres infection in ducks
The prophylaxis of anaplasmosis of cattle
The prophylaxis of diplostomiasis in Coregonus peled
The prophylaxis of fascioliasis
The prophylaxis of helminth zoonoses when making use of sewage
The prophylaxis of pig helminthiases in industrial farming
The prophylaxis of protozoan diseases in fish in wintering ponds
The prophylaxis of trichinelliasis and Sarcocystis infection in pigs in Belorussia (USSR)
The proportion of autogamy and allogamy in the field bean (Vicia faba L.), as determined by several years of trials with white and coloured-flowered genotypes
The proportion of cereals in crop rotations and their unit and aggregate yields in these rotations
The proportion of employment in agriculture - international comparisons
The proportion of immature stages of the Rocky Mountain wood tick (Dermacentor andersoni) feeding on artificially infested cattle
The proportion of legumes in unfertilized natural meadow associations and increases in hay yield effected by phosphorus and potassium fertilization
The proportion of mineral elements in lucerne plants
The proportions of nematophagous fungi and the percentage of parasitized nematodes in soil under some crops
The proposed High Weald Area of Outstanding Natural Beauty: the use of landscape appraisal in the definition of its boundaries
The proposed amendments to agricultural holdings legislation
The pros and cons -- international tourism to the third world
The prospect of the tobacco commodity in Indonesia
The prospective renewable resource situation in the United States
The prospects and problems of finance in rubber-based investment
The prospects for antiviral chemotherapy in veterinary medicine
The prospects for boosting queen bee production
The prospects for community development in a rural township
The prospects for introducing grass carp into the reservoirs of Daghestan (as biomeliorators)
The prospects for selection for high stem sugar content in maize (Zea mays L.)
The prospects for the campesinos in Brazil
The prospects for utilisation of wild species in groundnut breeding
The prospects of a modern scientific approach to forest policy
The prospects of pepper as an export commodity
The prospects of the application of electrophysiological methods in studying processes of plant adaptation to changing factors of the environment
The prospects of water management for optimum citrus growth and production
The prostaglandin E2-induced contraction in the ileal longitudinal smooth muscle isolated from various animal species
The protease inhibitor of Nippostrongylus brasiliensis
The protease inhibitors as genetic markers of high protein content in potato tubers
The proteases and the protease inhibitor in the midgut of Leucophaea maderae
The protection clauses in the Common Agricultural Market organization legislation of the EEC
The protection of agricultural crops in the vicinity of Moscow
The protection of apple plantations against harmful organisms
The protection of bees against diseases
The protection of carrots against carrot fly (Psila rosae) with granular and emulsifiable concentrate formulations of chlorfenvinphos incorporated in gels used for drilling pre-germinated seed in a sandy loam
The protection of cherry orchards against starling damage. Determination of residues of methiocarb (mercaptodimethur) and its sulphoxide and sulphone metabolites
The protection of forage crops from pests, diseases and weeds
The protection of imported breeding cattle from blood parasitic diseases in Azerbaidzhan
The protection of lambs from Eperythrozoon infection while suckling Eperythrozoon ovis carrier ewes
The protection of maize
The protection of peas
The protection of plant resources
The protection of plywood and composite boards against woodborers and wood-destroying fungi
The protection of potato against diseases
The protection of potato against virus diseases
The protection of potato in storage
The protection of potato in the Soviet Far East
The protection of potatoes against infection by virus Y by means of mineral oil treatments
The protection of products during transport and storage
The protection of seed lucerne
The protection of stored groundnuts
The protection of sunflower against diseases
The protection of the watermelon crop with small tunnels
The protection of trees and shrubs in Moscow
The protective action of a single shelterbelt against wind erosion
The protective antigen of malarial sporozoites (Plasmodium berghei) is a differentiation antigen
The protective effect of several mycorrhizal fungi - Boletus sp. and Suillus grevillei on the damping-off disease of seedlings of Pinus tabulaeformis
The protective influence of progestogen only contraception against vaginal moniliasis
The protective potency of marine animal meat against the neurotoxicity of methylmercury: its relationship with the organ distribution of mercury and selenium in the rat
The protective role of acquired host antigens during schistosome maturation
The protective role of glutathione in penicillic acid-induced hepatotoxicity in male mice and possible involvement of an active metabolite
The protein and amino-acid requirements of broilers between 5 and 6 weeks. 1. Feeding single feedstuffs with or without supplementation of synthetic lysine, methionine, vitamins, minerals and trace-elements
The protein and lysine contents in grains of local Finnish rye cultivars grown in the non-chernozem zone of RSFSR
The protein and nucleic acid of a closterovirus isolated from a grapevine with stem-pitting symptoms
The protein components of wheat starch granules
The protein composition of the antennae in the crayfish Astacus leptodactylus and the cockroach Periplaneta americana
The protein content of milk from Polish Black-and-White Lowland cows in Wielkopolska
The protein content of the green mass of cereal crops at various growth stages with different sowing dates
The protein problem in triticale growing
The protein requirement of mink during growth
The protein requirement of mink during growth. 2
The protein requirement of mink during lactation
The protein requirements for maintenance of indigenous Kambing Katjang goats in Malaysia
The protein requirements of mink during the growth period. 1. Effect of protein intake on nitrogen balance
The protein requirements of mink during the growth period. 2. Effect of protein intake on growth rate and pelt characteristics
The protein-energy nutritional state in surgical patients assessed by anthropometric measurements and serum proteins
The protein-lipopolysaccharide complex extracted with trichloracetic acid from Salmonella typhimurium effective in protection of mice against S. typhimurium infection
The protein-sparing effect of different programmes of peripheral parenteral nutrition
The proteins and glycoproteins of insect cells in culture
The proteins and lipids of the aqueous phase of butter
The proteins of Ricinus and other oilseeds: protein bodies, storage proteins, lectins, and allergens
The prothoracic glands in the cockroach Nauphoeta cinerea (Olivier). II. Effect of JHA on histological structures of the glands
The prothoracic glands in the cockroach, Nauphoeta cinerea (Olivier). I. Histological studies of the glands in the last instar nymph and their degeneration in the adult insect
The protochlorophyllide holochrome of barley
The protonephridial system of Temnocephala novaezealandiae: structure of the flame cells and main vessels
The protozoa. Introduction to protozoology
The protozoan nucleus - morphology and evolution
The provenance trial of 1957 with Larix leptolepis at Husnes, Sunnhordland
The provision of recreation facilities for the handicapped in the Netherlands.
The proximate composition and glycoalkaloid content of three potato meals
The pseudoscorpionid Chernes cimicoides as a predator of the predatory mite Phytoseiulus persimilis on cucumber cultures in glasshouses
The psychological categorization of foods and non-foods: a preliminary taxonomy of food rejections
The psychological requirements for some occupations in forestry
The psychology of leisure
The psychology of leisure travel. Effective marketing and selling of travel services
The psychoneuroendocrinology of the ovulatory cycle of woman: a review
The psychrotroph test for butter
The pub and the publican: a participant-observer study of a public house
The public and mountain recreation
The public health significance of cysticercosis in African game animals
The public house, leisure and social control
The public library as a leisure resource in post-industrial society
The public on the farm
The pueblo joven La Esperanza: urbanization and adjustment of rural migrants to Trujillo, Peru
The pulmonary aspergilloses: three distinct entities or a spectrum of disease
The pulmonary clearance of Pasteurella haemolytica and the bronchoalveolar cell morphology in calves infected with BVD virus or Mycoplasma bovis
The pulmonary clearance of Pasteurella haemolytica in calves given Corynebacterium parvum and infected with parainfluenza-3 virus
The pulmonary clearance of Pasteurella haemolytica in calves infected with bovine virus diarrhea or Mycoplasma bovis
The pulmonary pathology of farmer's lung disease
The pulmonary vasculature of the mountain-viscacha (Lagidium peruanum). The concept of adapted and acclimatized vascular smooth muscle
The pulp and paper industry in the forest industry and national economy of the USSR
The pulpwood raw material shortage in Sweden
The pulsatile nature of luteinizing hormone secretion
The pupae of Atherix ibis (Fabricius) and A. marginata (Fabricius) (Diptera: Rhagionidae) and a key to the families of the aquatic Brachycera based on the pupae
The pupae of four species of horse-flies of the genus Tabanus (Diptera, Tabanidae)
The purchase of manufacturing milk on the basis of fat and protein
The purification and characterization of a heat-stable protease from Pseudomonas fluorescens B52
The purification and characterization of a third storage protein (convicilin) from the seeds of pea (Pisum sativum L.)
The purification and molecular characterisation of a putative nicotinic-muscarinic acetylcholine receptor from housefly heads
The purification and properties of sucrose-phosphate synthetase from spinach leaves: the involvement of this enzyme and fructose bisphosphatase in the regulation of sucrose biosynthesis
The purification of hyaluronidase from the venom of the honey bee (Apis mellifera)
The purification of immature barley endosperm
The purification of membrane antigens of Toxoplasma gondii for the detection of early antibodies in Toxoplasma infection
The purification of potato lectin by affinity chromatography on a fetuin-Sepharose matrix
The purine nucleosidases of Jerusalem artichoke shoots
The purpose and financing of higher education. Paper presented at Seminar 7-11 July 1980 San Jose, Costa Rica
The purpose of nature conservation
The putative Austrian x red pine hybrid: a test of paternity based on allelic variation at enzyme-specifying loci
The pyralid borer Eldana saccharina Walker: intensive studies of moth behaviour
The pyralid fauna (Lepidoptera, Pyralidae) of the southern slope of the Gissarskiy Krebet and the Gissar Plain
The pyrethrins and related compounds. Part XXV: synthesis and insecticidal activity of conformationally restrained compounds related to 3-phenoxybenzyl esters
The pyrethrins and related compounds; part XXIV: synthesis, 13C-nuclear magnetic resonance spectra and insecticidal activity of cycloalkyl analogues of fenvalerate
The pyruvate content and other bacteriological properties of raw milk and their influence on the quality of hard cheese
The qualitative composition of polyamines of Erwinia carotovora
The qualities of radiata pine papermaking fibres
The quality and economic value of the Golden Delicious apple crop after two years of thinning in the Adige valley
The quality and storage of apple
The quality and use of bulky roughages in feeding dairy cattle
The quality and use of leisure time by collective farmers
The quality of Valencia orange peel oil as related to rootstocks
The quality of apple trees
The quality of education in Mexican rural primary schools
The quality of grey Karakul pelts from a hybrid flock
The quality of incubation eggs after the use of induced moult in a broiler-producing flock
The quality of lambskins from South-East Bulgaria Finewool and Polish Merino lambs, and their F1 crossbreds, with regard to heterosis
The quality of leaf epicuticular wax in relation to the rates of transpiration in some angiospermous weed species
The quality of lettuce seed harvested at different times after anthesis
The quality of onions grown from sets treated with Ethrel at the end of their vegetative period
The quality of plant food
The quality of plantations converted into area covered by forest
The quality of sawn timber from Victorian regrowth as forests
The quality of sheepskins in crossbreeding fine-wooled ewes with mutton-wool rams
The quality of silage is easily determined
The quality of stemwood of Scots pine in mixed stands in relation to age
The quality of the seed yield of Scots pine in a seed orchard of high resin yield
The quality policy of the Ministry of Agriculture and Fisheries. Technology in the agricultural sector and the quality of agricultural and horticultural products. Attention to quality in the agricultural process. The contribution of electronics to quality control. (4 papers)
The quality requirements for raw milk considered from the point of view of the Federal Institute
The quandong - a potential new fruit and nut crop for arid areas
The quantifying of flue quality in ostrich plumes with special reference to the fat content and cuticular structure of the barbules
The quantitation of Trypanosoma congolense in calves. IV. In vitro culture of myeloid and erythroid marrow cells
The quantitation of parasite-specific human IgG and IgE in sera: evaluation of solid-phase RIA and ELISA methodology
The quantitative analysis of plant sterols
The quantitative analysis of subtropical forests in Hwang-shan
The quantitative and qualitative composition of a population of a laboratory culture of Musca domestica L. and the possibility of its regulation
The quantitative assay of minerals for Fe2+ and Fe3+ using 1,10-phenanthroline: I. Sources of variability
The quantitative assay of minerals for Fe2+ and Fe3+ using 1,10-phenanthroline: II. A photochemical method
The quantitative contents and amino acid composition of lipids of somatic reserve organs of plants
The quantitative determination of free fatty acids of winter rye mitochondria by gas chromatography
The quantitative effects of maternal dietary energy intake on pregnancy and lactation in rural Gambian women
The quantitative effects of the B blood group locus and sex linked histocompatibility antigen in chickens on G-v-H reaction
The quantitative estimation of egg parasites in forest biocoenoses
The quantitative evaluation of soil phosphorus availability
The quantitative genetics of diploid synthetic varieties
The quantitative nutrient-response relationship
The quantitative relationship between weed weight and the productivity of field plant associations
The quantitative structure of helminth grouping of the fresh water snake in the Hyderabad district
The quantity and quality of red beet (Beta vulgaris L. var. rubra L.) for processing influenced by timing and density of sowing
The quantity and quality of semen in relation to age of bull
The quantity of blood ingested by first-instar nymphs of Dipetalogaster maximus (Uhler, 1894) from donors with sickle-cell trait and from normal controls
The quantity of nutrients left on pasture in the excreta of sheep
The quest for a unified approach to development
The quest for improved corn drying I - on-farm statistical study
The quest for improved corn drying II - experimental
The quest for tolerant germplasm
The question of transfers in agricultural development in socialist Eastern Europe
The question of altitudinal distribution of exophilous synanthropic and coprophilous flies
The question of animal rights
The question of dioecious specimens in Wardium amphitricha (Cestoda: Hymenolepididae)
The question of frost resistance in feijoa
The question of gibberellic acid usefulness as stimulator in cultivation of seed grasses
The question of injuring the root growth of maize with pendimethalin
The question of optimal densities of forest land in the tourist regions of Central Europe
The question of site class
The question of technology and the organization of agricultural research in Latin America
The question of temperature in cleaning and disinfection of milking installations
The question of the effect of small mammals on the population of leaf-rollers (Tortricidae)
The question of the natural focality of tuberculosis
The quettamines: a new class of isoquinoline alkaloids
The quinine-haemin interaction and its relationship to antimalarial activity
The quinones of Nepenthes rafflesiana. The crystal structure of 2,5-dihydroxy-3,8-dimethoxy-7-methylnaphtho-1,4-quinone (nepenthone-E) and a synthesis of 2,5-dihydroxy-3-methoxy-7-methylnaphtho-1,4-quinone (nepenthone-C)
The rabbit as a laboratory animal for studies on Chagas' disease
The rabbit experiment station 1979. Progeny tests, feeding trials, lighting programme
The rabbit test station 1980. Progeny tests, Feeding experiments, Light programme, Intensive production system
The rabbit: an emerging livestock species
The race spectrum of wheat and barley mildew between 1975 and 1977 in the German Democratic Republic
The raceme borer of oil palm, Castnia daedalus (Cramer), in the Tocac