The role of food plants in the development and survival of Dysdercus superstitiosus F. (Hemiptera, Pyrrhocoridae)
The role of foot mycoses in the pathogenesis of occupational dermatoses of chemical etiology
The role of forage in animal production in Australia
The role of forage in the United States
The role of forecasting in crop protection decision making: an economic viewpoint
The role of forest stands in preventing water pollution
The role of forestry in combatting desertification and its contribution to development
The role of forestry in the amelioration of drought in Nigeria
The role of forestry in the future environment of Mid Wales
The role of formal and non-formal training in the contribution of women to rural development: the example of Benin
The role of formula feeds and natural productivity in culture of the prawn, Macrobrachium rosenbergii
The role of free amino acids in osmoregulation of cricket blood (Acheta domesticus)
The role of fresh water fish in transfer and maintenance of trichinellae under natural conditions
The role of full-time farms in French agriculture
The role of fungi in the deterioration of tropical stored products
The role of futures forecasts in recreation: some applications in the third nationwide outdoor recreation plan. In: Proceedings 1980 National Outdoor Recreation Trends Symposium, University of New Hampshire, April 20-23, 1980. Volume I
The role of gamma -glutamyl transpeptidase in the nephrotoxicity of an Agaricus bisporus metabolite
The role of gaseous and volatile root metabolites of Lupinus termis on the spore germination of rhizospheric mycoflora
The role of gastric factors in drinking termination in the monkey
The role of gene effects and heterosis for resistance to downy mildew in pearl millet
The role of genetic factors in umbilical hernia in cattle 1. Frequency of the defect, and genealogical data
The role of genetical studies in developing new cultivars of pigeonpea for nontraditional areas of north India
The role of genetics in improving the efficiency of poultry in the 1980's
The role of genetics in vegetable improvement
The role of genotype and environment in competition between species. Observations on Phleum hirsutum Honckeny and Festuca stenantha (Hackel) K. Richter
The role of genotype in the functionality of supernumerary teats in cows, in relation to incidence of mastitis
The role of germinal vesicle karyoplasm in the development of male pronucleus in the mouse
The role of gibberellins and cytokinins in the growth correlative effect of cotyledons in flax and pea
The role of gibberellins in EPTC (S-ethyl dipropylthiocarbamate) injury to corn (Zea mays L.)
The role of gibberellins synthesized in seeds in the control of flowering in apples
The role of glucagon in the natriuresis of fasting
The role of glyceollin in soybean root tolerance to Phytophthora root rot
The role of glycogen in the biology of the larval stages of trematodes
The role of glycols in the diagnosis of trichinelliasis of animals
The role of glycolysis in aflatoxin biosynthesis
The role of government policies in agricultural development: the case of the cattle industry in Tanzania
The role of grass in milk production -- recent impressions
The role of grassland in milk production
The role of grasslands in crop rotations
The role of grassroots participation in national development: lessons from the Kwara State of Nigeria
The role of grazing in maintaining high species-composition in Imperata grassland in Rwenzori National Park, Uganda
The role of growth in the glucose intolerance of uremia
The role of heat resistant bacterial enzymes in UHT processing
The role of herbivorous fishes at reconstruction of ichthyofauna under the conditions of anthropogenic evolution of waterbodies
The role of heterochromatin in regulating heterosis
The role of heterozygosity in alfalfa yield: report of 10 years of research
The role of histamine-2-receptor bearing cells in the immunomodulation caused by Trichinella spiralis
The role of hormones in promoting and developing growth to select new varieties in sterile culture
The role of host biology, vector biology, and temperature in the distribution of Trypanosoma bullocki infections in the lower Chesapeake Bay
The role of host cell membranes
The role of host hormones in controlling survival and development of Schistosoma mansoni
The role of host-plant selection in bee speciation processes
The role of human factors in agricultural production
The role of human factors in the emergence of food-borne zoonoses
The role of humidification in anaesthesia
The role of humoral antibodies in the immunity against coccidioidosis
The role of hydrogenase in nodule bacteroids and free-living rhizobia
The role of hydrology in water law
The role of hyperparasitism in biological control: a symposium
The role of hypertension in hemodialysis-associated atherosclerosis
The role of hypoinsulinemia in exercise metabolism
The role of iceberg utilization in solving the Saudi Arabian water problems
The role of iceberg utilization research and development in enhancing the transfer of technology in Saudi Arabia
The role of immune complexes in human malaria and some of its complications
The role of immunity during Hypoderma infestation of cattle
The role of imported natural enemies in suppressing re-growth of prickly pear, Opuntia ficus-indica, in South Africa
The role of improved forage crops in livestock systems
The role of in vitro culture in plant multiplication
The role of indolyl-3-acetic acid in the life activity of urediospores of wheat stem rust
The role of induced mutations in evolving phenotipically stable green gram (Vigna radiata (L.) Wilezek) for stress conditions
The role of industry in dairy development
The role of inflation in relation to the production, and consumption of dairy products in South Africa, with particular reference to the expected population growth rate coupled with the need to satisfy the requirement for essential protein
The role of information in communicating with the rural poor: some reflections
The role of innovation, positive experience and progress for the development of agriculture
The role of insecticide-resistant phytoseiids in integrated mite control in New Zealand
The role of insectivorous birds in forest biocenoses
The role of insects in dispersing eggs of tapeworms. II. Personal investigations
The role of insulin and parathyroid hormone in the protein-induced calciuria of man
The role of internal dynamic factors in the functioning of soil conservation committees
The role of intubation in the treatment of hepatic hydatidosis
The role of inventories in forest planning
The role of iodine and thyroid gland on reproduction and production of chickens. III. Semen characteristics
The role of iodine, silicon and titanium on manganese toxicity in an acid soil
The role of iron in the toxicity of 2,3,7,8-tetrachlorodibenzo-(p)-dioxin (TCDD)
The role of irrigation in food and fiber production
The role of irrigation in intensive fodder production in the maize production region
The role of irrigation in the smallholder sugarcane growing intensification programme in East Java
The role of jackals in the transmission of Echinococcus granulosus in the Turkana District of Kenya
The role of juvenile hormone in the larval diapause of the European corn borer, Ostrinia nubilalis
The role of karyology in the taxonomy of root-knot nematodes
The role of laboratory spectroscopy in agricultural sciences
The role of latent form of black leg
The role of lead in gout nephropathy
The role of leaf area during spraying in the tolerance of Inia wheat (Triticum aestivum L.) to 2,4-D amine
The role of leaves in auxin and boron-dependent rooting of stem cuttings of Phaseolus aureus Roxb
The role of legumes in Tropical America
The role of legumes in pastures
The role of leucine in ketogenesis in starved rats
The role of light and oxygen in the action of photosynthetic inhibitor herbicides
The role of light in developing resistance of winter wheat to temperatures below freezing. (Preliminary data)
The role of lime in agriculture: some recent results
The role of lipid peroxidation during chronic and acute exposure to ethanol as determined by pentane expiration in the rat
The role of lipids in avian sperm survival
The role of lipids in maternal and infant undernutrition during pregnancy and lactation
The role of local community groups in the tourist development of Sicily and tourism planning on the Messina Province coastline
The role of local institutions in integrated approach to rural development
The role of local roads in agricultural development: a new analysis
The role of lysozyme in killing and lysis of coliform bacteria in the bovine animal. I. Serum and milk concentrations of lysozyme and susceptibility of coliform strains to its action
The role of lysozyme in killing and lysis of coliform bacteria in the bovine animal. II. Effect of absorbing serum with bentonite or bacteria
The role of macronutrients in cabbage-head formation. II. Contribution to cabbage-head formation of calcium, magnesium or sulfur supplied at different growth stages
The role of macronutrients in cabbage-head formation. III. Cabbage-head development as affected by nitrogen and light
The role of macronutrients in cabbage-head formation. IV. Efffect of nitrogen supply or light intensity on the growth and 14CO2 and 15NO3-N assimilation of cabbage plants
The role of macrophages in protective immunity and immunosuppression in bovine theilerioses
The role of male accessory-gland substance on female reproduction with some observations of spermatogenesis in the stable fly
The role of management in efficient pig production, with specific reference to personnel practices
The role of management in wilderness and natural-area preservation
The role of market factors in the smallholder cropping system of Southeastern Nigeria
The role of market price-weight relationships in optimal beef cattle backgrounding programs
The role of marketing boards in the processed tomato and asparagus industries
The role of marxist agricultural economists
The role of medium neutralization in accumulation of organic acids and in optimization of ion composition of plants under ammonium nutrition conditions
The role of membrane fatty acids in mammalian hibernation
The role of membrane studies in parasitology
The role of membranes in respiratory gas exchange of germinating sunflower seeds
The role of mesocotyls in nitrogen nutrition of maize seedlings. Experiments on feeding different organs with 14C-sugars
The role of micro-organisms in the deoxygenation of water treated with herbicides
The role of microelectronics in agriculture and horticulture
The role of microhabitat in structuring desert rodent communities
The role of microsporidia in the population dynamics of the gypsy moth (Porthetria dispar L.) in forest plantations in the lower cis-Dneiper region
The role of midges (Ceratopogonidae) in the circulation of arboviruses (review)
The role of migration in the genetic structure of populations in temporally and spatially varying environments. III. Migration modification
The role of milk and milk constituents in the human diet
The role of mineral elements in plants
The role of mineral nutrition in the structure and function of an old field plant community
The role of minor elements and their combinations with chemicals in increasing pea resistance to pests and diseases
The role of mist and chemical treatments in rooting loblolly and shortleaf pine cuttings
The role of mite, house dust and candida allergens in chronic urticaria
The role of mites and nematodes in early stages of buried litter decomposition in a desert
The role of molybdenum in nitrogen fixation
The role of monoamines in female puberty
The role of monoclonal antibody technology in immunoparasitology
The role of multinationals in vocational training
The role of mutation in the evolution of imperfect fungi
The role of mutation in the evolution of some species of cultivated wheat
The role of mycelium in the elimination of aflatoxin B2 from contaminated substrates
The role of mycorrhiza in forestry development in Thailand
The role of mycorrhiza in legume nutrition on marginal soils
The role of mycorrhizae in influencing succession on abandoned Everglades farmland
The role of nematodes in decomposition of plant material in a rye field
The role of nematodes in the ecosystem of a meadow in Warsaw environs
The role of neonatal metabolic disorders on the neurological and developmental outcome of LBW infants
The role of neutrophils in bovine ephemeral fever virus infection of cattle
The role of nicotinamide and of certain other modifying factors in diethylnitrosamine carcinogenesis: fusaria mycotoxins and 'spontaneous' tumors in animals and man
The role of night temperature in the bulbing of onion (Allium cepa L.)
The role of nitrogen compounds from cow urine in grass and soil
The role of nitrogen in intensive grassland production
The role of non-formal education in rural development: a 10-year case study of the Cauca River Valley, Colombia
The role of non-gregarious grasshoppers (Orthoptera, Acrididae) in gramineous associations in the western part of central Kazakhstan and the zones of vittate pine forests in north-eastern Kazakhstan
The role of normatives, guide values, and norms in the socialist agriculture and food industry (of the GDR)
The role of noxious taste in determining food intake in the rat
The role of nutrient reserves in Mallard reproduction
The role of nutrient supplements in the nutrition of seniors
The role of nutrition in plastic surgical practice: a review
The role of nutrition in pregnancy
The role of nutritional status, airway obstruction, hypoxia, and abnormalities in serum lipid composition in limiting exercise tolerance in children with cystic fibrosis
The role of ocelli in the landing response threshold in flies Pollenia rudis F. (Diptera Calliphoridae). only
The role of oil production in the geography, economy and society of Tunisia
The role of oils and fats in ruminant diets
The role of olfaction in the reproductive behaviour of pigs
The role of on-farm testing and evaluation in agricultural research and policy management
The role of oral immunisation in stimulating E. coli antibody of the IgM class in porcine colostrum
The role of organic acids in zinc tolerance in Deschampsia caespitosa
The role of organic matter in the maintenance of site productivity on sandy soils
The role of oxygen and temperature in the germination of seeds of Oldenlandia corymbosa (tropical Rubiaceous plant)
The role of pH and buffering capacity of faeces in the control of the gram-negative intestinal flora
The role of pH changes in phytochrome-mediated rapid responses in pea stems
The role of paraquat for conserving time in seedbed preparation
The role of part-time farming in some areas of the Eastern Cape Province
The role of parthogenesis and female aptery in microgeographic, ecological adaptation in the fall cankerworm Alsophila pometaria Harris (Lepidoptera: Geometridae)
The role of peasant farmer training in rural development. Vols I and II
The role of pesticide producer in biological control
The role of pesticides in post-harvest protection of cereal grains with particular reference to Ghana
The role of phenols in the pathogenicity of Botrytis allii
The role of phenyl mercuric acetate (PMA) antitranspirant on moisture conservation for wheat. 1. Effect of PMA concentrations on yield component, grain yield and grain quality
The role of phenyl mercuric acetate (PMA) antitranspirant on moisture conservation for wheat. 2. Effect of PMA concentrations on evapotranspiration control
The role of pheromones, kairomones, and allomones in the host selection and colonization behavior of bark beetles
The role of phosphorus in agriculture
The role of photoperiod and temperature in the regulation of diapause termination in Drosophila transversa Fll. and D. phalerata Mg. (Diptera, Drosophilidae)
The role of physiology in breeding herbage cultivars adapted to their environment
The role of phytoalexins in host-parasite specificity
The role of phytohormones (cytokinins) in chloroplast development
The role of phytosociological data in floras and taxonomy
The role of pigeonpea in village diets
The role of plant epidermal silica as a structural inhibitor of rumen microbial digestion in steers
The role of plant mass, basal area and density in assessing the herbage mass response to fertility of some native perennial grasses
The role of plant plasmalemma in host plant and pathogen interrelations
The role of plant protection for increasing and stabilizing cereal yields
The role of plant stresses in development of corn stalk rots
The role of plasma transferrin in iron absorption in the rat
The role of plasmid deoxyribonucleic acid in Streptococcus lactis subsp. diacetylactis
The role of political and social organization in health development
The role of pollinators in the production of sweet cherries
The role of polygalacturonase (PG) in the ripening of apple fruits
The role of polyphagous predators in limiting the increase of cereal aphids in winter wheat
The role of polyphenols, oxidative and macerating enzymes in onion bulb cultivars infected with Botrytis allii
The role of pond studies in assessing the hazard of toxic chemicals to freshwater ecosystems
The role of postnatal age and magnesium on parathyroid hormone responses during exchange blood transfusion in the newborn period
The role of potassium in carbon-dioxide metabolism, growth and yield of alfalfa
The role of potassium in citrus production
The role of potassium in crop production
The role of potassium in the production of sugarcane in South Africa
The role of potassium in the vacuolization of plastids-an electron microanalysis study
The role of potassium in vegetable production in South Africa
The role of potassium in yield formation
The role of practical training and industrial experience in dairy training courses at lower and medium level
The role of preconditioning of Zebu cattle on the course of experimental Trypanosoma vivax infection
The role of predatory Hemiptera in disseminating and nuclear polyhedrosis virus of Heliothis punctiger
The role of pressure damage in pathogenesis of the downer cow syndrome
The role of private part-time farming in raising food production
The role of product development in Norway in dairying
The role of professional advisory services in a rapidly changing agricultural environment
The role of prolactin and LH in luteal function and blastocyst growth in mink (Mustela vison)
The role of prostaglandins during parturition in the mare
The role of protease in the ovarian follicle wall at ovulation
The role of protein metabolism of wheat in amino acid induced resistance to rust
The role of protein supplements in nutrition of young grazing cattle and their subsequent productivity
The role of protein synthesis in auxin-induced cell elongation
The role of protein synthesis in regulation of oestradiol-17 beta in the pro-oestrous hamster
The role of pulmonates in the shallow waters of the Dnepr reservoirs
The role of radiation treatment in crop storage
The role of radiology in the diagnosis of heartworm infestation in the dog
The role of raion Soviets in directing agriculture
The role of recreation in rural land use systems
The role of recreation in the development of national parks in New South Wales
The role of relative humidity on the storage of jute seeds
The role of resort associations in developing resorts
The role of ribosomal genes in RNA levels and nucleolar formation in Zea mays L
The role of ripening date for choosing fruit species and cultivars for large orchards
The role of rodents in the circulation of the nematode Hepaticola hepatica (Capillariidae) in natural foci
The role of rodents in the epidemiology and epizootiology of helminths in Azerbaidzhan
The role of roots in control of bean shoot growth
The role of roots in shoot senescence of peas (Pisum sativum L.)
The role of rural and urban small-scale industry in development: empirical evidence from Sierra Leone
The role of salads, vegetables and fruit in the epidemiology of trichuriasis in the Kuba region of the Azerbaidzhan SSR
The role of sanitary and technical conditions in greengrocer shops in the spread of soil-transmitted helminthiases
The role of science in agriculture
The role of scientific and technical personnel in accelerating technical change
The role of season, vitamin A and testosterone on the initial hydrogen ion concentration of semen of buffalo and Friesian bulls
The role of seed banks in the peristence of Ontario's coastal plain flora
The role of seed coverings on the dormancy of zoysiagrass
The role of seed dormancy in vegetation dynamics
The role of seed testing
The role of seed-borne inoculum in the epidemiology of net blotch of barley in New Zealand
The role of seed-tuber and stem inoculum in the development of gangrene in potatoes
The role of selected Deuteromycetes in the soft-rot of wood treated with pentachlorophenol
The role of selection in altering the content of mineral elements in the grain of winter bread wheat
The role of selection in the solution of the problem of the production of protein of animal origin
The role of self-help groups in rural development projects
The role of serum and biliary antibodies and cell-mediated immunity in the clearance of S. typhimurium from chickens
The role of serum ferritin in the management of idiopathic haemochromatosis
The role of serum gastrin in the secretion of calcitonin: studies in patients with pernicious anaemia and in healthy subjects
The role of sex hormones in the mechanism of inhibited LH release in female patients with anorexia nervosa
The role of sex pheromones in initiation of copulatory behaviour by male tsetse flies, Glossina morsitans morsitans
The role of shelterbelts in snow deposition
The role of silicon additions in the corrosion resistance of chromia-forming alloys in coal gasification atmospheres
The role of silicon compounds in solonization
The role of single land attributes in forest evaluation (classification, evaluation and inventory)
The role of small towns in rural-urban development: some examples from Northern Malaysia
The role of small-scale production and the specific side of its development
The role of social anthropology in development studies
The role of social factors in the expression of circadian rhythmicity in a group in Periplaneta americana (Dictyopt.)
The role of social interactions in toxicity testing
The role of socialist finance for development of the Russian Non-black-earth region
The role of soil moisture in catchment hydrology
The role of soil moisture in the development of some species of the genus Agrotis (Lepidoptera, Noctuidae)
The role of soil taxonomy and benchmark soils in technology transfer
The role of some Tabanidae species and of their larvae in the maintenance and dissemination of Toxoplasma
The role of some exogenous and endogenous factors in the isolation of protoplasts from potato cell cultures and their recovery in cell colonies
The role of some water soluble organic substances in soils
The role of species characteristics of plants in fire climates as a guide to management
The role of sporangia in the epidemiology of pearl millet downy mildew
The role of stabilisers
The role of stability in orographically influenced precipitation in Israel
The role of stable cesium on plant uptake of cesium-137
The role of stable flies and mosquitoes in the transmission of equine infectious anemia virus
The role of state purchasing in raising the efficiency of farm production
The role of statistical consultation in research establishments in Japanese forestry
The role of steroids in sex recognition during spawning behaviour of the goldfish, Carassius auratus L
The role of steroids in the control of oocyte final maturation and ovulation in yellow perch (Perca flavescens)
The role of stomatal oscillations on plant productivity and water use efficiency
The role of streptomycetes in decomposition of chitin in acidic soils
The role of strongylates in pneumonia and gastro-enteritis in lambs
The role of submersed weedbeds in internal loading and interception of allochthonous materials in Lake Wingra, Wisconsin, USA
The role of subsoil moisture in the formation and productivity of Scots pine phytocoenoses in the Poles'e region of Belorussia
The role of sucrose in stabilization of cut gerbera flower stalks
The role of sulfate in the calciuria of high protein diets in adult rats
The role of supplemental biotin in swine nutrition
The role of surface wax in susceptibility of plants to air pollutant injury
The role of swamp buffalo in small farm development and the need for breeding improvement in Southeast Asia
The role of symbionts of Trichinella in the pathogenesis of trichinelliasis
The role of symbiotic nitrogen fixation in food legume production
The role of synthetic oestrogens in experimental Schistosoma mansoni infections in hamster; cis and trans isomers of clomiphene
The role of systems analysis in desert management: the example of SAMDENE
The role of technical education and vocational training in developing countries
The role of temperate zone forests in the global carbon cycle
The role of temperature and other factors in predicting the pattern of bovine Ostertagia spp. infective larvae on pasture
The role of temperature and photoperiod in the regulation of the development and diapause of the meadow moth (Loxostege sticticalis)
The role of temperature in the germination of crop plant seeds under reduced water potential
The role of termites in a desert ecosystem
The role of termites in an equatorial rain forest ecosystem of West Malaysia. II. Leaf litter consumption on the forest floor
The role of terraces and soil amendments in revegetating steep, smelter-affected land
The role of terrestrial molluscs in eliminating larvae of Strongylata
The role of terrestrial molluscs in the epizootiology of helminthiases in domestic and commercially valuable animals
The role of the African woman in traditional cultivation - illustrated by the example of the Dan, Ivory Coast
The role of the CASLE professions in rural development programmes in the South Pacific: report of the proceedings of a CASLE Pacific regional seminar held in Papua New Guinea on 1-4 September 1980
The role of the Danish Forestry Society in forest politics
The role of the Douglas-fir beetle in accelerating sapwood decay
The role of the Education and Culture Group at the International Institute of Rural Reconstruction
The role of the I-region in the control of macrophage-T cell and T cell-B cell interactions
The role of the IBPGR in organizing conservation networks of vegetative and seed material
The role of the Kupffer cell in the infection of rodents by sporozoites of Plasmodium: uptake of sporozoites by perfused liver and the establishment of infection in vivo
The role of the London estate agent in land marketing. The role of the rural surveyor
The role of the Malaysian rubber and rubber-based industries in the 1980's
The role of the Milk Marketing Board in marketing
The role of the Qinghai-Xizang Plateau in feedback mechanisms affecting the planetary circulation
The role of the Tori stud in the selection of Tori horses
The role of the United Nations in water resources development
The role of the World Health Organization in the development of new antimalarials
The role of the accessory reproductive glands and genital ducts in egg pod formation in female Schistocerca gregaria
The role of the administrative centre in implementing legal measures in the management of unified agricultural co-operatives (UACs)
The role of the agricultural landlord - planning for change in the 1980's
The role of the agricultural tractor in road haulage in Sri Lanka
The role of the alkaline phosphatase test in investigating milk and milk products
The role of the antennae in the availability of tsetse flies (Diptera : Glossinidae) to population sampling techniques
The role of the antennae in the maintenance of flight in the cockroach Periplaneta americana
The role of the anterior pituitary gland in progestagen-induced proliferative mammary gland changes in the beagle
The role of the basidiospore of Rigidoporus lignosus in the spread of white root disease of Hevea
The role of the clearing banks' agricultural staff
The role of the community health worker in primary health care
The role of the cytoskeleton in the motility of coccidian sporozoites
The role of the earthworm Eisenia foetida in the biology of Syngamus skrjabinomorpha Ryjikov, 1948
The role of the elevated heat source of the Tibetan Highlands for the large-scale atmospheric circulation (with some remarks on paleoclimatic changes)
The role of the endomembrane system in the response of cereal aleurone tissue to gibberellin
The role of the endoplasmic reticulum in the mobilization of reserve macromolecules during seedling growth
The role of the enterohepatic cycle in folate supply to tumour in rats
The role of the epidermis in virus-induced local lesions on cowpea and tobacco leaves
The role of the extension officer in the synthesis of the farmers' technical knowledge and institutional research
The role of the family in development
The role of the farm credit system in financing agriculture
The role of the forest in Swedish land use - a development study. Part A. Introduction
The role of the forest in Swedish land use - a development study. Part B. Forest management in the agrarian society
The role of the forest in Swedish land use - a development study. Part C. Forest management in the industrialized society
The role of the forest service in ski resort development: a proposal for more efficient national forest management
The role of the genotype in the mineral nutrition of inbred maize lines
The role of the genotype in the mineral nutrition of inbred maize lines. 1. Dry matter weight and the content and accumulation of nitrogen
The role of the genotype in the mineral nutrition of inbred maize lines. 2. The content and accumulation of phosphorus
The role of the genotype in the mineral nutrition of inbred maize lines. 3. The content and accumulation of potassium
The role of the genotype in the mineral nutrition of inbred maize lines. 4. The content and accumulation of magnesium
The role of the genotype of the mother plant in the inheritance of alpha -amylase activity in rye
The role of the growth of the root system in the uptake of various forms of potassium from the soil
The role of the honey-bee in the pollination of some cultivars of sweet cherry
The role of the house mouse in disease and zoonoses
The role of the hydric state of the porous system on weathering. Nature of weathering in low water content systems
The role of the industry in dairying
The role of the intensity and duration of Schistosoma mansoni infection in the production of Schistosoma nephropathy
The role of the intestinal proteinases of army worm Leucania separata Walker in the pathogenicity of the crystals of Bacillus thuringiensis var. kenyae 7404
The role of the intestinal wall in the mechanism of passive, acquired immunity to Ascaris. I. Study of the number of A. suum larvae, retained in the wall of the caecum and in the liver in animals immunized with specific antiserum
The role of the kinin system and cryofibrinogenic complexes in the pathogenesis of protozoan diseases of animals. (Review)
The role of the liver in immunity to blood-stage murine malaria
The role of the living components of pond biocoenoses in the eradication of Sanguinicola
The role of the major histocompatibility complex in immunobiology
The role of the mammary gland in late pregnancy and parturition in the goat
The role of the marital deduction in planning intergenerational transfers
The role of the meat and milk processing industry within the programme for further development of the non-black-earth region of the RSFSR
The role of the mineralogical heterogeneity of the medium on modes of weathering
The role of the mouldboard plough?
The role of the museum and art gallery in community education
The role of the nutrition officer in disasters
The role of the nutritional team in the management of the child with cancer
The role of the party in establishing democracy on co-operative farms
The role of the plough in today's agriculture
The role of the postal questionnaire in a survey of agricultural development problems in the Volksrust extension district
The role of the potato in the world's tropical regions
The role of the preadult stages in the ecological separation of two subspecies of Aedes aegypti
The role of the principal host in the spread of Toxoplasma infection
The role of the proton pump in the functional activity of plant cells
The role of the public in landscape decisions: a case study in the Peak District National Park
The role of the racoon dog in the epizootiology of rabies
The role of the recreation department within the total spectrum of youth activities
The role of the regional water authorities
The role of the salivary glands in feeding in Rhodnius prolixus
The role of the shoot apex in geotropism
The role of the sink in carbon allocation
The role of the soil as a potential reservoir for infective larvae of Ostertagia ostertagi
The role of the state in economic development of collective farms
The role of the states in tourism
The role of the sterile insect technique in integrated pest management
The role of the stomach and the small intestine on the development of Isospora (Toxoplasma) gondii in cats infected directly into the small intestine by laparotomy
The role of the termite Odontotermes gurdaspurensis (Isoptera: Termitidae) in plant decomposition in a tropical grassland
The role of the thymus in the eosinophil response of rats infected with Fasciola hepatica
The role of the university in applied technical assistance
The role of the upper gastrointestinal tract in hunger and satiety
The role of the voluntary sector: partnership and alliance. In: The Countryside Recreation Research Advisory Group Conference 1980, University of Lancaster 17-18 September. Proceedings: making the most of limited resources - practical lessons in countryside recreation
The role of the young in the control of the hormonal events during lactation and behavioral weaning in the golden hamster
The role of tissue culture in preserving threatened and endangered plant species
The role of titanium in plant life 2. Foliar nutrition of alfalfa with titanium solution
The role of total parenteral nutrition in the treatment of inflammatory bowel disease
The role of total parenteral nutrition in the treatment of ulcerative colitis
The role of tourism in Caribbean development, or buying time with tourism in the Caribbean
The role of tourist offices in tourist planning. The example of the Vendee
The role of traditional water management in modern paddy cultivation in Sri Lanka
The role of travel bureaux, and tourist organisers in the eighties
The role of tree clinics in urban forestry
The role of trees and shrubs in Sahelian grazing
The role of trees and shrubs in the grasslands of the Sahel
The role of trees and their integration in the agrarian systems of the north of Senegal
The role of trees in agriculture in the tropical semi-arid regions of West Africa
The role of trees in the Sahel. Proceedings of a conference held at Dakar (Senegal) on 5-10 November 1979
The role of trees in the Sahel. Proceedings of a conference held at Dakar (Senegal), 5-10 November 1979
The role of trees in the agrarian systems of the semiarid tropical regions of West Africa
The role of trematodes from the genus Proctoeces Odhner, 1911 in some littoral biocoenoses of the Black Sea
The role of ultraviolet light and plant variety in the residual activity of Dursban and Nuvacron on sprayed cotton plants
The role of unspecialized pollinators in the reproductive success of Aldabran plants
The role of urinary tract infection, anaemia and bilharzial antigenization on urinary egg output
The role of utilization studies in the planning of primary health care
The role of vaginal secretion in hamster sexual behavior: males' responses to normal and vaginectomized females and their odors
The role of values in social dynamics
The role of various growth regulators on growth and development of potato (Solanum tuberosum L.) II. Stolon development, tuber induction and yield
The role of various growth regulators on plant growth and development of potato (Solanum tuberosum L.). I. General growth responses of plant
The role of various species of aphid vectors in the spread of cucumber mosaic virus in a melon plot in south-eastern France
The role of vascular plants in the carbon exchanges of a salt marsh
The role of vegetation analysis in land classification
The role of village polytechnics in Kenyan rural development
The role of vitamin C in calcium uptake by fish
The role of vitamin C in the prophylaxis of common cold and hay fever
The role of volatile principles in nonpreference resistance to cowpea curculio in southernpea, Vigna unguiculata (L.) Walp
The role of water activity in honey crystallization
The role of water and fertilizers in yield formation of maize
The role of water distribution in plant tropisms
The role of water shoots in modifying light climate within the apple tree canopy and in nutrition of fruits
The role of weed species in the survival of Pseudomonas solanacearum in tomato cropping land
The role of wild and rare species in the evolution and breeding of wheat
The role of wild bees in the pollination of apple blossoms in an orchard in North Tyrol (Austria)
The role of wild plants in the ecology of nematode-borne viruses
The role of wild ruminants in the epidemiology of nematodiasis in Kenya
The role of women farming in Oyo State, Nigeria: a case study in two rural communities
The role of women in agricultural development projects
The role of women in agricultural production in India
The role of women in agriculture
The role of women in rural development
The role of women in the onchocerciasis programme area. The family as the basis of integrated socio-economic development. Socio-economic evaluation mission of the onchocerciasis programme
The role of women in village development: income earning and participation in Massaka, S.W. Cameroon
The role of women in village development: income earning and participation in Massaka, W. Cameroon
The role of wood in tree and forest ecology
The role of xylem sap flux in nitrate, potassium and calcium uptake by the root system of young maize plants
The role of zeranol in beef cattle management
The role or chemotherapy in the special program for control of schistosomiasis
The role played by Government Milk Schemes in the milk industry in Maharashtra state
The role played by Hyalomma dromedarii in the transmission of African horse sickness virus in Egypt
The role played by humic substances in regulating the mineral balance in plants
The role played by toxoplasmosis in the generation of lesions of the central nervous system in children
The roles of C-apolipoproteins in the metabolism of triglyceride-rich lipoproteins
The roles of agricultural economics
The roles of agriculture in economic development: the Korean experience and implications for Korean policy
The roles of fleas and ticks in the epidemiology of human diseases
The roles of lipid and protein in the protection of ram spermatozoa at 5 deg C by egg-yolk lipoprotein
The roles of the public and private sectors in financing tourism projects
The roller coaster: architectural symbol and sign
The romantic novel and its readers
The root and tuber improvement program at IITA
The root regenerating capacity of pear rootstocks after injury
The root study box. A device for the evaluation of root development
The root system development of rice plants in the worked- and sub-soils of an actual paddy field
The root system of Norway spruce on drained brown peaty podzolic clay-loam forest soils in the foothills of Ivano-Frankovsk province
The root system of Scots pine in relation to the water regime of sandy soils
The root system of fruit trees in relation to cultivation techniques
The root-knot nematode in Saudi Arabia
The root-knot nematode problems in Ghana: past, present and future
The root-knot nematode, Meloidogyne, in Jordan
The root-knot nematodes, Meloidogyne spp. in Jordan
The root-knot nematodes, Meloidogyne spp., in Korea
The rooting ability of shoots raised 'in vitro' from the apple rootstock A2 in juvenile and in adult growth phase
The rooting ability of winter stored and freshly planted cuttings of Leuce Duby (Aspen) hybrid clones
The rooting of Euphorbia fulgens (preliminary trials)
The rooting of olive cultivars in heated boxes. III
The rooting of olive cuttings, cv. Frangivento, taken from mother plants grown in different environments
The rooting patterns of soybeans and cotton throughout the growing season
The roots of hunger and the resolve to end it. A primer for World Food Day
The roots of the Mexican agricultural crises: water resources development policies (1920-1970)
The rose leaf-roller on black currant
The rose tortricid
The rose tortrix, an unpleasant surprise
The rostellar glands of Taenia crassiceps (Cestoda: Taeniidae) larvae
The routes of the formation of parasitism in insect nematodes
The royal bee of Ancient Egypt
The royal forests of medieval England
The royal roundworm: Ascaris lumbricoides
The rubber industry in Asia: transnational corporations and the distribution of gains
The rubber industry in Sri Lanka: bleak 80's outlook; bright 90's prospects
The rubber industry in the mid 1980s
The rubber market situation
The rubratoxins: causative agents in food/feedborne disease
The ruin of Zambia's rural areas
The rules of good milking should be known to all dairy farmers, but some simplification is possible
The rumen ciliates of greater kudu Tragelaphus strepsiceros (Pallas) from South Africa and Zimbabwe with a description of one new species
The ruminant immune system
The ruminant immune system. Proceedings of an international symposium, held July 7-10, 1980, in Plymouth, New Hampshire, USA
The rural areas, peasants and the peasant movement in school curricula and textbooks
The rural areas: revitalization - for what future?
The rural challenge. Contributed papers read at the 17th International Conference of Agricultural Economists
The rural collectivization process in Cuba
The rural development campaign: its literacy dimension
The rural development experience in Tanzania: the ujamaa villages
The rural energy crisis and its possible solution by means of producing briquettes of coke and charcoal
The rural environment
The rural exodus and regional development: the case of Nigeria
The rural exodus in Cameroon
The rural exodus: who is leaving and why
The rural habitat in the Congo: a reflection of the natural environment and cultural expression
The rural heritage
The rural labour force and types of farming: a methodological note
The rural market in West Java
The rural nonfarm sector and the development process in Kenya
The rural poor in Bangladesh: a new framework?
The rural poor: obstacles which prevent the development of agricultural technologies for their benefit. Paper opening the ICRISAT international workshop on Socio-economic constraints to the development of semi-arid tropical agriculture 19-23 February 1979 Hyderabad, India
The rural real estate market in North Carolina
The rural school
The rural sector
The rural sector in Latin America: economic structure and social change
The rural sector in Latin America: economic structure and social change. Comments
The rural sector in the development prospects and problems of a typical African country -- Nigeria
The rural sociology of the advanced societies: critical perspectives
The rural use of solar energy for water heating and crop drying
The rural-agricultural sector
The rust fungi
The rust situation on barley and wheat in Cyprus in 1981
The rust situation on wheat in Czechoslovakia in 1980
The rust situation on wheat in Switzerland in 1980
The rye Ukrainskaya Tetra
The rye genome in winter hexaploid triticales
The ryegrass-maize succession on the Lombardy Plain
The safest preparations for use in individual orchards and gardens
The safety and effectiveness of 3,6-dichloropicolinic acid for the control of Cirsium arvense in strawberries
The safety of injectable rafoxanide in cattle
The sago palm and its exploitation on Siberut Island, Indonesia
The sale and purchase of land in the Kikinda Commune region
The sale of development rights and zoning in the preservation of open space: Lindahl equilibrium and a case study
The sale of two cities
The saline lakes on the Qinghai-Xizang Plateau
The salivary and crop apyrase activity of Rhodnius prolixus
The salivary gland chromosomes of Anopheles (Cellia) dirus (Diptera: Culicidae) of the southeast Asian Leucosphyrus group
The salivary gland chromosomes of Anopheles sinensis
The salivary gland chromosomes of Culex (Culex) gelidus
The salivary gland of the cleg Haematopota pluvialis L. (Diptera, Tabanidae): sex differences in the protein patterns and the fine structure of the distal glandular portion
The salivary gland secretions of a neotropical bumblebee
The same spinach cultivars in autumn and winter
The sandgroper - a sometimes not-so-friendly Western Australian
The sanitary condition of rural drinking water in a Nile Delta village. I. Parasitological assessment of 'zir' stored and direct tap water
The sanitary position and methods of animal disease control used in Cyprus
The sanitary position and methods of control used in Egypt
The sanitary position and methods of control used in different countries
The sarcocystiasis situation in the Lithuanian SSR
The satisfaction of basic needs -- old demands, new strategies
The saurian malarias of Venezuela: Plasmodium species from iguanid and teiid hosts
The savannahs of the Sudanian region of Togo
The sawing pattern and the sorting of the roundwood when working large batches of logs
The scab resistance of a collection of wild apple species
The scale insects (Homoptera: Coccoidea) of deciduous fruit orchards in some European countries. (Survey of scale insect (Homoptera: Coccoidea) infestations in European orchards No. III.)
The scale-insect Parlatoria pergandei Comstock and its natural enemies in Israel
The scenario of fire blight and streptomycin resistance
The schistosomes
The schistosomiasis problem in Egypt
The schistosomiasis problem in the world: results of a WHO questionnaire survey
The school and the system of influencing the mental development of the rural child
The school as a force for community change in Tanzania
The school as a state oligarchy. The inability of the school system in the Third World to reform
The school education of girls: an international comparative study on school wastage among girls and boys at the first and second levels of education
The school in the multicultural society
The school lunch program: its past, its problems, its promise
The school of social life
The science of 2,4,5-T and associated phenoxy herbicides
The science of animal husbandry
The science of entomology
The science of food. An introduction to food science, nutrition and microbiology
The science program in small rural secondary schools
The scientific and theoretical aspects of the action of 2,4-D on plants
The scientific approach to settlement in the Negev Desert
The scientific basis of the guidelines for the treatment of spruce and pine stands damaged by wind or snow
The scientific results of the Oman flora and fauna survey 1977 (Dhofar)
The scolex precipitation reaction
The scolytids of the zone of Mora de Rubielos (Col. Curculionidae)
The scope for a new surge of agricultural development in the dryland or drought-prone areas of India
The scope for increased biological nitrogen fixation in British agriculture
The scope for increased trade between developing countries in vegetable oils and other oilseed products
The scope for increasing labor absorption in Pakistan agriculture
The scope of forestry research
The scope of silvi-pastoral management in arid regions
The scorpions of Sri Lanka (Investigations on the scorpions belonging to or deposited at the Museum d'Histoire Naturelle in Geneva III)
The scourge of Santa Catorina
The screening of 2,2-DPA, TCA, hexazinone and alachlor for selectivity to slash pine and Honduras Caribbean pine
The screening of Solanum species for horizontal resistance against late blight (Phytophthora infestans) and its use for breeding programmes
The screening of potato germplasm for yield potential and cold hardiness under Punjab conditions
The screening of the enzyme and isoenzyme patterns in seeds of Allium cepa L
The screening of weeds as alternative hosts of the spotted bollworm (Earias sp.) in Punjab
The scrutiny of phlebotomine sandflies (Diptera, Psychodidae) presence in natural biotopes in Dobrudja
The sea, cradle of life
The seal louse, Echinophthirius horridus: an intermediate host of the seal heartworm, Dipetalonema spirocauda (Nematoda)
The search for Leishmania in mice, jerboa, hedgehogs and porcupines
The search for Pyricularia resistance in upland rice growing areas of Nicaragua: a challenge
The search for an early maturing rockmelon
The search for an effective method of selection for seed yield and protein content in faba bean (Vicia faba)
The search for appropriate forest management
The search for chemical control of Oxalis latifolia Kunth at Namulonge Research Station
The search for condensed tannins in the genus Medicago
The search for trichinellae by means of the digestion method
The search for viruses in bovine semen, a review
The searching behaviour of two species of phytoseiid mites, Phytoseiulus persimilis Athias-Henriot and Amblyseius degenerans (Berlese), in relation to the density and distribution of prey in an homogeneous area (Acarina: Phytoseiidae)
The seasonability of reproduction of sows at a large intensive pig farm (ZZD Kolbacz)
The seasonal activity of Rhipicephalus appendiculatus Neumann 1901 (Acarina: Ixodidae) in the highveld of Zimbabwe (Rhodesia)
The seasonal and diurnal dynamics of the feeding of the white bream, Blicca bjoerkna, from Mozhaysk reservoir
The seasonal and spatial distribution of adult and larval Chrysopids on olive-trees in Crete
The seasonal and spatial distribution pattern and feeding ecology of the dominant epigeic spiders of winter wheat fields (pitfall trap analyses and field observations)
The seasonal appearance of Aedes albopictus in Okinawajima, the Ryukyu Archipelago, Japan
The seasonal breeding pattern of sows in seven confinement herds
The seasonal change in seed dormancy of main upland weeds
The seasonal changes of major nutrients and rooting potentials of rhododendron species
The seasonal changes of noise in Inokashira Park
The seasonal changes of noise in Koganei Park
The seasonal contribution of C3 and C4 plant species to primary production in a mixed prairie
The seasonal course of respiration and photosynthesis in strobili of Scots pine
The seasonal cycle and nests of Epicharis zonata, a bee whose cells are below the wet-season water table (Hymenoptera, Anthophoridae)
The seasonal cycle in egg prices
The seasonal distribution and species composition of mosquitoes (Diptera: Culicidae) collected during a St. Louis encephalitis surveillance program from 1976 to 1978 in southwestern Ontario
The seasonal distribution of Echinorhynchus salmonis (Acanthocephala: Echinorhynchidae) among rainbow smelt, Osmerus mordax Mitchell, in Lake Michigan
The seasonal dynamics and biology of Ixodes trianguliceps Birula, 1895 (Ixodoidea, Ixodidae) in northern Germany
The seasonal dynamics of the invasion cycle of Dactylogyrus extensus Mueller et van Cleave, 1932 (Monogenea)
The seasonal financing of rural marketing boards and co-operatives by the rural credits department
The seasonal growth of Scots pine, and its alteration under the influence of mineral fertilizers
The seasonal incidence of coccidia infections in trade cattle, sheep, and goats in Nigeria
The seasonal incidence of the major nematode genera recovered from sheep, cattle, impala and blesbok in the Transvaal
The seasonal occurrence of the Musca domestica parasitoid Muscidifurax raptor (Hymenoptera: Pteromalidae) in a pig rearing installation
The seasonal reproductive, fat body, and adrenal cycles of male six-lined racerunners (Cnemidophorus sexlineatus) in central Oklahoma
The seasonal response of grassland to nitrogen at different intensities of nitrogen fertilization, with special reference to methods of response measurements
The seasonal shifting of 'arid land boundaries' in Africa
The seasonal variation in a population of house dust mites in a North American city
The seasonal variation of allergic respiratory symptoms induced by house dust mites
The seasonal variation of the phenolic dilactone leucodrin in Leucadendron argenteum R. Br
The seasonal variations of helminth parasites of fresh water snake in the Hyderabad District
The second ACP-EEC convention signed at Lome on 31 October 1979 and related documents
The second Korea-Japan joint symposium on mycology
The second Southeast Asia symposium on plant diseases in the tropics - program and abstracts
The second case of Diplogonoporus grandis infection discovered in Kanagawa Prefecture and the anthelmintic effect of paromomycine sulphate
The second conference on the ecological morphology of plants (in commemoration of the 65th birthday anniversary of I.G. Serebryakov)
The second crop in southern Italy
The second enlargement of the EC and its repercussions in Italian agriculture
The second enlargement of the EEC and the trade interests of the developing countries
The second enlargement of the EEC. The integration of unequal partners
The secondary metabolites of clover. VII. Isoflavones of red clover roots
The secondary wall formation of compression wood tracheids. III. Cell organelles in relation to cell wall thickening and lignification
The secret of the immunopathogenesis of schistosomiasis: in vivo models
The secretion of anti-diuretic hormone during a rise of body temperature in the pig (Sus scrofa)
The secretory component of the interdigestive migrating motor complex in man
The secular growth trend on Aruba between 1954 and 1974
The secular trends in the menarcheal age and the maximum growth age in height for Japanese schoolgirls
The seed borne nature of Alternaria macrospora Zimm. in cotton
The seed coat as a control of imbibitional chilling injury
The seed coats of cowpeas and other grain legumes: structure in relation to function
The seed germination of pigweed of Crimean origin
The seed globulins of Lupinus albus
The seed of Boschniakia hookeri (Orobanchaceae)
The seed oil option
The seed proteins in gene-ecological investigations
The seed proteins of cowpea (Vigna unguiculata L. Walp.)
The seed transmission downy mildew of onion
The seed-treatment of cereals
The seeding of Haloxylon aphyllum in south Kazakhstan
The seedling test as a method of forecasting the infection of head smut in sorghum with notes on the process of systemic infection
The seeds of tropical forage species in Brazil
The segregation mode of plant height in the cross of rice varieties. VI. Linkage analysis of the semi-dwarfness of the rice variety Tongil
The segregation of kinetoplast DNA networks in Trypanosoma brucei
The selected aquatic fauna of a rice field ecosystem with notes on their abundance, seasonal distributions and trophic relationships
The selection and performance of sealants
The selection and regeneration of ethionine resistant alfalfa cell lines and the genetic control of regeneration from alfalfa callus cultures
The selection in vitro of antibiotics with activity against intracellular S. aureus
The selection of Aotea apple rootstocks for resistance to woolly aphis and to root canker, a decline and replant disease caused by basidiomycete fungi
The selection of a new male-sterile type L2 in maize
The selection of a new wilt-resistant and high-yielding cotton variety 86-1
The selection of abscisic acid action variants in tobacco tissue cultures
The selection of cultured plant cell lines producing high levels of biotin
The selection of date palm (Phoenix dactylifera) for resistance to bayoud disease
The selection of highly viable adult-males of the silkworm according to susceptibility to bombykol
The selection of hybrids derived from Hibrido de Timor in the breeding of improved coffee varieties for Colombia
The selection of local jujube cultivars
The selection of operators of forest harvesting machines in the Forestry Commission
The selection of optimal patterns for cross-cutting the merchantable tree
The selection of pasture species
The selection of pollen-sterile analogues in rye
The selection of spring fodder plants for cultivation under the ecological conditions of the Kaszuby Highland
The selection of the method for the simultaneous determination of aflatoxin B1 and aflatoxin M1 in the liver of fattened animals
The selection of tubers in relation to density for the production of seed tubers of potatoes
The selection system in montane forests
The selective accumulation of vitellogenin in the locust oocyte
The selective activity of a benzoxazole brightener against phytopathogenic bacteria
The selective advantage of sex-ratio homeostasis
The selective control of Poa trivialis by dalapon in perennial ryegrass crops grown for seed
The selective effect of the pollinator on the viability of female gametes produced by semisterile F1 and BC1 hybrids of wheat and rye
The selectivity of pre-em. herbicides in seedbeds of forest species in forest nurseries in eastern France
The selectivity of several pesticides to the principal parasites used in the biological control in glasshouses
The selectivity of some herbicides against Cyperus rotundus in cotton
The self evident is no longer self evident
The self image of biological farmers. An empirical sociological investigation of their motivation, way of thinking and attitude to their job
The self-association of melittin and its binding to lipids. An intrinsic fluorescence polarization study
The self-image of adolescents with acute anorexia nervosa
The semi-dry method of making fibreboards
The seminiferous epithelium of the West African Dwarf goat
The senescence of leaves
The sensitivity of Anopheles maculipennis Mg. to DDT and hexachlorocyclohexane in districts of the Kirovabad-Kazakh zone of the Azerbaidzhan SSR
The sensitivity of Australian animals to 1080 poison. I. Intraspecific variation and factors affecting acute toxicity. II. Marsupial and eutherian carnivores
The sensitivity of Belgian milk production to prices