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The Lawes Agricultural Trust
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acid AFRC Agricultural aldicarb analysis aphids Applied Biology April assessment autumn B.Sc barley beans Borner brassicae British Sugar Broom's Barn cereal chemical concentrations Crop Protection cultivars cypermethrin cyst nematodes decreased Department disease dry matter effect enzyme Experimental fabae Farm fertilizer Field Experiments fungi fungicide genes genetic Genstat grain yield growth increased infection inoculated insecticides Journal June kg ha-1 laboratory measured Moth mutants nitrate nitrogen oats oilseed rape oo oo oo oxamyl peat pesticide pests Ph.D pheromone photosynthesis Plant Nutrition Plant Pathology plots populations potato potato cyst nematodes protein pyrethroids Report for 1983 Research resistance Rhopalosiphum root Rothamsted Experimental Station Rothamsted Report samples Science Scientific Officers seed seedlings Soil Survey sowing sown species sprays spring staff statistical straw studies sugar beet take-all temperature tested treatments tubers uptake virus winter wheat Woburn yellows