Journal of the Royal Agricultural Society of England, Volume 131

acreage acres Agricultural Research Council Animal Production arable average barley beef breeders British carcase cattle cent cereal clay concentration cost crops crossbred dairy cows diseases drain drainage dry matter East Malling effect efficiency energy ewes Experimental experiments farm farmers fertiliser field Friesian fruit fungicides genetic given grass grassland grazed gross margin growers grown growth harvesting herds Horticultural hydraulic conductivity Idem important improvement increased industry infected intake Journal of Agricultural labour lactation lambs land Landrace level of feeding Lincolnshire litter live weight lysine maize marketing needed nitrogen nutrients nutrition Oospora organisation parlour pathogens pigs plant breeding potatoes Poultry pregnancy problems progeny test protein requirements Rhizoctonia Rothamsted Rothamsted Experimental Station seed tubers sheep silage skin spot Society soil sows Station stocks straw studies sugar beet Table teat-cup tubers units N/acre urea varieties wheat