Report on FAO/ECE Committee on agricultural problems symposium on research into agro-technical methods aiming at increasing the productivity of crops, co-efficients for the most efficient use of fertiliser nutrients and means for reducing the losses of nutrients to the environment under conditions of intensive agriculture, Geneva, Switzerland 16-21 January 1983
Swain, R. W.
Great Britain. Agricultural Development and Advisory Service.
[Alnwick] MAFF, ADAS
1983
Agriculture