TY - BOOK ED - International conference on the agriculture and water quality (1974 : Suttonbonington) TI - Proceeding on the agriculture and water quality T2 - Technical bulletin; 32 U1 - J0aD855p1,N74, L6-;1 PY - 1976/// CY - London PB - Her Majestye Stationary Office KW - Agriculture ER -