G.W. Cooke Fertilizing for maximum yield - London Crosby Lockwood and Sun Ltd 1972 - 296p G.W. Cooke: Fertilizing for maximum yield. London. Crosby Lockwood and Sun Ltd, 1972. 0-258-96840-3--(631.8COO) ENGLISH ISBN: 0-258-96840-3 Dewey Class. No.: 631.8 / COO