Cooke, G. W. 1916- The control of soil fertility / G. W. Cooke. - London : Lockwood, 1967. - xvii, 526 p. - Agricultural and horticultural series . Nat. Bib. No.: B67-2507 Subjects--Topical Terms: Soil fertility.Fertilizers.Plants--Nutrition. LC Class. No.: S633 / .C738 Dewey Class. No.: 631.8