Shirlaw, Gilchrist D.W.
Soil fertility and field methods of analysis : a guide for agricultural students and advisers, gardeners and horticulturalists - London, Cassell 1962 - 29
Soil fertility
631.422 SHI
100
Soil fertility and field methods of analysis : a guide for agricultural students and advisers, gardeners and horticulturalists - London, Cassell 1962 - 29
Soil fertility
631.422 SHI
100