Chemicals, humus, and the soil; a simple presentation of contemporary knowledge and opinions about fertilizers, manures, and soil fertility

Hopkins, Donald P.

Chemicals, humus, and the soil; a simple presentation of contemporary knowledge and opinions about fertilizers, manures, and soil fertility - London Faber & Faber 1956 - 22cm; 288


FERTILIZERS AND MANURES

FERTILIZERS AND MANURES

631.8 H81C

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