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
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