Agricultural chemistry
Frear, D.E.H.
Agricultural chemistry A reference text by D.E.H. Frear - New York 1950 - 812 p.
Vol. 1 : Principles of agricultural chemistry
Agricultural Chemistry
547:630.24 / F 849 A
Agricultural chemistry A reference text by D.E.H. Frear - New York 1950 - 812 p.
Vol. 1 : Principles of agricultural chemistry
Agricultural Chemistry
547:630.24 / F 849 A