Agricultural chemicals
Thomson, W.T.
Agricultural chemicals 1979-80 (Revision) by W.T. Thomson - Fresno Thomson Publication 1980 - 176 p.
Book 4 : Fungicides
Agricultural Chemicals
Fungicide
632.952 / T 478 A
Agricultural chemicals 1979-80 (Revision) by W.T. Thomson - Fresno Thomson Publication 1980 - 176 p.
Book 4 : Fungicides
Agricultural Chemicals
Fungicide
632.952 / T 478 A