Agricultural chemicals
Thomson, W.T.
Agricultural chemicals by W.T. Thomson - Fresno Thomson Publications 1970 - 278 p.
Book 1 : Insecticides, acaracides and ovicides
Agricultural Chemicals
Insecticides
Acaracides
Ovicides
632.95 / T 486 A
Agricultural chemicals by W.T. Thomson - Fresno Thomson Publications 1970 - 278 p.
Book 1 : Insecticides, acaracides and ovicides
Agricultural Chemicals
Insecticides
Acaracides
Ovicides
632.95 / T 486 A