World crop protection
Hassall, K.A.
World crop protection by K.A. Hassall - London Iliffe Books 1969 - 249 p.
Vol. 2 : Pesticides
Crop Protection
Pesticides
632 / H 353 W
World crop protection by K.A. Hassall - London Iliffe Books 1969 - 249 p.
Vol. 2 : Pesticides
Crop Protection
Pesticides
632 / H 353 W