Biological methods in crop pest control
Ordish, George
Biological methods in crop pest control by George Ordish - London Constable & Co. 1967 - 242 p.
Biological Methods
Crop Pests Control
632.96 / O 65 B
Biological methods in crop pest control by George Ordish - London Constable & Co. 1967 - 242 p.
Biological Methods
Crop Pests Control
632.96 / O 65 B