Control of the bean stem maggot by insecticidal dressings
Taylor, C.E.
Control of the bean stem maggot by insecticidal dressings - Salisbury 1959 - 0.666666667 - Rhodesia Department of Agriculture .
Control of the bean stem maggot by insecticidal dressings - Salisbury 1959 - 0.666666667 - Rhodesia Department of Agriculture .