Potential controls for alfalfa weevil in Pennsylvania, insecticides petroleum di
Hower, A.A.
Potential controls for alfalfa weevil in Pennsylvania, insecticides petroleum di - Pennsylvania 1975 - 20 p. - No. 351; Pennsylvania Universi .
Potential controls for alfalfa weevil in Pennsylvania, insecticides petroleum di - Pennsylvania 1975 - 20 p. - No. 351; Pennsylvania Universi .