Studies on the field activities of apis florea Fab. and Andrena ilerda Cam. with relation to some brassica crops

Brar, Harnek Singh

Studies on the field activities of apis florea Fab. and Andrena ilerda Cam. with relation to some brassica crops - PAU - Ludhiana PAU 1968 - 29cm. 54, xiL


INSECTS, INJURIOUS AND BENEFICIAL

INSECTS, INJURIOUS AND BENEFICIAL

T 632.7 B79S

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