Treatment and observation of crop pests on the Pusa farm
Lefroy, H.M., Misra, C.S.
Treatment and observation of crop pests on the Pusa farm - Calcutta 1908 - 1-42 p. - Crop, Farm, Pests Pusa Agricultural Reasearch Institute. 1908 .
Treatment and observation of crop pests on the Pusa farm - Calcutta 1908 - 1-42 p. - Crop, Farm, Pests Pusa Agricultural Reasearch Institute. 1908 .