Treatment and observation of crop pests on the pusa farm
Maxwell-Lefroy, H.
Treatment and observation of crop pests on the pusa farm - Calcutta 1908 - 1-42 p. - Treatment, Observation, Crop, Farm Pusa Agricultural Research Institute. Bulletin No. 10 .
Treatment and observation of crop pests on the pusa farm - Calcutta 1908 - 1-42 p. - Treatment, Observation, Crop, Farm Pusa Agricultural Research Institute. Bulletin No. 10 .