Atwal, A S Balraj, Singh
Pest population and assessment of crop losses - New Delhi, Indian Council of Agricultural Research 1990 - 131
Pest Population- Crop losses/ Crop losses- Methods of estimation
632.9 ATW
100
Pest population and assessment of crop losses - New Delhi, Indian Council of Agricultural Research 1990 - 131
Pest Population- Crop losses/ Crop losses- Methods of estimation
632.9 ATW
100