Question

explain the factors for which improvement of crops

Answer 1

☺☺...... HEY HERE IAS THE ANS_ we can improve our crop production by using two common methods
1 Morden farming _using if Morden methods of farming like HYV using pesticides drip irrigation etc.
2 by multiple cropping _ by growing two or more than two crop at a time on same pice of land at the same time ....... that's all . ☺☺

Answer 2

Biotic and abiotic resistance: Biotic factors are the diseases, insects and nematodes while abiotic factors are the drought, salinity, water logging, heat, cold and frost which affect the crop productivity. Varieties resistant to these factors (stresses) can be improved to increase crop production.