Suggest any three programs for prevention of soil pollution in view of voiding pesticides. (AS7)

i. Crop rotation should be encourage among farmers.

ii. ’Mixed Crops’ and ‘aakarshaka patralu’ are very useful in preventing pests in a natural way.

iii. Bacillus Turingenesis, Trichoderma bacterium can be used prevent attacks of pest.

iv. Use of genetically resistant strains of varieties instead using pesticides.