Discuss the concept to IPM.

Explanation

IPM or integrated pest management is the practice of pest control through biological or natural methods and using the chemical pesticides to the minimum when it is essential. It consists of (i) Sanitation. Removal of crop residue and using it for manuring at a distance, (ii) Culture Practices. Use of pest resistant varieties, crop rotation, mixed cropping and intercropping. (iii) Biological Control. Allowing the natural predators, parasites and parasitoids of the pests to keep the population of the latter under check, e.g., bugs and beetles, (iv) Natural Pesticides. They are nonpollutant pesticides, e.g., azadirachtin, pyrethrin, thurioside, cinerin, etc.