Question

What is CPM(crop protection management)

Answer 1

Field crops are affected by a large number of weeds, pests disease the crops and reduce their productivity. If these are not controlled at appropriate time they can damage the crops to the extent of 50 to70 percent. There are various method by which insects and diseases can be controlled. Some preventive measures are                                1.use of resistant varities of crop plants          2.clean cultivation 3.summer ploughing