How will it help the environment if suggestions given by P.A.U. on the use of agricultural chemicals for the protection of crops are used?

How will it help the environment if suggestions given by P.A.U. on the

1.	How will it help the environment if suggestions given by P.A.U. on the use of agricultural chemicals for the protection of crops are used?
Answer» Green revolution has increased the production many folds. Farmers started using agricultural chemicals unnecessarily in large amounts. This increased poison in the air, crops, water and soil, many of the friendly pests and birds started dying. P.A.U. Ludhiana has recommended or suggested the use of integrated pest management technique. This does not have bad effect on environment and also does not affect the yield. This technique is used to protect the crop when the harmful pests has increased to such an extent that these can affect the crop badly. This technique has helped in reducing the use of chemicals by 30 to 40%. This helped further in reducing environmental pollution and also do not have bad effect on human health.