What is agricultural non-point source pollution? How to avoid it?

1. Pesticide reduction and harm control. Comprehensive application of agronomic measures, fitness cultivation, natural enemy insects, sex, sex, light, biological pesticides and high-efficiency and low-toxicity chemical pesticides such as agricultural control, biological control, physical control and chemical control measures.

2. Establish safe drug use system, scientific and safe drug use. ① When purchasing, read the label, select the appropriate agent according to the control object, prohibit the use of high toxicity and high residue pesticides, use high efficiency and low toxicity and low residue pesticides, and use pesticides in strict accordance with the instructions; When stored, keep away from food, seeds and feed to prevent deterioration of pesticides; (3) When mixing, use the secondary dilution method to prepare the liquid medicine, do not mix and increase the amount at will, use pesticides to do a good job of protection, away from livestock pens and water sources, spray in the early morning or evening is appropriate to avoid strong wind spraying; (4) Appropriate period, appropriate method, alternate scientific application of pesticides, strictly abide by the safety interval; After spraying, do not store pesticides in the sprayer, the sprayer should be cleaned in time, and the sprayer should be cleaned away from the drinking water source to ensure that the residual liquid does not leave the field; (6) Collect pesticide waste packaging and send it to its original sales store, and make records of purchase, use and disposal.

3. Scientific use of agricultural film. ① Scientific use of agricultural film according to product label requirements; ② Using biodegradable film; ③ Covered with non-membrane natural substances such as straw; After the agricultural film is used up, the waste agricultural film should be uniformly handed over to the centralized recycling point in the township in a timely manner, and can not be discarded, buried or even incinerated at will, and make a good record.

3. Resource utilization of livestock and poultry manure.