农药是用来保护农作物及其产品,使之免受或少受病虫危害的农业投入品,在保证农作物高产方面具有重要作用。但是长期大量地使用农药也给人类带来许多负面影响,已成为环境和食品的重要污染源之一。农药中毒事件已是屡见不鲜,农药残留问题也越来越受到政府和公众的关注。因此如何? Pesticides are agricultural inputs used to protect crops and their products from pests and diseases, and play an important role in ensuring the high yield of crops. However, the long-term use of pesticides in large quantities has also brought many negative impacts to human beings and has become one of the important pollution sources for the environment and food. Pesticide poisoning is a common occurrence, and pesticide residues are also getting more and more attention from the government and the public. So how?