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无公害茶园在生产中,既要面临通过喷施农药控制病、虫害达到高产目的,又要考虑施用农药后的农药残留问题。农药残留是指茶叶中的微量农药原体及其有毒的代谢物、降解物的总称。农药残留是通过直接喷施农药对植物体或从土壤、水和空气等间接方式带入茶园而产生的。国家制定出了农药安全使用规定,规定在茶园中禁止使用高毒农药和高残留农药。一、无公害茶园安全合理使用
Pollution-free tea gardens in the production, it is necessary to control the disease by spraying pesticides, pests to achieve high yield purposes, but also consider pesticide residues after pesticide application. Pesticide residues refer to trace pesticides in tea and their toxic metabolites, degradation of the general term. Pesticide residues are produced by direct spraying of pesticides on plants or indirectly from the soil, water and air into the tea plantation. The state has formulated the regulations on the safe use of pesticides, which prohibits the use of highly toxic pesticides and high-residue pesticides in tea gardens. First, pollution-free tea garden safe and rational use