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近些年来我国蔬菜种植发展迅速,大流通、大市场基本形成,蔬菜品种越来越丰富,极大地满足了人们日益增长的消费需要。但随着蔬菜发展,病虫种类增加,防治难度越来越大。因不合理使用农药,导致蔬菜上农药残留超标,中毒事件时有发生。怎样才能真正做到科学用药呢?首先需要了解农药和所要防治病虫、草、鼠害的一些基本知识,至少不要犯方向性错误。应用时重点需注意以下几点。
In recent years, the rapid development of vegetable cultivation in our country has led to the circulation of large commodities and the formation of a large market. The growing variety of vegetables has greatly satisfied people’s growing needs for consumption. However, with the development of vegetables, pests and diseases increased, prevention and treatment more and more difficult. Due to unreasonable use of pesticides, resulting in excessive pesticide residues on vegetables, poisoning occurs from time to time. First of all, we need to understand some basic knowledge of pesticides and pest, grass and rodent pest control, at least do not make directional mistakes. Application focus should pay attention to the following points.