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目前,农户大多仍采取药剂防治蔬菜病虫害,且在使用农药时会出现防效不理想、发生药害等问题。因此,农民朋友既要了解农药基本性质,还要掌握一些用药技巧,才能做到科学合理地使用农药,从根本上发挥农药的最大效能,并减少农药对农作物、环境及生态的影响。
At present, most farmers still take pesticides to control pests and diseases of vegetables, and when using pesticides, there will be problems such as poor prevention and control and phytotoxicity. Therefore, it is necessary for farmers and peasants to understand the basic nature of pesticides and to master some techniques for using them in order to use pesticides scientifically and reasonably, to maximize the effectiveness of pesticides and to reduce the impact of pesticides on crops, environment and ecology.