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使用农药是消灭病虫害的一项不可缺少的有效方法,是保障农作物增产丰收的重要措施。合理使用农药就是要求对病虫、杂草的防治效果好,对人、畜和有益生物较安全,而又经济合算,增产增收。怎样才能做到合理使用农药呢?首先必须明确五个问题: (一)农药的性能。主要包括农药的物化性状,毒杀方式,防治对象,品种剂型,对人、畜、生物和农作物的毒性以及使用技术等。只有掌握深透,才能运用自如,做到经济、安全、高效。
The use of pesticides is an indispensable and effective method to eliminate pests and diseases and is an important measure to ensure the yield increase of crops. Rational use of pesticides is required to pest, weed control effect is good, people, livestock and beneficial organisms safer, but cost-effective, increase production and income. How can we make rational use of pesticides? First, we must clearly five questions: (a) the performance of pesticides. Including the physical and chemical properties of pesticides, poisoning methods, control objects, varieties of formulations, to humans, livestock, biological and crop toxicity and the use of technology. Only by thoroughly penetrating, can we use it freely, make it economically, safely and efficiently.