论文部分内容阅读
日常工作中发现,许多果农在进行果树病虫害防治时,用药不当,达不到理想的防治效果,产生了不应有的副作用。在此,提醒广大果农,果园用药要注意八点。 一、注意对症下药。各种农药的性能不同,防治对象也不同。每种农药都有它的一定特效范围,应针对不同的防治对象,选用合适的药剂进行防治,才能得到应有的防治效果。 二、注意适时用药。要掌握病虫防治的关键时期,在预测预报和调查研究的基础
In their daily work, many farmers found that improper use of medicines during the prevention and control of fruit tree pests and diseases could not achieve the desired effect of prevention and treatment and resulted in unwanted side effects. Here, to remind the majority of farmers, orchard medication should pay attention to eight. First, pay attention to the right medicine. Different performance of various pesticides, prevention and treatment of different objects. Each pesticide has its own specific range of effects, should be targeted at different targets, the choice of appropriate agents for prevention and treatment in order to get the proper control effect. Second, pay attention to timely medication. To grasp the key period of pest control in forecasting and investigation based on the research