论文部分内容阅读
水稻病虫害防治,除选育多抗品种和施药控制以外,合理施肥、改善稻田生态环境,亦是病虫综合防治的重要环节。作者对稻田增施硅肥控制病虫害进行了试验,通过田间系统调查和定点观察,初步探明硅肥对病虫的抑制作用及增产效果。1 硅肥对褐稻虱的控制 不施硅肥的对照区田间褐稻虱出现3次若虫孵化高峰,而施用硅肥只出现2次若虫
Prevention and control of pests and diseases of rice, in addition to breeding multiple resistant varieties and pesticide application control, rational fertilization and improve the ecological environment of rice paddy is also an important part of integrated pest control. The authors tested the application of silicon fertilizers to paddy fields to control pests and diseases. Through field investigation and observation of fixed-point observations, the authors initially studied the inhibitory effect of silicon fertilizers on pests and diseases and their effects on yield increase. Control of Silicosis Fertilizer on Brown Planthopper Three non-silicon fertilization in the control area of brown planthopper occurred in the field of brown planthopper nymphs hatching peak, and the application of silicon fertilizer only appeared 2 nymphs