zhangwonongyaodezhengqueshiyongfangfa，bujinkeyijieyuenongyao，jiangdichengben，erqienengtigaoyaoxiao，jianshaoyaowucanliu，youxiaokongzhibingchongweihai，baozhenghuahuidezhengchangshengzhang。zhengqueshiyongnongyaodefangfazhuyaotixianzaiyixiajigefangmian：
1、害虫盛发期。防治害虫时，一般应在害虫3龄前的幼龄时期施药，这时能收到事半功倍的效果。
2、tiandiminganqi。zaihaichongdetiandiduiyaojifanyingbijiaomingandeshiqinei，yingjinliangshaoyongyaohuobuyongyao，yibaohutiandi。
3、ganbingshengyuqi。duiyuzuowulaishuo，yiganbingdeshengyuqishifangzhibinghaideshiyishiqi，rumiaoqizuiyiganranlikubing，zaibozhongqianyongshajunjibanzhonghuozaimiaoqipenwufangzhixiaoguohenhao。
4、zacaominganqi。shiyongchucaoji，yibanyingzhangwozaizacaominganqiyongyao。duiyuyizhongzifanzhidezacao，yibanshiyouyaqiduichucaojijiaoweimingan。yinci，zheiyishiqiwangwangzuoweifangchuzacaoshiqi。dangshiyongguangpumieshengxingchucaojishi，rucaoganlin、kewuzongdeng，zaizacaowangshengshengzhangqijiaoweimingan。ruguofangchuchuncao、xiacaoshi，zaizacaoshengfaqipenshizuihao。
5、haishuduanshiqi。congyouxiaokongzhihaishumidulaishuo，duerdetoufangyizhangwozaishuleiduanshijieduanhedaliangfanzhiqianzuihao。duonianshiyanzhengming，chunjimieshudexiaoguozuihao，zheishiyouyuhaishudedongzhushiliaohaojin，duiduerdesheshixiangyingjiaoduo。
6、zhiwuanquanqi。yaojiduizhiwudeanquanxingshiquedingshiyaoshiqideyigexianjuetiaojian。rumouxiehuahuizaimiaoqishiyao，yishiyouyehuanghuakusi；mouxiehuahuizaihuaqishiyao，jiyizaochenghuaduoweixie。suoyi，zaishiyongnongyaoshi，yaoxuanzezhiwuduiyaojiyoujiaoqiangkangyaoxingdeshiqipenshi，yimianyinqizhiwuyaohai。
7、anquanjiangeqi。nongyaodeshiyongshiqi，haiyinggenjunongyaoanquanshiyongbiaozhun，zhangwozaianquanjiangeqineishiyao，yimiannongyaocanliuchaobiao，zaochengbulianghouguo。
