農藥混合種類越多  治病殺蟲效果越好

bushaocainongrenwei，nongyaohunhezhongleiyueduo，zhibingshachongxiaoguoyuehao，yushisuiyijiangduozhongnongyaohunheshiyong
，jieguobudanqibudaohaodefangzhixiaoguo
，erqiehaizengjialeyongyaochengben
，huanjingwuranjiazhong

，shenzhichanshengyaohai，chanlianghepinzhixiajiang。 
 
　　有不少農藥不能混合使用，例如有機磷農藥、juzhileinongyaobunenghejianxingnongyaohunyong，yinweizheliangleinongyaodouchengsuanxing，yujianxingnongyaohunheshiyong，huijiangdiyaoxiao。youxienongyaoyutongzhijihunheshiyong，ruyoujixingnongyaoyushuirongxingnongyaohunheshiyong
，yifashengyaohai
，youqishiyixieyepianbodeshucaiyoumiaoyounenshengchangdianbuweifashengyaohaidekenengxinggengda。

混hun配pei農nong藥yao前qian要yao先xian了le解jie所suo選xuan藥yao劑ji能neng否fou混hun配pei，分fen清qing每mei種zhong農nong藥yao的de功gong能neng和he性xing能neng後hou再zai科ke學xue混hun配pei。提ti倡chang內nei吸xi劑ji與yu保bao護hu劑ji混hun配pei
，混hun配pei時shi農nong藥yao種zhong類lei一yi般ban不bu要yao超chao過guo3種。最好按照農業技術推廣部門指導的防治時間、用藥種類
、施藥方法防治病蟲害，以免降低藥效和產生藥害。