注意用藥量 yongyaoliangdaxiaozhijieyingxiangdaochucaoxiaoguo。yibanyingcankaoyaojishiyongshuoming,danyaoliangyingyinhuanjingtiaojianeryi,tongyidiqushiyongtongyiyaojiyesuiwaijietiaojiandegaibianerbutong,yaoyinshiyindilinghuozhangwo。dangzacaogaoda,zaipeizhiwujianzhuangshi,yongyaoliangkedaxie;氣溫低時用藥量也應大些;沙壤土施藥要適當減量,以免發生藥害。
注意施用方法 handiyongchucaojiduizacaodechulifangshiyoujingyechuliheturangchuliliangzhong。jingyechulijibayaojipenzaijingyeshang,chushahuotongguoyemianshenrenzhiwutineichuandaoshasizacao,yibanchangyongpenwufa。turangchulirangyaojixianyuturangjiechu,zaishasizacao,kecaiyongpenwufa、澆潑法、毒土法。
注意施用環境與安全 選擇在晴天施藥,施藥後12小時內應無大雨。氣溫低、turangshiduguodahuoguoxiaoshi,xiaoguojiaocha。zuihaozaiwufengshijinxing。fenglijiaoxiaoshipenwufangxiangyingshunfenghuoyufengxiangchengxiejiao,beifengpenyaoshiyaotuibuyidong,yanjinbayaopenzaifujinzuowushang,yifangchanshengyaohai。
注意合理選用和交替用藥 除草通、氟樂靈、拉索、乙草胺以殺禾本科雜草為主;果爾、旱草靈隻能除芽前或苗後早期雜草,無法控製大齡雜草;茅草枯主要防除窄葉雜草,西馬津對一年生淺根雜草有良好的效果,因此應交替使用不同類型的除草劑。
注意合理混用 muqianshichangshangchushoudegezhongchucaojidadoushidanyide,meizhongchucaojideshacaofanweishiyouxiande,yinciliangzhongyishangchucaojihunshijiuhenyoubiyao。hunshishibixuzhangwoyixiayuanze:殺除不同對象的除草劑結合;速效與慢效的除草劑結合;內吸傳導型與觸殺型結合:殘效期長的與短的結合;在土壤中擴散性大的與擴散性小的結合。
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