草威防除水田杂草试验报告

Test Report of Controlling Weeds in Rice Field by Caowei

为探索10%草威对水田杂草的防除效果,在水稻插秧后10d进行了10%草威片剂直接抛施药效试验。结果表明,10%草威杀草谱广,对莎草科和阔叶杂草有特效,对稗草有极强的抑制使用。10%草威15g/667m2总防效比10%草克星提高6.8%,比10%一克净提高22.2%,比空白对照增产17.9%。

For researching the effect of preventing and curing weeds in rice field,took a effect test of10%Caowei casted directly10days after rice shooting.The result showed10%Caowei weeded widely,had specially good effect on sedge family and broadleaf weeds and cockspur grass,the total effect of10%Caowei15g /667m 2 was6.8%more than10%Caokexing,22.2%more than10%Yikejing,improved17.9%in output than blank.