yicaoanshiyaqianturangchuli，zaizuowubozhongqianhouchumiaoqianjinxingturangbiaomianpenwuchuli。hebenkezacaoyouyouyaxishou
，kuoyezacaoyougenheyouyaxishou
，xijintineideyaojinengganyouhesuandaixiehedanbaizhihecheng。shiyouya
，yougentingzhishengchang，zuizhongsiwang。zaiturangzhongchixiaoqikeda2個月左右。　　

　　乙(yi)草(cao)胺(an)用(yong)量(liang)與(yu)土(tu)壤(rang)濕(shi)度(du)

，有(you)機(ji)質(zhi)含(han)量(liang)有(you)關(guan)。應(ying)根(gen)據(ju)不(bu)同(tong)季(ji)節(jie)
，不(bu)同(tong)作(zuo)物(wu)和(he)草(cao)情(qing)確(que)定(ding)用(yong)藥(yao)量(liang)。有(you)機(ji)質(zhi)含(han)量(liang)低(di)的(de)沙(sha)土(tu)，應(ying)菜(cai)用(yong)低(di)劑(ji)量(liang)。高(gao)溫(wen)下(xia)用(yong)藥(yao)或(huo)施(shi)藥(yao)後(hou)遇(yu)雨(yu)
，種(zhong)子(zi)接(jie)觸(chu)藥(yao)劑(ji)量(liang)產(chan)生(sheng)藥(yao)害(hai)。出(chu)苗(miao)後(hou)葉(ye)片(pian)皺(zhou)縮(suo)，發(fa)黃(huang)。　　

　 雜草受害後，幼根和幼芽受到抑製，葉片不能從芽鞘抽出或抽出的葉片畸形，變短變厚而死亡。