【玉(yu)米(mi)除(chu)草劑】玉(yu)米(mi)除(chu)草劑哪種好 玉(yu)米(mi)除(chu)草劑選(xuan)擇和使用

玉米除草劑哪種好

由于玉米田里草的種類多種多樣，不同階段也會出現不同種類的草。因此，選擇玉米除草劑 需要根據雜草種類、生長階段選擇合適的玉米除草劑。

1、酰(xian)胺類除(chu)(chu)草劑(ji)(ji)：該類產品是目前玉米田最為重要的一(yi)類除(chu)(chu)草劑(ji)(ji)，可以被雜草芽(ya)吸收， 在雜草發芽(ya)前進行土壤封(feng)閉(bi)處理(li)，能有效防治一(yi)年(nian)生(sheng)禾(he)本科雜草和部分一(yi)年(nian)生(sheng)闊葉(xie)雜草。該 類除(chu)(chu)草劑(ji)(ji)品種(zhong)較多，如乙(yi)草胺、甲(jia)草胺、丁(ding)草胺、異丙(bing)甲(jia)草胺、異丙(bing)草胺等。

2、三(san)氮苯(ben)類除(chu)草(cao)劑：可(ke)以(yi)(yi)有(you)效防治一年生闊(kuo)葉(xie)雜(za)草(cao)和(he)一年生禾本科(ke)雜(za)草(cao)，以(yi)(yi)雜(za)草(cao)根系吸 收(shou)為(wei)主，也可(ke)以(yi)(yi)被雜(za)草(cao)莖葉(xie)少量(liang)(liang)吸收(shou)。代表品種有(you)莠(you)(you)去津(jin)、氰草(cao)津(jin)、西瑪津(jin)、撲草(cao)津(jin)等，其 中以(yi)(yi)莠(you)(you)去津(jin)使用(yong)較多，對(dui)玉米較為(wei)安全(quan)，活性最高(gao)；但莠(you)(you)去津(jin)宜與乙草(cao)胺等混用(yong)以(yi)(yi)降低用(yong)量(liang)(liang) ，提(ti)高(gao)除(chu)草(cao)效果(guo)和(he)對(dui)后茬作物的安全(quan)性。

3、苯氧羧酸類除草(cao)劑：主要用于(yu)玉(yu)米苗后(hou)防治闊葉雜(za)草(cao)和香附子。代(dai)表品(pin)種有2甲(jia)4氯鈉 鹽、2。4－D丁酯(zhi)。其(qi)中2甲(jia)4氯鈉鹽廣泛用于(yu)玉(yu)米田(tian)防治香附子，但使用時(shi)期不當易產生藥(yao)害 。

4、磺酰脲(niao)類除草(cao)(cao)(cao)劑：煙(yan)嘧磺隆、砜(feng)嘧磺隆可(ke)以(yi)用(yong)于玉米(mi)田防(fang)(fang)治禾本(ben)科(ke)雜(za)草(cao)(cao)(cao)、莎草(cao)(cao)(cao)科(ke)雜(za)草(cao)(cao)(cao) 和部(bu)分闊(kuo)葉(xie)雜(za)草(cao)(cao)(cao)；噻黃(huang)隆可(ke)以(yi)用(yong)于玉米(mi)田防(fang)(fang)治一年生闊(kuo)葉(xie)雜(za)草(cao)(cao)(cao)。

5、其(qi)它除(chu)草(cao)劑：百(bai)草(cao)枯和(he)草(cao)甘膦是滅生性除(chu)草(cao)劑，可以在(zai)玉(yu)(yu)米(mi)40厘米(mi)高以后進(jin)行定向(xiang)噴 霧，有(you)效防(fang)治(zhi)多種雜草(cao)；也(ye)可以用(yong)使(shi)它隆(long)、百(bai)草(cao)敵(di)、溴苯腈、苯達松等品種防(fang)治(zhi)玉(yu)(yu)米(mi)田闊葉(xie) 雜草(cao)。

玉米除草劑使用方法

1、土(tu)(tu)壤封(feng)閉除(chu)草技(ji)(ji)術。土(tu)(tu)壤封(feng)閉除(chu)草技(ji)(ji)術一直是(shi)(shi)(shi)玉(yu)(yu)(yu)米(mi)(mi)田除(chu)草中(zhong)采用(yong)(yong)(yong)(yong)(yong)的(de)主要(yao)(yao)方法(fa)，雜草出(chu)(chu)土(tu)(tu)前一次施藥(yao)(yao)(yao)(yao)即可有(you)效控制玉(yu)(yu)(yu)米(mi)(mi)整個(ge)生(sheng)(sheng)育期(qi)間(jian)的(de)雜草危(wei)害。使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)封(feng)閉除(chu)草技(ji)(ji)術要(yao)(yao)點(dian)(dian)如下： 要(yao)(yao)正(zheng)(zheng)確選(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)除(chu)草劑(ji)(ji)品種(zhong)(zhong)：選(xuan)(xuan)(xuan)擇具有(you)新型、安全、高效、低(di)毒、低(di)殘(can)留等特(te)點(dian)(dian)的(de)品種(zhong)(zhong)。 使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)時(shi)間(jian)：玉(yu)(yu)(yu)米(mi)(mi)播種(zhong)(zhong)后(hou)(hou)(hou)(hou)(hou)(hou)出(chu)(chu)苗(miao)(miao)前，或(huo)者(zhe)是(shi)(shi)(shi)在(zai)(zai)玉(yu)(yu)(yu)米(mi)(mi)出(chu)(chu)苗(miao)(miao)后(hou)(hou)(hou)(hou)(hou)(hou)早期(qi)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)。這一時(shi)期(qi)雜草正(zheng)(zheng)處于出(chu)(chu)苗(miao)(miao)期(qi)，易觸藥(yao)(yao)(yao)(yao)而死(si)亡，待雜草出(chu)(chu)苗(miao)(miao)后(hou)(hou)(hou)(hou)(hou)(hou)再噴(pen)(pen)(pen)(pen)藥(yao)(yao)(yao)(yao)效果就(jiu)會不(bu)太理想。 使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)劑(ji)(ji)量：常用(yong)(yong)(yong)(yong)(yong)藥(yao)(yao)(yao)(yao)量，按照說明書推(tui)薦劑(ji)(ji)量使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)。但機械收割麥(mai)茬較高的(de)地(di)塊，可適當增加用(yong)(yong)(yong)(yong)(yong)量。嚴禁點(dian)(dian)燃(ran)麥(mai)茬，以(yi)防燃(ran)燒后(hou)(hou)(hou)(hou)(hou)(hou)的(de)麥(mai)灰與除(chu)草劑(ji)(ji)發生(sheng)(sheng)反應(ying)，降低(di)藥(yao)(yao)(yao)(yao)效。 使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)方法(fa)：要(yao)(yao)求最好(hao)在(zai)(zai)澆水(shui)(shui)或(huo)降雨(yu)后(hou)(hou)(hou)(hou)(hou)(hou)田間(jian)濕度較大時(shi)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)，最好(hao)在(zai)(zai)玉(yu)(yu)(yu)米(mi)(mi)播種(zhong)(zhong)后(hou)(hou)(hou)(hou)(hou)(hou)立即灌水(shui)(shui)，灌水(shui)(shui)后(hou)(hou)(hou)(hou)(hou)(hou)2—3天即可噴(pen)(pen)(pen)(pen)藥(yao)(yao)(yao)(yao)。兌藥(yao)(yao)(yao)(yao)時(shi)要(yao)(yao)充分搖晃(huang)均勻，然后(hou)(hou)(hou)(hou)(hou)(hou)按使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)面積計算藥(yao)(yao)(yao)(yao)量，并準確量取。噴(pen)(pen)(pen)(pen)藥(yao)(yao)(yao)(yao)時(shi)為(wei)了(le)不(bu)破(po)壞藥(yao)(yao)(yao)(yao)膜(mo)，采取倒著走，邊(bian)噴(pen)(pen)(pen)(pen)邊(bian)退的(de)方式進行。 注意事項：一是(shi)(shi)(shi)最好(hao)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)噴(pen)(pen)(pen)(pen)霧器(qi)，兌水(shui)(shui)量要(yao)(yao)充足，噴(pen)(pen)(pen)(pen)霧要(yao)(yao)均勻，勿重噴(pen)(pen)(pen)(pen)或(huo)漏噴(pen)(pen)(pen)(pen)，避免(mian)(mian)大風天氣(qi)噴(pen)(pen)(pen)(pen)霧；二(er)是(shi)(shi)(shi)在(zai)(zai)玉(yu)(yu)(yu)米(mi)(mi)剛露頭時(shi)及(ji)玉(yu)(yu)(yu)米(mi)(mi)制種(zhong)(zhong)田、砂性土(tu)(tu)壤不(bu)宜(yi)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)，以(yi)免(mian)(mian)產生(sheng)(sheng)藥(yao)(yao)(yao)(yao)害；三(san)是(shi)(shi)(shi)噴(pen)(pen)(pen)(pen)藥(yao)(yao)(yao)(yao)后(hou)(hou)(hou)(hou)(hou)(hou)地(di)表形成一層(ceng)藥(yao)(yao)(yao)(yao)膜(mo)，不(bu)要(yao)(yao)中(zhong)耕而破(po)壞藥(yao)(yao)(yao)(yao)膜(mo)；四是(shi)(shi)(shi)噴(pen)(pen)(pen)(pen)藥(yao)(yao)(yao)(yao)以(yi)早上10點(dian)(dian)前或(huo)下午4點(dian)(dian)后(hou)(hou)(hou)(hou)(hou)(hou)為(wei)好(hao)，避免(mian)(mian)藥(yao)(yao)(yao)(yao)液揮(hui)發或(huo)破(po)壞藥(yao)(yao)(yao)(yao)膜(mo)；五(wu)是(shi)(shi)(shi)施藥(yao)(yao)(yao)(yao)后(hou)(hou)(hou)(hou)(hou)(hou)24小(xiao)時(shi)內如遇(yu)大雨(yu)，應(ying)及(ji)時(shi)補噴(pen)(pen)(pen)(pen)；六是(shi)(shi)(shi)對(dui)香(xiang)附(fu)子（即莎草）較多地(di)塊應(ying)在(zai)(zai)后(hou)(hou)(hou)(hou)(hou)(hou)期(qi)選(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)有(you)效藥(yao)(yao)(yao)(yao)劑(ji)(ji)定向噴(pen)(pen)(pen)(pen)霧防除(chu)；七是(shi)(shi)(shi)噴(pen)(pen)(pen)(pen)藥(yao)(yao)(yao)(yao)后(hou)(hou)(hou)(hou)(hou)(hou)及(ji)時(shi)用(yong)(yong)(yong)(yong)(yong)堿水(shui)(shui)清洗(xi)噴(pen)(pen)(pen)(pen)霧器(qi)械，免(mian)(mian)傷其它(ta)作物。

2、莖(jing)葉(xie)噴(pen)霧。阿寶(bao)(bao)桶混(hun)劑(ji)(ji)(ji)(ji)(ji)是莠(you)去(qu)津(jin)與寶(bao)(bao)成(cheng)組成(cheng)的玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)田(tian)現混(hun)現用(yong)的苗后(hou)一次性(xing)除(chu)(chu)(chu)草(cao)(cao)(cao)(cao)劑(ji)(ji)(ji)(ji)(ji)。可(ke)(ke)防除(chu)(chu)(chu)稗草(cao)(cao)(cao)(cao)、馬唐、牛筋草(cao)(cao)(cao)(cao)、狗尾(wei)草(cao)(cao)(cao)(cao)、野燕麥、野高粱、黎、莧(xian)、風花(hua)菜(cai)、鴨(ya)跖草(cao)(cao)(cao)(cao)、薺菜(cai)、馬齒莧(xian)、豬毛菜(cai)、狼(lang)把(ba)草(cao)(cao)(cao)(cao)、野西爪苗、豚草(cao)(cao)(cao)(cao)、苣賣菜(cai)、刺兒菜(cai)等多種(zhong)玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)田(tian)禾本科雜(za)(za)(za)草(cao)(cao)(cao)(cao)和(he)闊葉(xie)雜(za)(za)(za)草(cao)(cao)(cao)(cao)。持效(xiao)期(qi)(qi)(qi)(qi)適中，對(dui)當季作物及后(hou)茬作物安(an)全，在干旱條件(jian)下，也能達到(dao)很好的除(chu)(chu)(chu)草(cao)(cao)(cao)(cao)效(xiao)果。在玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)3~5葉(xie)期(qi)(qi)(qi)(qi)，雜(za)(za)(za)草(cao)(cao)(cao)(cao)出苗后(hou)3-5葉(xie)期(qi)(qi)(qi)(qi)施藥。華北夏(xia)玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)田(tian)每公(gong)(gong)頃(qing)(qing)用(yong)38%莠(you)去(qu)津(jin)1500毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)加(jia)25%寶(bao)(bao)成(cheng)60克(ke)，東北春玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)田(tian)每公(gong)(gong)頃(qing)(qing)用(yong)38%莠(you)去(qu)津(jin)2250毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)加(jia)25%寶(bao)(bao)成(cheng)75克(ke)，加(jia)水(shui)(shui)(shui)450升(sheng)(sheng)(sheng)(sheng)(sheng)，均(jun)勻噴(pen)霧。若加(jia)入噴(pen)液量0。1%-0。2%的非離子型(xing)表面活性(xing)劑(ji)(ji)(ji)(ji)(ji)或(huo)(huo)(huo)(huo)(huo)中性(xing)洗(xi)衣粉，可(ke)(ke)提高除(chu)(chu)(chu)草(cao)(cao)(cao)(cao)效(xiao)果。 玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)出苗后(hou)3-5葉(xie)期(qi)(qi)(qi)(qi)，單(dan)子葉(xie)雜(za)(za)(za)草(cao)(cao)(cao)(cao)l~2葉(xie)期(qi)(qi)(qi)(qi)，雙子葉(xie)雜(za)(za)(za)草(cao)(cao)(cao)(cao)2~4葉(xie)期(qi)(qi)(qi)(qi)、每公(gong)(gong)頃(qing)(qing)可(ke)(ke)用(yong)40%乙莠(you)水(shui)(shui)(shui)懸(xuan)(xuan)浮乳(ru)劑(ji)(ji)(ji)(ji)(ji)3000~3750毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)4%玉(yu)(yu)(yu)(yu)農樂(le)水(shui)(shui)(shui)劑(ji)(ji)(ji)(ji)(ji)1200-1500毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)50%都阿合劑(ji)(ji)(ji)(ji)(ji)3000毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)38%莠(you)去(qu)津(jin)膠懸(xuan)(xuan)劑(ji)(ji)(ji)(ji)(ji)2250毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)加(jia)48%拉索(suo)乳(ru)油(you)(you)(you)1800-2250毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)38%莠(you)去(qu)津(jin)膠懸(xuan)(xuan)劑(ji)(ji)(ji)(ji)(ji)2250毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)加(jia)33%除(chu)(chu)(chu)草(cao)(cao)(cao)(cao)通乳(ru)油(you)(you)(you)1500毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)38%莠(you)去(qu)津(jin)膠懸(xuan)(xuan)劑(ji)(ji)(ji)(ji)(ji)2250毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)加(jia)4%玉(yu)(yu)(yu)(yu)農樂(le)水(shui)(shui)(shui)劑(ji)(ji)(ji)(ji)(ji)900毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)。或(huo)(huo)(huo)(huo)(huo)38%莠(you)去(qu)津(jin)膠懸(xuan)(xuan)劑(ji)(ji)(ji)(ji)(ji)1800毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)加(jia)48%百草(cao)(cao)(cao)(cao)敵水(shui)(shui)(shui)劑(ji)(ji)(ji)(ji)(ji)300毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，加(jia)水(shui)(shui)(shui)750千克(ke)均(jun)勻噴(pen)霧。闊葉(xie)雜(za)(za)(za)草(cao)(cao)(cao)(cao)較重(zhong)發(fa)生(sheng)的玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)田(tian)，可(ke)(ke)在玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)4~6葉(xie)期(qi)(qi)(qi)(qi)，每公(gong)(gong)頃(qing)(qing)用(yong)75%巨星(xing)（闊葉(xie)凈）干懸(xuan)(xuan)浮劑(ji)(ji)(ji)(ji)(ji)15克(ke)。或(huo)(huo)(huo)(huo)(huo)75%寶(bao)(bao)收(闊葉(xie)散(san))15克(ke)，或(huo)(huo)(huo)(huo)(huo)48%百草(cao)(cao)(cao)(cao)敵水(shui)(shui)(shui)劑(ji)(ji)(ji)(ji)(ji)375~450毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)72%2，4-滴(di)丁酯乳(ru)油(you)(you)(you)750毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)22。5%伴(ban)地(di)農乳(ru)油(you)(you)(you)1200-1500毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)20%使它隆乳(ru)油(you)(you)(you)750-900毫(hao)(hao)(hao)升(sheng)(sheng)(sheng)(sheng)(sheng)，加(jia)水(shui)(shui)(shui)450升(sheng)(sheng)(sheng)(sheng)(sheng)，均(jun)勻噴(pen)霧。 有的地(di)區若在玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)播(bo)種(zhong)出苗前后(hou)由于三(san)夏(xia)大忙季節勞動(dong)力緊張(zhang)，或(huo)(huo)(huo)(huo)(huo)因天(tian)氣炎熱多雨(yu)來(lai)不(bu)及施藥除(chu)(chu)(chu)草(cao)(cao)(cao)(cao)，在玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)生(sheng)長中后(hou)期(qi)(qi)(qi)(qi)發(fa)生(sheng)草(cao)(cao)(cao)(cao)荒(huang)，每公(gong)(gong)頃(qing)(qing)用(yong)20%一把(ba)火水(shui)(shui)(shui)劑(ji)(ji)(ji)(ji)(ji)3升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)10%草(cao)(cao)(cao)(cao)甘(gan)膦(lin)水(shui)(shui)(shui)劑(ji)(ji)(ji)(ji)(ji)9-12升(sheng)(sheng)(sheng)(sheng)(sheng)，或(huo)(huo)(huo)(huo)(huo)41%一把(ba)手(shou)水(shui)(shui)(shui)劑(ji)(ji)(ji)(ji)(ji)3~4。5升(sheng)(sheng)(sheng)(sheng)(sheng)加(jia)水(shui)(shui)(shui)450升(sheng)(sheng)(sheng)(sheng)(sheng)，噴(pen)頭上加(jia)保(bao)護罩，對(dui)雜(za)(za)(za)草(cao)(cao)(cao)(cao)定(ding)向噴(pen)霧，盡量避免將藥液噴(pen)到(dao)玉(yu)(yu)(yu)(yu)米(mi)(mi)(mi)莖(jing)葉(xie)上。

3、免耕玉(yu)(yu)米(mi)田。由乙(yi)阿(a)合(he)劑(ji)與農民樂(le)(le)制成(cheng)的(de)(de)乙(yi)阿(a)樂(le)(le)桶混劑(ji)是免耕帶茬播種玉(yu)(yu)米(mi)田的(de)(de)理想(xiang)除(chu)草(cao)(cao)(cao)劑(ji)。該(gai)劑(ji)的(de)(de)殺草(cao)(cao)(cao)譜(pu)廣、藥效顯著，既能(neng)防除(chu)所有已(yi)出苗(miao)的(de)(de)雜(za)草(cao)(cao)(cao)，又能(neng)防除(chu)或(huo)控制末出苗(miao)的(de)(de)一年(nian)生(sheng)由種子繁(fan)殖的(de)(de)禾(he)本科及闊(kuo)葉雜(za)草(cao)(cao)(cao)；持效期長(chang)，一次(ci)施藥能(neng)保證整個生(sheng)長(chang)季(ji)節不(bu)受雜(za)草(cao)(cao)(cao)為害(hai)，而且(qie)對當(dang)季(ji)和(he)后茬作物都很安(an)全。在小(xiao)麥收割(ge)后，玉(yu)(yu)米(mi)播種前，每公頃用(yong)40%乙(yi)阿(a)合(he)劑(ji)2250-3000克加74。7%農民樂(le)(le)600-900克，兌水450升，噴(pen)頭高(gao)度(du)應高(gao)于雜(za)草(cao)(cao)(cao)30厘米(mi)，均(jun)勻(yun)噴(pen)霧。

4、地(di)膜覆蓋(gai)玉米田。在氣(qi)溫(wen)(wen)較低又干(gan)旱的(de)春玉米區(qu)，常采用地(di)膜覆蓋(gai)栽培技術，來增地(di)溫(wen)(wen)保墑情，以促進玉米出苗(miao)快長。由于地(di)膜內的(de)溫(wen)(wen)度(du)高(gao)，濕度(du)大，十分有利于除草(cao)(cao)劑(ji)藥(yao)(yao)效(xiao)的(de)發揮，因(yin)此，與露地(di)施藥(yao)(yao)相比，較低的(de)除草(cao)(cao)劑(ji)用量（一般比常規用量減少1/4~1/2）便可收(shou)到很好(hao)的(de)除草(cao)(cao)效(xiao)果(guo)。每公頃(qing)可用40%乙莠水懸浮乳劑(ji)1800~2250毫(hao)(hao)升(sheng)(sheng)(sheng)(sheng)，或50%乙草(cao)(cao)胺乳油(you)750-1050毫(hao)(hao)升(sheng)(sheng)(sheng)(sheng)，或72%都爾(er)乳油(you)900~1200毫(hao)(hao)升(sheng)(sheng)(sheng)(sheng)，90%禾耐斯乳油(you)600~750毫(hao)(hao)升(sheng)(sheng)(sheng)(sheng)，或48%拉索乳油(you)2250毫(hao)(hao)升(sheng)(sheng)(sheng)(sheng)，或33%除草(cao)(cao)通乳油(you)1500-2250毫(hao)(hao)升(sheng)(sheng)(sheng)(sheng)，在玉米播種(zhong)鎮壓后加(jia)水450-750升(sheng)(sheng)(sheng)(sheng)，均勻噴(pen)霧，然后覆膜封土。如果(guo)是苗(miao)帶施藥(yao)(yao)，要根(gen)據實(shi)際施藥(yao)(yao)面(mian)積計(ji)算用藥(yao)(yao)量。