農村有句諺語:“立了秋,掛鋤鉤”,意(yi)即(ji)立(li)秋(qiu)後(hou)的(de)農(nong)作(zuo)物(wu)不(bu)再(zai)需(xu)要(yao)田(tian)間(jian)管(guan)理(li)。不(bu)過(guo)專(zhuan)家(jia)提(ti)醒(xing)農(nong)民(min)朋(peng)友(you),立(li)秋(qiu)後(hou)的(de)農(nong)作(zuo)物(wu)特(te)別(bie)是(shi)玉(yu)米(mi),更(geng)需(xu)要(yao)加(jia)強(qiang)田(tian)間(jian)管(guan)理(li),抽(chou)穗(sui)期(qi)追(zhui)肥(fei)很(hen)有(you)必(bi)要(yao)。
8月23ri,jizhezaihenanshengnongyejishutuiguangzongzhanyanjiuyuanjieguifangchulejiedao,jinnian,yinweichunjiganhan,henanshengxiaomaishougeqipubianpianwan,daozhiwoshengxiayumibozhongqibiwangniantuichile5-7天。據統計,6月10日麥收前套種的一類苗占20%,6月15日麥收後播種的二類苗占50%,6月20日以後播種的三類苗占30%。目mu前qian來lai看kan,播bo種zhong較jiao早zao的de一yi類lei苗miao開kai花hua授shou粉fen基ji本ben結jie束shu,二er類lei苗miao正zheng處chu在zai授shou粉fen盛sheng期qi,三san類lei苗miao即ji將jiang抽chou穗sui。前qian幾ji天tian,全quan省sheng普pu降jiang秋qiu雨yu,對dui二er三san類lei苗miao灌guan漿jiang十shi分fen有you利li。河he南nan省sheng玉yu米mi長chang勢shi總zong體ti好hao於yu去qu年nian,但dan後hou期qi田tian間jian管guan理li任ren務wu艱jian巨ju。
立li秋qiu後hou,農nong民min朋peng友you往wang往wang圖tu省sheng事shi不bu施shi肥fei,是shi玉yu米mi產chan量liang下xia降jiang的de原yuan因yin之zhi一yi。解jie貴gui方fang說shuo,目mu前qian正zheng是shi二er三san類lei苗miao管guan理li的de關guan鍵jian時shi期qi,尤you其qi需xu要yao加jia強qiang田tian間jian管guan理li。一yi是shi要yao趁chen墒shang追zhui肥fei。按an技ji術shu要yao求qiu追zhui施shi花hua粒li肥fei,主zhu要yao是shi氮dan肥fei,占zhan整zheng個ge玉yu米mi生sheng長chang期qi施shi肥fei量liang的de10%-20%,即每畝施肥10-20公斤,可保綠防衰,增加產量;二是要積極防治病蟲害。目前,極易發生玉米花粒期的葉斑病,需要加強病蟲害監測預報。
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