鎮壓過晚 麥mai田tian鎮zhen壓ya是shi控kong製zhi麥mai苗miao旺wang長chang行xing之zhi有you效xiao的de方fang法fa之zhi一yi。一yi般ban農nong戶hu在zai早zao春chun看kan到dao麥mai苗miao旺wang長chang,就jiu立li即ji采cai取qu鎮zhen壓ya控kong製zhi旺wang長chang,這zhe是shi不bu正zheng確que的de。因yin為wei如ru果guo播bo種zhong過guo早zao麥mai田tian,有you可ke能neng冬dong前qian就jiu已yi拔ba節jie,此ci時shi進jin行xing鎮zhen壓ya,就jiu會hui折zhe斷duan節jie間jian,減jian少shao成cheng穗sui,所suo以yi鎮zhen壓ya控kong旺wang要yao視shi苗miao情qing進jin行xing,不bu可ke盲mang目mu鎮zhen壓ya。
深耕斷根 有的農戶在小麥起身期深鋤7~10厘(li)米(mi)來(lai)斷(duan)根(gen)控(kong)長(chang),這(zhe)是(shi)不(bu)科(ke)學(xue)的(de)。因(yin)為(wei)此(ci)時(shi)斷(duan)根(gen),就(jiu)會(hui)導(dao)致(zhi)植(zhi)株(zhu)根(gen)係(xi)減(jian)少(shao),若(ruo)管(guan)理(li)跟(gen)不(bu)上(shang),後(hou)期(qi)易(yi)倒(dao)伏(fu)。尤(you)其(qi)對(dui)由(you)於(yu)播(bo)量(liang)大(da)而(er)造(zao)成(cheng)群(qun)體(ti)過(guo)大(da)、根係發育較弱的麥田更不宜深中耕,可通過鎮壓控製主莖和大蘖徒長控旺轉壯。
割青和啃青 對dui於yu冬dong前qian旺wang長chang麥mai田tian,不bu少shao農nong民min用yong鐮lian刀dao割ge青qing或huo用yong牲sheng畜chu啃ken青qing來lai控kong旺wang防fang凍dong,這zhe也ye是shi一yi種zhong錯cuo誤wu的de做zuo法fa。因yin為wei啃ken青qing或huo割ge青qing後hou,葉ye片pian部bu分fen或huo全quan部bu被bei去qu掉diao,大da大da削xue弱ruo了le養yang料liao的de製zhi造zao和he積ji累lei,直zhi接jie影ying響xiang了le小xiao麥mai的de生sheng長chang發fa育yu,表biao現xian為wei穗sui分fen化hua開kai始shi晚wan,成cheng熟shu期qi延yan遲chi,穗sui少shao、粒少、粒li秕bi。另ling外wai,啃ken青qing或huo割ge青qing造zao成cheng植zhi株zhu機ji械xie損sun傷shang,呼hu吸xi作zuo用yong增zeng強qiang,養yang分fen消xiao耗hao增zeng加jia,水shui分fen蒸zheng騰teng加jia劇ju,分fen蘖nie節jie含han糖tang量liang減jian少shao,抗kang凍dong能neng力li減jian弱ruo,容rong易yi遭zao受shou凍dong害hai。因yin此ci,要yao禁jin止zhi啃ken青qing或huo割ge青qing。
盲目翻種 xiaomaishiyizhongziwotiaojienenglibijiaoqiangdezuowu。shijianzhengming,wangchangmaitianruoyuedongqiyudaoyanzhongdonghai,zhiyaofenniejiebusi,yinianfanqinghourengkeyichangchuxindefenniebingchengsui,yekeyihuodejiaohaodechanliang。erruguoduiwangchangmaitianzaiyuedongqianfanzhong,kaolvdaozaoshang、機械整地、機械播種、增加播量、施肥等投入,翌年小麥畝收益將顯著低於不耕翻麥田。因此,對旺長麥田,不提倡翻種。
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