適時適量冬灌:冬dong小xiao麥mai適shi時shi冬dong灌guan,一yi是shi能neng平ping抑yi地di溫wen,形xing成cheng良liang好hao的de土tu壤rang水shui分fen環huan境jing,調tiao節jie耕geng層ceng中zhong的de土tu壤rang養yang分fen,提ti高gao土tu壤rang的de熱re容rong量liang,促cu進jin植zhi株zhu生sheng根gen且qie多duo分fen蘖nie,育yu出chu壯zhuang苗miao。二er是shi冬dong灌guan不bu僅jin有you利li於yu防fang止zhi凍dong害hai死si苗miao和he越yue冬dong保bao苗miao,還hai能neng減jian輕qing早zao春chun寒han害hai、hanhaihewendujuliebianhuadailaidebuliyingxiang,tongshiyeshiyufangxiaomaidongchunsimiaodezhongyaocuoshi。sanshinengchenshiturang,xiaomieyuedonghaichong。sishidongshuidongfeixiangjiehe,keweiyichunxiaomaifanqinghegenxishengchangchuangzaolianghaotiaojian,tigaoshengchansudu,gaishanpinzhi,zengjiachanliang。ciwai,yanjiandimaitiandongguan,haikeyiyajiangaitu。jutiaozha,dongguanbiweidongguandedongxiaomai,musuishuzengjia12.3萬穗,穗粒數增加6.7粒,千粒重提高1.3克,可增產27%。
適時鎮壓:鎮壓可破碎土團、彌實裂縫、踏實土壤,使麥根和土壤緊實結合,促進根係發育。此外,鎮壓還有提墒、保墒作用。
適當覆蓋:冬季鋪沙蓋麥、破po土tu蓋gai麥mai,可ke以yi加jia深shen分fen蘖nie節jie的de入ru土tu深shen度du和he保bao護hu近jin地di層ceng的de葉ye片pian,減jian少shao土tu壤rang水shui分fen蒸zheng發fa,改gai善shan分fen蘖nie節jie處chu的de水shui分fen狀zhuang況kuang,起qi到dao保bao溫wen防fang凍dong的de作zuo用yong,一yi般ban覆fu土tu1-2厘米厚即可起到較好的防凍保苗效果。覆土的麥田在春季要及時清壟,在氣溫達5℃時(shi)將(jiang)土(tu)清(qing)出(chu)田(tian)埂(geng)。對(dui)於(yu)抗(kang)寒(han)性(xing)差(cha)的(de)品(pin)種(zhong),播(bo)種(zhong)淺(qian)且(qie)墒(shang)情(qing)差(cha)的(de)麥(mai)田(tian)應(ying)及(ji)早(zao)蓋(gai)土(tu)。越(yue)冬(dong)期(qi)進(jin)行(xing)地(di)膜(mo)覆(fu)蓋(gai),可(ke)增(zeng)溫(wen)保(bao)墒(shang),有(you)效(xiao)地(di)防(fang)止(zhi)凍(dong)害(hai),促(cu)進(jin)植(zhi)株(zhu)生(sheng)長(chang),從(cong)而(er)增(zeng)加(jia)植(zhi)株(zhu)分(fen)蘖(nie)並(bing)促(cu)使(shi)其(qi)發(fa)育(yu)成(cheng)大(da)蘖(nie),提(ti)高(gao)分(fen)蘖(nie)成(cheng)穗(sui)率(lv)。蓋(gai)膜(mo)時(shi)間(jian)以(yi)氣(qi)溫(wen)降(jiang)至(zhi)3℃時為宜,蓋早了容易徒長,蓋晚了葉片易受凍。晚播麥可在播後隨即蓋膜。
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