muqian,chunchashucaiheyuedongyidachashucaiyiluxubayuan,henduocainongkaishiliyongdapengdexiuxianqimibifengkou,jinxinggaowenmenpeng。zuijinxiaxiangshiquefaxian,youbushaocainongzaipengcaibayuanhou,xianjiangpengdifangenghouzaimibipengshigaowenmenpeng。zhezhongzuofayouxiebutuo。
為(wei)什(shen)麼(me)這(zhe)麼(me)說(shuo)呢(ne)?道(dao)理(li)很(hen)簡(jian)單(dan),因(yin)為(wei)除(chu)土(tu)傳(chuan)病(bing)害(hai)外(wai),危(wei)害(hai)蔬(shu)菜(cai)的(de)各(ge)種(zhong)病(bing)原(yuan)菌(jun)大(da)都(dou)粘(zhan)附(fu)在(zai)棚(peng)地(di)上(shang)散(san)落(luo)的(de)枯(ku)枝(zhi)殘(can)葉(ye)上(shang),如(ru)果(guo)先(xian)翻(fan)地(di),則(ze)會(hui)把(ba)這(zhe)些(xie)帶(dai)病(bing)菌(jun)的(de)枯(ku)枝(zhi)殘(can)葉(ye)翻(fan)入(ru)土(tu)壤(rang)底(di)層(ceng)。此(ci)時(shi)再(zai)進(jin)行(xing)高(gao)溫(wen)悶(men)棚(peng),即(ji)使(shi)棚(peng)內(nei)溫(wen)度(du)再(zai)高(gao),對(dui)於(yu)土(tu)壤(rang)深(shen)層(ceng)的(de)病(bing)原(yuan)菌(jun)又(you)會(hui)起(qi)什(shen)麼(me)作(zuo)用(yong)呢(ne)?因(yin)此(ci),高(gao)溫(wen)悶(men)棚(peng)時(shi)一(yi)定(ding)不(bu)要(yao)先(xian)翻(fan)地(di)。而(er)正(zheng)確(que)的(de)做(zuo)法(fa)是(shi)應(ying)分(fen)兩(liang)步(bu)進(jin)行(xing):
第一步,蔬菜拔園後,盡量將棚地的枯枝殘葉打掃幹淨,然後關閉風口進行悶棚。
dierbu,menpengyizhouhou,zaidakaifengkoujinxingfandi,bingsuifandishirujifendengyoujifei,ranhouzaiciguanbifengkou,jinxingdiercimenpeng。diercimenpengkepeiheshiyongxiujiawanhemianlongdengturangchulijitongshijinxing,keyouxiaoshamieturangneidebingyuanjun。congyishangcaozuozhongkeyikanchu,fenliangbujinxing,menpengxiaoguokendinghuigenghao。ruozaimenpengdeguochengzhong,ganmenheshimenjiehe,zexiaoguogenghao。rudiyicimenpengshikeganmen,diercimenpengshi,kezaipengdigengfanqianjiaoyicishui,zengjiaturangshidu。shijianzhengming,ganmenheshimenxiangjiehe,xiaodushajundexiaoguomingxiantigao。
另外,還需要注意的是,高溫悶棚前千萬不要隨翻地施入生物菌肥。因為夏季悶棚時的溫度一般常可達到70℃yishang,zhemegaodewendu,henrongyijiangshengwujunshasi。yinci,shengwujunfeiyingzaigaowenmenpenghoushiru。youqishizaiyongxiujiawanhemianlongdengduipengditurangxiaoduchulihou,turangzhongdeshengwujunzhengchuyuyige“空倉”期,此時及時施入生物菌肥為土壤進行補菌,非常必要,且效果好。
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