muqian,qiuchashucaiyiluxudingzhiwanbi,henduocainongweicujinshucaizhuangke,douzaishucaihuanmiaohoucaiqucuoshidunmiao。raner,bizhefaxian,henduocainongdunmiaobudefa,jieguochangzaochengshucaidunbuzhumiaohuodunguoletou。那麼,如何使蔬菜通過合理蹲苗來實現壯棵呢?筆者認為,應做好以下幾點:
首(shou)先(xian),要(yao)把(ba)握(wo)住(zhu)蹲(dun)苗(miao)的(de)時(shi)機(ji)。一(yi)般(ban)情(qing)況(kuang)下(xia),蔬(shu)菜(cai)緩(huan)苗(miao)後(hou)就(jiu)應(ying)該(gai)逐(zhu)漸(jian)打(da)開(kai)通(tong)風(feng)口(kou),拉(la)大(da)晝(zhou)夜(ye)溫(wen)差(cha),並(bing)采(cai)取(qu)控(kong)肥(fei)控(kong)水(shui),噴(pen)灑(sa)植(zhi)物(wu)生(sheng)長(chang)調(tiao)節(jie)劑(ji)等(deng)措(cuo)施(shi)進(jin)行(xing)蹲(dun)苗(miao)。也(ye)可(ke)根(gen)據(ju)植(zhi)株(zhu)長(chang)勢(shi)靈(ling)活(huo)進(jin)行(xing),隔(ge)一(yi)段(duan)時(shi)間(jian)蹲(dun)一(yi)次(ci)苗(miao)。每(mei)次(ci)蹲(dun)苗(miao)時(shi)間(jian)的(de)長(chang)短(duan)沒(mei)有(you)特(te)別(bie)要(yao)求(qiu),短(duan)則(ze)一(yi)周(zhou),長(chang)則(ze)半(ban)月(yue),一(yi)般(ban)以(yi)苗(miao)子(zi)達(da)到(dao)莖(jing)粗(cu)壯(zhuang)、yenonglvweizhi。qici,buyaodengshucaituchanglecaijinxingdunmiao。duiyuyijingchuxiantuchangdemiaozi,caiquhuaxueyaojitiaokongshizuiyouxiaodebanfa,tongshipeihekongwenkongshuikongfeitongshijinxing,yibimianchuxiandunbuzhumiaodeqingkuang。zaishiyaozhuyibuyaodundaihuamiao。youxiemiaozidingzhishi,yijingchangdehendaqiedoukaishikaihuale,duiyuzhezhongyijingdaihuademiaozi,shibujianyidunmiaode。yinweishucaihuaqiduiwendu、肥水等條件要求非常嚴格,若盲目改變,不利於蔬菜正常開花坐果。
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