近jin期qi氣qi溫wen有you所suo升sheng高gao,給gei越yue冬dong黃huang瓜gua的de生sheng產chan帶dai來lai階jie段duan性xing的de有you利li條tiao件jian,但dan天tian氣qi變bian化hua無wu常chang,在zai越yue冬dong黃huang瓜gua進jin入ru結jie果guo期qi後hou,菜cai農nong朋peng友you應ying細xi心xin管guan理li,多duo管guan齊qi下xia,了le解jie植zhi株zhu生sheng長chang特te性xing,管guan理li好hao大da棚peng小xiao環huan境jing,創chuang造zao適shi宜yi植zhi株zhu生sheng長chang的de條tiao件jian,以yi秧yang養yang瓜gua,才cai能neng豐feng產chan豐feng收shou。針zhen對dui聊liao城cheng市shi東dong昌chang府fu區qu大da棚peng黃huang瓜gua種zhong植zhi現xian狀zhuang,特te提ti醒當地的菜農朋友做好以下幾點:
不要讓氣候的變化過多影響棚室內的溫度:現在越冬黃瓜都已進入結瓜盛期,趁著好天氣,應進行高溫養瓜,即在平時的溫度調節上要比正常高1~2℃,這樣才能使植株生長旺盛,旺盛的植株才有可能形成高產。
以水促瓜,重施活性菌肥:近(jin)期(qi)溫(wen)度(du)高(gao),蒸(zheng)發(fa)量(liang)大(da),產(chan)量(liang)高(gao),作(zuo)物(wu)容(rong)易(yi)缺(que)水(shui),一(yi)旦(dan)缺(que)水(shui)就(jiu)直(zhi)接(jie)降(jiang)低(di)產(chan)量(liang),所(suo)以(yi)在(zai)原(yuan)有(you)的(de)基(ji)礎(chu)上(shang)應(ying)增(zeng)加(jia)澆(jiao)水(shui)次(ci)數(shu),以(yi)水(shui)促(cu)瓜(gua)。寧(ning)可(ke)少(shao)施(shi)肥(fei),不(bu)可(ke)少(shao)澆(jiao)水(shui),增(zeng)水(shui)不(bu)增(zeng)肥(fei)。根(gen)據(ju)現(xian)在(zai)植(zhi)株(zhu)長(chang)勢(shi)比(bi)較(jiao)旺(wang)盛(sheng),從(cong)肥(fei)料(liao)上(shang)要(yao)重(zhong)鉀(jia)配(pei)氮(dan),肥(fei)料(liao)不(bu)可(ke)一(yi)次(ci)衝(chong)施(shi)過(guo)多(duo),有(you)些(xie)棚(peng)戶(hu)盲(mang)目(mu)性(xing)的(de)多(duo)施(shi)肥(fei),認(ren)為(wei)肥(fei)多(duo)產(chan)量(liang)就(jiu)高(gao),結(jie)果(guo)相(xiang)反(fan),過(guo)多(duo)的(de)施(shi)肥(fei)會(hui)造(zao)成(cheng)土(tu)壤(rang)濃(nong)度(du)過(guo)重(zhong)而(er)傷(shang)根(gen),植(zhi)株(zhu)出(chu)現(xian)化(hua)瓜(gua)或(huo)者(zhe)生(sheng)長(chang)點(dian)萎(wei)縮(suo),葉(ye)片(pian)老(lao)化(hua)早(zao)衰(shuai)。
在今後衝施肥料時,可堅持“兩混一清”的做法,即:一遍化肥、一遍糞肥、一yi遍bian清qing水shui。根gen據ju產chan量liang的de高gao低di,決jue定ding施shi肥fei量liang,如ru植zhi株zhu掛gua果guo,應ying重zhong施shi肥fei,輕qing配pei氮dan肥fei,如ru掛gua果guo少shao,高gao產chan已yi過guo,應ying重zhong施shi氮dan肥fei,輕qing配pei鉀jia肥fei。另ling外wai,由you於yu長chang期qi的de澆jiao水shui施shi肥fei,土tu壤rang會hui造zao成cheng板ban結jie,影ying響xiang透tou氣qi性xing,使shi根gen係xi因yin缺que氧yang而er生sheng長chang勢shi弱ruo,活huo性xing菌jun在zai其qi繁fan殖zhi分fen解jie過guo程cheng中zhong,能neng夠gou使shi土tu壤rang團tuan粒li化hua,增zeng加jia透tou氣qi性xing,打da破po板ban結jie,活huo化hua土tu壤rang。同tong時shi也ye把ba土tu壤rang中zhong未wei被bei利li用yong的de化hua肥fei重zhong新xin分fen解jie利li用yong,降jiang低di土tu壤rang濃nong度du,減jian少shao根gen係xi壓ya力li,促cu進jin根gen係xi生sheng長chang。
加強葉片保護,及時防治病害:在(zai)以(yi)前(qian)提(ti)出(chu)的(de)生(sheng)態(tai)防(fang)治(zhi),提(ti)高(gao)葉(ye)片(pian)免(mian)疫(yi)力(li)的(de)基(ji)礎(chu)上(shang)要(yao)加(jia)強(qiang)藥(yao)物(wu)防(fang)治(zhi)。不(bu)要(yao)盲(mang)目(mu)性(xing)用(yong)藥(yao),施(shi)藥(yao)時(shi),控(kong)製(zhi)好(hao)溫(wen)度(du)掌(zhang)握(wo)好(hao)濃(nong)度(du),以(yi)免(mian)產(chan)生(sheng)藥(yao)害(hai),發(fa)現(xian)有(you)病(bing)就(jiu)用(yong)好(hao)藥(yao)去(qu)治(zhi),不(bu)要(yao)讓(rang)病(bing)害(hai)發(fa)展(zhan)起(qi)來(lai),加(jia)強(qiang)葉(ye)片(pian)保(bao)護(hu)。培(pei)養(yang)功(gong)能(neng)葉(ye),加(jia)強(qiang)葉(ye)麵(mian)施(shi)肥(fei),提(ti)高(gao)葉(ye)片(pian)抗(kang)病(bing)能(neng)力(li)。
植株調整:及時摘除下部老葉、病葉、去卷須、及時落蔓。注意要保留14片功能葉,摘瓜時應根據植株的長勢,旺秧留大瓜,弱苗摘小瓜,做到長秧與結瓜協調生長。
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