jinqiqiwenyousuoshenggao,geiyuedonghuangguadeshengchandailaijieduanxingdeyoulitiaojian,dantianqibianhuawuchang,zaiyuedonghuangguajinrujieguoqihou,cainongpengyouyingxixinguanli,duoguanqixia,lejiezhizhushengchangtexing,guanlihaodapengxiaohuanjing,chuangzaoshiyizhizhushengchangdetiaojian,yiyangyanggua,cainengfengchanfengshou。zhenduiliaochengshidongchangfuqudapenghuangguazhongzhixianzhuang,teti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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