施肥不當 施shi用yong了le未wei經jing充chong分fen腐fu熟shu的de雞ji糞fen作zuo為wei底di肥fei,造zao成cheng傷shang根gen。個ge別bie溫wen室shi因yin為wei施shi用yong的de雞ji糞fen中zhong含han有you火huo堿jian造zao成cheng燒shao根gen。化hua肥fei施shi用yong量liang過guo大da造zao成cheng燒shao根gen。部bu分fen黃huang瓜gua在zai燒shao根gen以yi後hou,苗miao子zi長chang勢shi不bu齊qi,差cha別bie很hen大da。防fang治zhi方fang法fa:施用充分腐熟的有機肥,並盡量早施,合理施肥,在黃瓜生長期內,適時衝施一些生物菌肥,如健之寶、禾珍牌係列有機肥等。
地麵不平整 澆jiao水shui時shi溫wen室shi內nei地di勢shi低di窪wa不bu平ping,使shi植zhi株zhu水shui分fen供gong應ying不bu均jun衡heng,地di勢shi高gao則ze水shui分fen少shao,地di勢shi低di則ze水shui分fen多duo,加jia之zhi很hen多duo菜cai農nong在zai澆jiao水shui時shi還hai會hui衝chong施shi部bu分fen肥fei料liao,這zhe更geng加jia重zhong了le植zhi株zhu長chang勢shi不bu齊qi的de程cheng度du。防fang治zhi方fang法fa:地(di)麵(mian)整(zheng)平(ping),並(bing)結(jie)合(he)小(xiao)水(shui)勤(qin)澆(jiao),避(bi)免(mian)有(you)的(de)苗(miao)澆(jiao)到(dao),有(you)的(de)苗(miao)澆(jiao)不(bu)到(dao)。同(tong)時(shi)應(ying)防(fang)止(zhi)大(da)棚(peng)前(qian)積(ji)水(shui)過(guo)多(duo),以(yi)免(mian)造(zao)成(cheng)根(gen)係(xi)缺(que)乏(fa)氧(yang)氣(qi)產(chan)生(sheng)漚(ou)根(gen)而(er)造(zao)成(cheng)長(chang)勢(shi)不(bu)齊(qi)。
根結線蟲危害 youdepengshineiyougenjiexianchongweihai,youyupengshineigenjiexianchongweihaichengdubuyi,youdedifangyanzhong,youdedifangjiaoqing,zheyehuishihuangguazhizhuchangshibuqi。fangzhifangfa:可以用1.8%阿維菌素2000~3000倍液進行灌根,每株灌200毫升藥液。
定植時苗子大小不一 cizhongqingkuangfashengjiaoshao,yinweicainongpengyouzaiyumiaoshidouhuiduoyuchuyibufenbeiyong,danshizaimiaoqiyudaoyanzhongbinghailiuxingdeshihou,beiyongdemiaoziyekenengbugouyong,danshiyoubunengbuzai,jiuhuijiemiaodingzhi,zhejiuzaochenghuangguachangshibuqi。fangzhifangfa:定植時選苗要均勻,對長勢不齊的可以噴施豐收一號800倍液進行控製,促使生長均勻一致。
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