shucaiquelinfeizuichubiaoxianweishengchanghuanman,suihouyepianchengtuilvbingban,jingxichang,fuhanmuzhi,yepianjiaoxiao,yesejiaoshen,beimianchenghongzise,yanchijieshiheguoshidechengshu。
蔬菜缺鉀肥最初植株基部具有灰綠色葉片,繼之葉片呈青銅色和黃褐色,葉緣變為褐色,沿葉脈出現斑點,組織腐爛和死亡。莖細長、變硬、富含木質。
蔬(shu)菜(cai)缺(que)鈣(gai)肥(fei)表(biao)現(xian)為(wei)生(sheng)長(chang)緩(huan)慢(man),形(xing)成(cheng)粗(cu)大(da)的(de)富(fu)含(han)木(mu)質(zhi)的(de)莖(jing)。植(zhi)株(zhu)頂(ding)端(duan)及(ji)幼(you)嫩(nen)部(bu)位(wei)表(biao)現(xian)症(zheng)狀(zhuang)明(ming)顯(xian)。番(fan)茄(qie)缺(que)鈣(gai),則(ze)容(rong)易(yi)得(de)臍(qi)腐(fu)病(bing),其(qi)具(ju)體(ti)表(biao)現(xian)為(wei)果(guo)實(shi)頂(ding)部(bu)(臍部)開kai始shi出chu現xian圓yuan形xing褐he腐fu,嚴yan重zhong時shi整zheng個ge果guo實shi腐fu爛lan,有you時shi伴ban隨sui出chu現xian黑hei色se黴mei狀zhuang物wu。黃huang瓜gua缺que鈣gai,表biao現xian為wei上shang部bu葉ye片pian皺zhou縮suo,不bu舒shu展zhan,植zhi株zhu龍long頭tou生sheng長chang緩huan慢man,幹gan枯ku,易yi與yu黃huang瓜gua的de黑hei星xing病bing相xiang混hun淆xiao,其qi主zhu要yao區qu別bie為wei黑hei星xing病bing病bing斑ban易yi破po碎sui。
蔬菜缺微肥若出現葉脈間失綠、直(zhi)立(li),頂(ding)端(duan)先(xian)受(shou)影(ying)響(xiang)而(er)生(sheng)長(chang)緩(huan)慢(man),預(yu)示(shi)缺(que)鋅(xin)。若(ruo)頂(ding)端(duan)生(sheng)長(chang)點(dian)死(si)亡(wang),根(gen)係(xi)發(fa)育(yu)不(bu)良(liang),開(kai)花(hua)蔬(shu)菜(cai)隻(zhi)開(kai)花(hua)不(bu)結(jie)實(shi)或(huo)開(kai)花(hua)不(bu)正(zheng)常(chang),預(yu)示(shi)著(zhe)缺(que)硼(peng)。若(ruo)新(xin)生(sheng)的(de)葉(ye)片(pian)已(yi)開(kai)始(shi)失(shi)綠(lv),漸(jian)漸(jian)褪(tui)變(bian)成(cheng)白(bai)色(se),預(yu)示(shi)著(zhe)缺(que)鐵(tie)。
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