2、肥(fei)害(hai)。肥(fei)害(hai)常(chang)發(fa)生(sheng)在(zai)陰(yin)天(tian)或(huo)者(zhe)轉(zhuan)晴(qing)後(hou),使(shi)用(yong)大(da)量(liang)未(wei)腐(fu)熟(shu)的(de)農(nong)家(jia)肥(fei)作(zuo)基(ji)肥(fei)或(huo)衝(chong)施(shi)肥(fei)使(shi)用(yong)不(bu)當(dang)。在(zai)茄(qie)子(zi)生(sheng)長(chang)過(guo)程(cheng)中(zhong)產(chan)生(sheng)氨(an)氣(qi),當(dang)氨(an)氣(qi)積(ji)累(lei)到(dao)一(yi)定(ding)程(cheng)度(du)時(shi),就(jiu)會(hui)對(dui)茄(qie)子(zi)產(chan)生(sheng)為(wei)害(hai)。如(ru)果(guo)不(bu)能(neng)及(ji)時(shi)放(fang)風(feng),就(jiu)有(you)可(ke)能(neng)造(zao)成(cheng)氨(an)氣(qi)毒(du)害(hai)。因(yin)此(ci),菜(cai)農(nong)朋(peng)友(you)們(men)在(zai)選(xuan)用(yong)基(ji)肥(fei)、衝chong施shi肥fei的de時shi候hou,不bu能neng隻zhi追zhui求qiu速su效xiao性xing而er大da量liang使shi用yong氮dan素su含han量liang高gao的de肥fei料liao,可ke使shi用yong腐fu熟shu的de農nong家jia肥fei或huo生sheng物wu肥fei,既ji可ke以yi增zeng加jia土tu壤rang中zhong有you益yi菌jun群qun的de數shu量liang,也ye可ke以yi有you效xiao地di提ti高gao地di溫wen。
解決方法:
1、在生產中,菜農朋友往往認為,平時使用大量的糞肥、複(fu)合(he)肥(fei)等(deng),茄(qie)子(zi)不(bu)會(hui)出(chu)現(xian)缺(que)乏(fa)氮(dan)磷(lin)鉀(jia)的(de)情(qing)況(kuang),其(qi)實(shi),這(zhe)種(zhong)認(ren)識(shi)是(shi)錯(cuo)誤(wu)的(de),尤(you)其(qi)是(shi)處(chu)於(yu)結(jie)果(guo)盛(sheng)期(qi)的(de)茄(qie)子(zi),如(ru)果(guo)植(zhi)株(zhu)留(liu)果(guo)多(duo)時(shi),就(jiu)很(hen)容(rong)易(yi)出(chu)現(xian)缺(que)鉀(jia)的(de)症(zheng)狀(zhuang)。雖(sui)然(ran)有(you)的(de)菜(cai)農(nong)葉(ye)麵(mian)補(bu)充(chong)了(le)磷(lin)酸(suan)二(er)氫(qing)鉀(jia),但(dan)此(ci)法(fa)治(zhi)標(biao)不(bu)治(zhi)本(ben),還(hai)必(bi)須(xu)從(cong)根(gen)本(ben)解(jie)決(jue)此(ci)問(wen)題(ti),可(ke)以(yi)每(mei)畝(mu)補(bu)充(chong)鉀(jia)肥(fei)3-4千qian克ke。同tong時shi筆bi者zhe提ti醒xing,有you部bu分fen種zhong植zhi戶hu的de茄qie子zi是shi缺que鎂mei導dao致zhi的de黃huang葉ye,具ju體ti症zheng狀zhuang是shi在zai茄qie子zi的de中zhong下xia部bu葉ye片pian發fa黃huang,由you下xia而er上shang發fa展zhan,有you的de沿yan葉ye脈mai發fa展zhan,症zheng狀zhuang明ming顯xian,區qu別bie於yu其qi他ta兩liang種zhong情qing況kuang。缺que鐵tie植zhi株zhu頂ding端duan的de嫩nen葉ye發fa生sheng黃huang化hua,這zhe是shi由you於yu鐵tie的de吸xi收shou受shou阻zu引yin起qi的de。在zai土tu壤rang呈cheng酸suan性xing、多肥、多濕的條件下常會發生缺鐵症;缺鎂是植株坐果多,從下部至上部葉片其葉肉都呈現黃色。
2、發(fa)生(sheng)肥(fei)害(hai)的(de)要(yao)抓(zhua)準(zhun)時(shi)機(ji)適(shi)時(shi)澆(jiao)水(shui),使(shi)植(zhi)株(zhu)盡(jin)快(kuai)恢(hui)複(fu)各(ge)項(xiang)生(sheng)理(li)機(ji)能(neng),另(ling)外(wai)要(yao)保(bao)持(chi)一(yi)定(ding)的(de)棚(peng)室(shi)溫(wen)度(du)。葉(ye)麵(mian)噴(pen)灑(sa)豐(feng)收(shou)一(yi)號(hao)等(deng)葉(ye)麵(mian)肥(fei),最(zui)好(hao)混(hun)摻(chan)磷(lin)酸(suan)二(er)氫(qing)鉀(jia)。如(ru)果(guo)根(gen)係(xi)受(shou)到(dao)損(sun)傷(shang),要(yao)注(zhu)重(zhong)促(cu)根(gen)養(yang)根(gen),可(ke)以(yi)用(yong)生(sheng)根(gen)劑(ji)灌(guan)根(gen),也(ye)可(ke)以(yi)衝(chong)施(shi)生(sheng)根(gen)肥(fei)料(liao),如(ru)腐(fu)殖(zhi)酸(suan)、微生物肥料等。
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