缺(que)鈣(gai)病(bing)始(shi)發(fa)於(yu)幼(you)果(guo)，開(kai)始(shi)為(wei)水(shui)浸(jin)狀(zhuang)暗(an)褐(he)色(se)斑(ban)點(dian)，逐(zhu)漸(jian)發(fa)展(zhan)為(wei)褐(he)色(se)或(huo)黑(hei)色(se)壞(huai)死(si)區(qu)域(yu)。可(ke)以(yi)擴(kuo)展(zhan)至(zhi)果(guo)實(shi)內(nei)部(bu)，病(bing)果(guo)提(ti)早(zao)變(bian)紅(hong)，屬(shu)典(dian)型(xing)的(de)生(sheng)理(li)性(xing)病(bing)害(hai)
，容(rong)易(yi)導(dao)致(zhi)臍(qi)腐(fu)病(bing)。預防措施：yifushudeyoujifeizuoweidifei，bingshiyongyidingliangdeguolinsuangai，yifangturangquegai。qici，yaoshengengtudi
，caiyongdimofugaizaipei，baochiturangshuifenxiangduiwending，jianshaoturangzhonggaideliushi。disan，jieguoqibaozhengshuifendejunhenggongying
，yanfanghuganhushi
，gaowenganhanshijishijiaoshui，yujijishipaishui，quebaogenxidezhengchanggongneng。disi，shengchangqianqiwenshidanfei，bimianyingyangshengchangguowang，lingwai，zaiyouguoqiyaojishizhaichuqifuguo，yijianshaozhizhutineideyangfenxiaohao
，baozhengjiankangguoshideshengchang。

缺鉀

番茄生長需鉀較多


，缺鉀時主葉脈之間的葉片組織褪綠

，葉片卷曲
、呈cheng赤chi綠lv色se，嚴yan重zhong時shi沿yan葉ye緣yuan發fa生sheng灼zhuo傷shang。鉀jia不bu足zu降jiang低di了le果guo實shi中zhong酸suan的de含han量liang，同tong時shi引yin起qi果guo實shi內nei部bu褪tui色se。番fan茄qie生sheng長chang中zhong後hou期qi，即ji使shi土tu壤rang中zhong鉀jia的de含han量liang不bu低di，但dan由you於yu根gen係xi吸xi收shou能neng力li下xia降jiang，不bu能neng提ti供gong足zu夠gou的de鉀jia素su供gong給gei果guo實shi發fa育yu和he植zhi株zhu生sheng長chang，當dang果guo實shi成cheng熟shu時shi仍reng表biao現xian出chu缺que鉀jia症zheng狀zhuang。當dang鉀jia供gong應ying不bu足zu時shi，果guo實shi的de發fa育yu就jiu以yi損sun害hai葉ye片pian為wei代dai價jia
，通tong常chang當dang結jie3穗～4穗果後
，老葉易出現缺鉀症狀。栽培時應施足鉀肥，鉀肥易揮發，易淋失，應采取基施
、追施以及葉麵噴施相結合，以保證中後期鉀素的供應。

缺磷

苗期磷素不足會使植株生長緩慢
，葉片變紫。低溫、幹旱等原因也會阻礙了根係吸收能力

，而出現缺磷症狀。磷素在土壤中移動性較小
，幼苗期需磷量大，應底施

、shenshi。linyibeiturangjiaotiguding，suoyishilinfeishikeyufushuhaodeyoujifeihunheshihuokaigoujizhongshi，kecaiyongkelizhuanglinfei，shiqijianshaoyuturangdejiechumian
，shengchangzhonghouqikeyemianpenshibulin，tigaolinfeideliyonglv。

缺鐵

鐵(tie)屬(shu)微(wei)量(liang)元(yuan)素(su)
，但(dan)在(zai)植(zhi)物(wu)生(sheng)長(chang)發(fa)育(yu)中(zhong)起(qi)著(zhe)重(zhong)要(yao)作(zuo)用(yong)

，鐵(tie)不(bu)足(zu)可(ke)使(shi)葉(ye)片(pian)褪(tui)綠(lv)，堿(jian)性(xing)的(de)土(tu)壤(rang)會(hui)阻(zu)礙(ai)植(zhi)株(zhu)對(dui)鐵(tie)的(de)吸(xi)收(shou)，應(ying)配(pei)施(shi)鐵(tie)肥(fei)，但(dan)不(bu)宜(yi)過(guo)量(liang)。一(yi)般(ban)采(cai)用(yong)硫(liu)酸(suan)亞(ya)鐵(tie)
，底(di)肥(fei)2千克／畝～7．5千克／畝，葉麵噴施0．2％～1％的水溶液。