pengshishucaiyinyoubaohusheshi，turangdebudaoyushuidechongfenlinxi，feiliaobuyilinshi，suoyiguoliangshiyonghuafeijiyiyinqiyanfenzaiturangbiaocengjuji

，qingzeyingxiangshucaishengchangfayu，zhongzedaozhiturangcishengyanzihua。yinci，shifeiqianyaojinxingturangyangfenzhenduan
，zhidingchuhelidepeifangshifeifangan，fangzhimangmuguoliangshiyongsuxiaofeiliao。

二、注意增施鉀肥

瓜gua類lei和he茄qie果guo類lei蔬shu菜cai施shi用yong鉀jia肥fei有you明ming顯xian的de增zeng產chan效xiao果guo，這zhe是shi因yin為wei隨sui著zhe棚peng室shi蔬shu菜cai連lian年nian偏pian施shi氮dan磷lin類lei化hua肥fei，致zhi使shi土tu壤rang供gong鉀jia能neng力li隨sui著zhe種zhong植zhi年nian限xian的de增zeng長chang及ji蔬shu菜cai產chan量liang的de提ti高gao而er逐zhu漸jian減jian弱ruo。據ju試shi驗yan，棚peng室shi黃huang瓜gua畝mu補bu施shi氧yang化hua鉀jia7.5公(gong)斤(jin)，表(biao)現(xian)出(chu)莖(jing)稈(gan)粗(cu)壯(zhuang)，葉(ye)片(pian)鮮(xian)綠(lv)肥(fei)厚(hou)，瓜(gua)條(tiao)順(shun)直(zhi)，冬(dong)季(ji)大(da)白(bai)菜(cai)施(shi)肥(fei)技(ji)術(shu)產(chan)量(liang)和(he)品(pin)質(zhi)都(dou)有(you)明(ming)顯(xian)提(ti)高(gao)。應(ying)注(zhu)意(yi)的(de)是(shi)，選(xuan)用(yong)鉀(jia)肥(fei)品(pin)種(zhong)時(shi)最(zui)好(hao)不(bu)用(yong)氯(lv)化(hua)鉀(jia)
，以(yi)免(mian)土(tu)壤(rang)鹽(yan)漬(zi)化(hua)。

三、追肥要少量多次

蔬shu菜cai是shi需xu肥fei較jiao多duo的de作zuo物wu，除chu施shi足zu底di肥fei外wai，還hai需xu進jin行xing追zhui肥fei，追zhui肥fei時shi一yi定ding要yao掌zhang握wo少shao量liang多duo次ci的de施shi肥fei方fang法fa，這zhe樣yang一yi可ke防fang止zhi養yang分fen流liu失shi，二er可ke充chong分fen發fa揮hui肥fei效xiao，提ti高gao肥fei料liao的de利li用yong率lv。

四
、微肥缺啥補啥

蔬(shu)菜(cai)對(dui)微(wei)量(liang)元(yuan)素(su)需(xu)要(yao)量(liang)雖(sui)少(shao)，但(dan)微(wei)肥(fei)在(zai)蔬(shu)菜(cai)體(ti)內(nei)卻(que)是(shi)參(can)與(yu)生(sheng)理(li)作(zuo)用(yong)不(bu)可(ke)缺(que)少(shao)的(de)養(yang)分(fen)，如(ru)果(guo)土(tu)壤(rang)中(zhong)微(wei)量(liang)元(yuan)素(su)供(gong)應(ying)不(bu)足(zu)，蔬(shu)菜(cai)就(jiu)會(hui)出(chu)現(xian)不(bu)同(tong)的(de)缺(que)素(su)症(zheng)狀(zhuang)
，產(chan)量(liang)降(jiang)低(di)，品(pin)質(zhi)下(xia)降(jiang)、相xiang反fan如ru果guo土tu壤rang中zhong的de微wei量liang元yuan素su含han量liang過guo多duo，又you會hui引yin起qi蔬shu菜cai中zhong毒du現xian象xiang
，同tong樣yang會hui造zao成cheng減jian產chan和he降jiang低di品pin質zhi
，因yin此ci，補bu施shi微wei肥fei必bi須xu根gen據ju土tu壤rang化hua驗yan結jie果guo及ji蔬shu菜cai缺que素su現xian象xiang，本ben著zhe缺que啥sha補bu啥sha的de原yuan則ze進jin行xing施shi肥fei。

五、根外追肥要準確

葉(ye)麵(mian)噴(pen)肥(fei)一(yi)是(shi)方(fang)法(fa)簡(jian)單(dan)，省(sheng)工(gong)省(sheng)時(shi)，二(er)是(shi)可(ke)避(bi)免(mian)因(yin)澆(jiao)水(shui)過(guo)多(duo)造(zao)成(cheng)土(tu)壤(rang)濕(shi)度(du)過(guo)大(da)從(cong)而(er)致(zhi)使(shi)蔬(shu)菜(cai)感(gan)病(bing)率(lv)增(zeng)加(jia)，三(san)是(shi)可(ke)快(kuai)速(su)補(bu)充(chong)養(yang)分(fen)，但(dan)在(zai)生(sheng)產(chan)中(zhong)一(yi)定(ding)要(yao)把(ba)握(wo)好(hao)施(shi)用(yong)濃(nong)度(du)，否(fou)則(ze)易(yi)產(chan)生(sheng)肥(fei)害(hai)“燒傷”葉片，一般葉麵噴肥應掌握濃度是：尿素1%、磷酸二氫鉀0.2~0.5%、磷酸二銨1%
、硫酸鋅0.1~0.2%、硫酸錳0.1~0.2%

、硼砂0.1~0.2%

、鉬酸銨0.05~0.1%

、硫酸銅0.02~0.2%、硫酸亞鐵0.2~1%.