一、搭架綁蔓
定植成活後,應及時搭架,可選用長1.6-1.8米、食指粗的竹竿或樹條,在離植株8-10厘米的溝側插牢,並聯結成高“人”字架。植株生長到一定高度時,分次用布條或塑料繩綁蔓,以確保番茄植株向上正常生長。
二、整zheng枝zhi打da芽ya整zheng枝zhi打da芽ya是shi人ren工gong調tiao整zheng植zhi株zhu營ying養yang生sheng長chang和he生sheng殖zhi生sheng長chang的de重zhong要yao技ji術shu措cuo施shi。秋qiu季ji番fan茄qie一yi般ban采cai取qu雙shuang幹gan整zheng枝zhi方fang式shi,即ji除chu留liu主zhu幹gan外wai,再zai留liu第di一yi花hua序xu下xia部bu最zui壯zhuang的de1geceya,xingchengjieguocezhi,qitayeyaquanbuzhaichu。shuwuxianshengchangxingdepinzhong,weilebaozhengguoshizhengqiyizhi,zaizuoguolvdadaochanliangzhibiaoshi,shizhizhushengchangzhuangkuang,keshishidading。ceyayue3.3厘米長時應及時摘除,過早或過遲均不利於植株生長發育,雨天不宜摘芽,以防感染病害。
三、追肥灌水
番茄追肥以豬糞尿、複合肥、尿素等速效肥為好。追肥應視天氣、苗miao情qing合he理li進jin行xing,幹gan旱han天tian氣qi應ying稀xi肥fei勤qin施shi,雨yu後hou或huo灌guan水shui前qian可ke適shi當dang增zeng施shi。還hai要yao掌zhang握wo前qian輕qing後hou重zhong的de原yuan則ze,即ji坐zuo果guo前qian輕qing施shi促cu苗miao肥fei,尤you其qi要yao控kong製zhi氮dan肥fei,膨peng果guo期qi和he采cai收shou期qi應ying定ding期qi追zhui肥fei。第di一yi台tai果guo實shi核he桃tao大da時shi需xu澆jiao水shui追zhui肥fei,經jing常chang保bao持chi土tu壤rang濕shi潤run,要yao及ji時shi進jin行xing插cha架jia綁bang蔓man、培土等工作。葉麵噴施微量元素肥是補充植株營養的經濟有效措施,可結合噴灑殺菌劑,定期噴施綠旺一號或三號、磷(lin)酸(suan)二(er)氫(qing)鉀(jia)等(deng)葉(ye)麵(mian)肥(fei)。遇(yu)連(lian)續(xu)幹(gan)旱(han)天(tian)氣(qi)時(shi),應(ying)及(ji)時(shi)灌(guan)水(shui)防(fang)旱(han),灌(guan)水(shui)宜(yi)采(cai)取(qu)小(xiao)水(shui)流(liu)溝(gou)浸(jin)灌(guan)的(de)方(fang)式(shi),切(qie)不(bu)可(ke)大(da)水(shui)漫(man)過(guo)廂(xiang)麵(mian),晴(qing)熱(re)天(tian)應(ying)在(zai)夜(ye)間(jian)灌(guan)水(shui),以(yi)免(mian)根(gen)部(bu)受(shou)害(hai)。灌(guan)水(shui)後(hou)要(yao)注(zhu)意(yi)放(fang)風(feng)降(jiang)濕(shi),減(jian)少(shao)病(bing)害(hai)發(fa)生(sheng)。
四、控溫管理在西紅柿花期,適宜的氣溫是白天25-30℃,夜間20-15℃,低於15℃或高於35℃,均易造成落花落果或生理畸形果。因此,如果溫度過高,白天就應遮陽或加大通風。溫度過低,晚上應加膜覆蓋。適宜的晝夜溫差是12-20℃。
五、保(bao)花(hua)保(bao)果(guo)開(kai)花(hua)坐(zuo)果(guo)前(qian)以(yi)控(kong)水(shui)蹲(dun)苗(miao)為(wei)主(zhu),大(da)棚(peng)日(ri)夜(ye)大(da)通(tong)風(feng),下(xia)雨(yu)天(tian)需(xu)關(guan)棚(peng)。秋(qiu)季(ji)番(fan)茄(qie)開(kai)花(hua)期(qi),多(duo)處(chu)於(yu)高(gao)溫(wen)幹(gan)旱(han)氣(qi)候(hou)條(tiao)件(jian)下(xia),不(bu)利(li)於(yu)授(shou)粉(fen)受(shou)精(jing),影(ying)響(xiang)坐(zuo)果(guo)。大(da)多(duo)數(shu)品(pin)種(zhong)均(jun)要(yao)求(qiu)在(zai)開(kai)花(hua)的(de)當(dang)日(ri),噴(pen)塗(tu)2×10-5—2.5×10-5的複合防落素進行保花保果,噴塗時不要濺滴到葉麵上。
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