眼下,不管是秋茬大棚甜椒還是拱棚甜椒,不少都處於開花結果期。記者在昌樂縣寶城街道夏家村、壽(shou)光(guang)市(shi)紀(ji)台(tai)鎮(zhen)寨(zhai)子(zi)村(cun)幾(ji)個(ge)棚(peng)內(nei)采(cai)訪(fang)時(shi),發(fa)現(xian)菜(cai)農(nong)在(zai)此(ci)期(qi)管(guan)理(li)中(zhong)存(cun)在(zai)一(yi)些(xie)誤(wu)區(qu),記(ji)者(zhe)在(zai)此(ci)總(zong)結(jie)出(chu)來(lai),希(xi)望(wang)菜(cai)農(nong)朋(peng)友(you)能(neng)糾(jiu)正(zheng)一(yi)些(xie)不(bu)當(dang)的(de)管(guan)理(li)方(fang)法(fa),讓(rang)甜(tian)椒(jiao)健(jian)壯(zhuang)生(sheng)長(chang)。
一是將番茄、qiezishangdedianhuayaoyongzaitianjiaoshangdianhua。qianduanshijian,yinlianxuyintian,tianjiaozuoguonenglijiaocha,bushaocainongkanzhetianjiaozhichangkezibuzuoguo,feichangzheji。yushiyoucainongxiangdaolejiangqiezi、番(fan)茄(qie)上(shang)的(de)點(dian)花(hua)藥(yao)用(yong)在(zai)了(le)甜(tian)椒(jiao)上(shang),結(jie)果(guo)有(you)些(xie)甜(tian)椒(jiao)是(shi)坐(zuo)住(zhu)果(guo)了(le),但(dan)結(jie)出(chu)的(de)甜(tian)椒(jiao)又(you)小(xiao)又(you)硬(ying),並(bing)且(qie)長(chang)得(de)較(jiao)慢(man),有(you)的(de)直(zhi)接(jie)成(cheng)了(le)僵(jiang)果(guo),菜(cai)農(nong)不(bu)得(de)已(yi)又(you)將(jiang)這(zhe)些(xie)果(guo)實(shi)采(cai)摘(zhai)去(qu)了(le)。甜(tian)椒(jiao)是(shi)自(zi)花(hua)授(shou)粉(fen)蔬(shu)菜(cai),隻(zhi)要(yao)條(tiao)件(jian)適(shi)宜(yi),它(ta)自(zi)己(ji)就(jiu)能(neng)坐(zuo)果(guo)。甜(tian)椒(jiao)開(kai)花(hua)結(jie)果(guo)期(qi)所(suo)需(xu)的(de)適(shi)宜(yi)溫(wen)度(du)是(shi)25-28℃,晝夜溫差在10-12℃。如果夜溫過高、晝夜溫差過小的話,則不容易坐住果。這就需要采取遮陽、jiadafangfengdengcuoshikongzhipengwenguogao,biyaoshikepenyongzhuzhuangsuhuoaizhuangsukongzhizhizhuwangchang,cujinkaihuazuoguo。lingwai,ruguochangqiyintian,tianjiaozuoguobuhaodehua,ketongguohuangkedefangfacuqizuoguo,danbunengcaiqudianhuadefangshi,fouzebujinrongyidaozhijisuzhongdu,erqiejiechudeguoshipinzhibuxing,zhinengdangcipinmaidiao。
二是澆水量控製不好。甜椒屬淺根係作物,根係不夠發達,大量的根係集中在10—15limideturang,jipahanyoupalao。zaishouguangshijitaizhenzhaizicuncainongweishifudepengnei,jizhekandaotianjiaohenganle,dancainongbuganjiaoshui,pajiaoshuiguodadaozhiougensike。danyaozhuyiruguojieguoqitianjiaoqueshuidehua,henrongyideqifubing。xiangfan,ruguojieguoqijiaoshuiliangguodadehua,jirongyidaozhitianjiaoweinian,shenzhisike。duici,jianyicainongshiturangganshichengduquedingjiaoshuiyufou,budedashuimanguan。
三是鉀肥供應不足。甜椒生長期對氮磷鉀的需求比例是3:1:4。可(ke)以(yi)看(kan)出(chu),甜(tian)椒(jiao)對(dui)鉀(jia)肥(fei)的(de)需(xu)求(qiu)量(liang)是(shi)最(zui)大(da)的(de)。如(ru)果(guo)鉀(jia)肥(fei)供(gong)應(ying)不(bu)足(zu),甜(tian)椒(jiao)植(zhi)株(zhu)易(yi)倒(dao)伏(fu),果(guo)實(shi)小(xiao),產(chan)量(liang)低(di)。對(dui)此(ci),在(zai)甜(tian)椒(jiao)坐(zuo)果(guo)後(hou),一(yi)般(ban)長(chang)到(dao)核(he)桃(tao)大(da)小(xiao)時(shi)就(jiu)應(ying)該(gai)追(zhui)施(shi)高(gao)鉀(jia)肥(fei),滿(man)足(zu)植(zhi)株(zhu)對(dui)鉀(jia)肥(fei)的(de)需(xu)求(qiu),可(ke)施(shi)用(yong)全(quan)水(shui)溶(rong)性(xing)肥(fei)料(liao)芳(fang)潤(run)(20:10:30),畝用5—8公斤即可。
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