一、wenduguanlishucaishengyuqizhongyouyixiliedeshiwenzhibiao。wenduguogao,huimingxianyingxiangshoufen,zaochengluohualuoguo。youqishiyewenpiangaohuizaochengtuchang,ruzuijinzailuquanshidahexiangyigepengdeyuedongchahuangguajiufashengtuchang,tuchangzhujingjiechangdanbuguagua。dongjiwangwangshiwendupiandi,tiaozhabiaomingzuijinlianyintian,pengneizaochenjin6-9℃的(de)氣(qi)溫(wen),從(cong)而(er)造(zao)成(cheng)寒(han)根(gen),黃(huang)瓜(gua)的(de)根(gen)呈(cheng)水(shui)漬(zi)狀(zhuang),似(si)凍(dong)壞(huai)的(de)白(bai)籮(luo)卜(bu)。溫(wen)度(du)偏(pian)低(di)還(hai)表(biao)現(xian)葉(ye)色(se)不(bu)正(zheng)常(chang),果(guo)實(shi)畸(ji)形(xing),特(te)別(bie)是(shi)冬(dong)季(ji)育(yu)苗(miao)期(qi),如(ru)果(guo)沒(mei)有(you)適(shi)宜(yi)的(de)溫(wen)度(du),將(jiang)影(ying)響(xiang)花(hua)芽(ya)分(fen)化(hua),造(zao)成(cheng)今(jin)後(hou)的(de)畸(ji)形(xing)果(guo),因(yin)此(ci)每(mei)年(nian)春(chun)節(jie)前(qian)的(de)番(fan)茄(qie)的(de)一(yi)穗(sui)果(guo)畸(ji)形(xing)果(guo)率(lv)偏(pian)高(gao)。因(yin)此(ci)一(yi)定(ding)要(yao)做(zuo)好(hao)保(bao)溫(wen)工(gong)作(zuo)。可(ke)以(yi)通(tong)過(guo)在(zai)夜(ye)間(jian)覆(fu)蓋(gai)保(bao)溫(wen)物(wu)如(ru)加(jia)蓋(gai)草(cao)苫(shan),或(huo)生(sheng)火(huo)爐(lu)等(deng)方(fang)法(fa)來(lai)提(ti)高(gao)棚(peng)內(nei)的(de)溫(wen)度(du)。這(zhe)裏(li)特(te)別(bie)需(xu)要(yao)指(zhi)出(chu)的(de)是(shi),棚(peng)室(shi)內(nei)切(qie)勿(wu)明(ming)火(huo)加(jia)溫(wen),要(yao)設(she)置(zhi)火(huo)道(dao),火(huo)道(dao)的(de)接(jie)口(kou)要(yao)封(feng)嚴(yan),以(yi)防(fang)有(you)害(hai)氣(qi)體(ti)泄(xie)漏(lou)到(dao)棚(peng)室(shi)內(nei),而(er)發(fa)生(sheng)人(ren)、菜中毒的事件。
二、光guang照zhao管guan理li光guang照zhao是shi直zhi接jie影ying響xiang棚peng室shi溫wen度du的de因yin素su,當dang光guang照zhao缺que乏fa時shi,也ye就jiu是shi大da霧wu或huo連lian陰yin天tian發fa生sheng時shi,棚peng中zhong缺que溫wen少shao光guang,蔬shu菜cai的de光guang合he作zuo用yong低di,植zhi株zhu衰shuai弱ruo,可ke表biao現xian落luo花hua落luo果guo,畸ji形xing、裂果。去年12月底,正定縣蟠桃村小番茄普遍發生裂果,發生於紅熟果上,就是是低溫、弱(ruo)光(guang)時(shi)果(guo)皮(pi)木(mu)栓(shuan)化(hua)加(jia)劇(ju),而(er)果(guo)肉(rou)繼(ji)續(xu)生(sheng)長(chang)時(shi)將(jiang)果(guo)皮(pi)撐(cheng)破(po)造(zao)成(cheng)的(de)。另(ling)外(wai)調(tiao)查(zha)發(fa)現(xian),黃(huang)瓜(gua)育(yu)苗(miao)期(qi)遇(yu)到(dao)連(lian)陰(yin)天(tian),為(wei)了(le)苗(miao)床(chuang)保(bao)溫(wen),棚(peng)室(shi)白(bai)天(tian)也(ye)不(bu)揭(jie)草(cao)簾(lian)子(zi),使(shi)苗(miao)床(chuang)整(zheng)天(tian)黑(hei)暗(an),由(you)於(yu)黑(hei)暗(an)之(zhi)中(zhong)幼(you)苗(miao)沒(mei)有(you)光(guang)合(he)物(wu)質(zhi)積(ji)累(lei),呼(hu)吸(xi)作(zuo)用(yong)較(jiao)強(qiang),體(ti)內(nei)營(ying)養(yang)消(xiao)耗(hao)大(da),抗(kang)寒(han)能(neng)力(li)就(jiu)弱(ruo),受(shou)凍(dong)的(de)程(cheng)度(du)比(bi)適(shi)當(dang)揭(jie)草(cao)簾(lian)給(gei)光(guang)的(de)幼(you)苗(miao)嚴(yan)重(zhong)。最(zui)近(jin)在(zai)鹿(lu)泉(quan)市(shi)黃(huang)瓜(gua)棚(peng)調(tiao)查(zha)發(fa)生(sheng)大(da)肚(du)瓜(gua),原(yuan)因(yin)就(jiu)是(shi)多(duo)日(ri)陰(yin)天(tian),沒(mei)有(you)拉(la)簾(lian)見(jian)光(guang),因(yin)此(ci)提(ti)倡(chang)不(bu)下(xia)雪(xue)的(de)陰(yin)天(tian)在(zai)棚(peng)溫(wen)允(yun)許(xu)的(de)條(tiao)件(jian)下(xia),也(ye)應(ying)適(shi)當(dang)利(li)用(yong)4-5個小時的散射光來給植物光照,或拉燈補光。
三、施shi肥fei管guan理li在zai鹿lu泉quan市shi調tiao查zha時shi發fa現xian,一yi個ge棚peng地di麵mian上shang有you大da塊kuai的de有you機ji肥fei,一yi方fang麵mian說shuo明ming肥fei料liao沒mei有you施shi到dao土tu中zhong供gong給gei植zhi株zhu使shi用yong,一yi方fang麵mian反fan映ying肥fei料liao是shi生sheng糞fen。因yin此ci目mu前qian有you機ji肥fei的de使shi用yong普pu遍bian存cun在zai未wei充chong分fen腐fu熟shu的de嚴yan重zhong問wen題ti。有you一yi種zhong“生糞有勁”的(de)說(shuo)法(fa),其(qi)實(shi)是(shi)錯(cuo)誤(wu)的(de)。未(wei)腐(fu)熟(shu)的(de)雞(ji)糞(fen)中(zhong)的(de)尿(niao)酸(suan)及(ji)胺(an)類(lei)化(hua)合(he)物(wu),澆(jiao)水(shui)後(hou)分(fen)解(jie)為(wei)氨(an)氣(qi),導(dao)致(zhi)葉(ye)子(zi)受(shou)害(hai)水(shui)漬(zi)狀(zhuang),後(hou)葉(ye)幹(gan)枯(ku)的(de)氨(an)害(hai)。另(ling)外(wai)肥(fei)料(liao)過(guo)多(duo),根(gen)係(xi)受(shou)害(hai),即(ji)我(wo)們(men)常(chang)說(shuo)的(de)燒(shao)根(gen)。還(hai)有(you)一(yi)個(ge)更(geng)為(wei)嚴(yan)重(zhong)的(de)後(hou)果(guo)就(jiu)是(shi)短(duan)時(shi)間(jian)內(nei)大(da)量(liang)衝(chong)施(shi)肥(fei)料(liao),造(zao)成(cheng)土(tu)壤(rang)中(zhong)液(ye)體(ti)的(de)濃(nong)度(du)過(guo)高(gao),根(gen)係(xi)發(fa)生(sheng)反(fan)滲(shen)水(shui),植(zhi)株(zhu)脫(tuo)水(shui)而(er)出(chu)現(xian)問(wen)題(ti),如(ru)曾(zeng)經(jing)發(fa)生(sheng)黃(huang)瓜(gua)衝(chong)施(shi)肥(fei)料(liao)後(hou),出(chu)現(xian)生(sheng)長(chang)點(dian)青(qing)枯(ku)的(de)酸(suan)堿(jian)度(du)障(zhang)礙(ai)病(bing)情(qing)。此(ci)種(zhong)情(qing)形(xing)還(hai)可(ke)引(yin)發(fa)植(zhi)株(zhu)萎(wei)蔫(nian)死(si)亡(wang)。而(er)生(sheng)糞(fen)會(hui)帶(dai)來(lai)許(xu)多(duo)蟲(chong)卵(luan)病(bing)菌(jun),可(ke)能(neng)棚(peng)裏(li)原(yuan)來(lai)沒(mei)有(you)某(mou)種(zhong)病(bing)蟲(chong),又(you)沒(mei)有(you)種(zhong)子(zi)或(huo)其(qi)它(ta)傳(chuan)播(bo)可(ke)能(neng)的(de)情(qing)況(kuang)下(xia),糞(fen)肥(fei)就(jiu)足(zu)以(yi)將(jiang)病(bing)蟲(chong)帶(dai)入(ru)棚(peng)內(nei),並(bing)且(qie)蔓(man)延(yan)開(kai)來(lai)。如(ru)常(chang)見(jian)的(de)茄(qie)子(zi)黃(huang)萎(wei)病(bing)就(jiu)是(shi)施(shi)入(ru)未(wei)腐(fu)熟(shu)帶(dai)菌(jun)肥(fei)料(liao)傳(chuan)染(ran)造(zao)成(cheng)傳(chuan)染(ran)的(de)。
四、澆水管理蔬菜的各個時期需水量不同,不同蔬菜的需水量也不同,如黃瓜、白菜的葉麵積大,但根係不強大,應經常澆水。茄果類、豆類根係比黃瓜、baicaishen,xishounengliqiang,jiaoshuiliangyingshaoxiaoyidian。shucaidedingzhihuanmiaoqijunyaojingguodunmiao,qizuoyongshitingzhijiaoshuishiturangshusongtouqi,cujingenxifayu,huayafenhua,dangdunmiaojieshuhou,caigongyingchongzushuifei。rufanqiedunmiaodaodiyisuiguohetaoda,dunmiaoqijiankongshui、控肥。蔬菜果期的澆水經驗是在植株根圍下5厘(li)米(mi)抓(zhua)一(yi)把(ba)土(tu),手(shou)握(wo)成(cheng)團(tuan),從(cong)一(yi)米(mi)處(chu)落(luo)下(xia),散(san)開(kai)應(ying)澆(jiao)水(shui),落(luo)地(di)不(bu)散(san)開(kai)時(shi)不(bu)澆(jiao)水(shui)。而(er)土(tu)壤(rang)過(guo)幹(gan)旱(han),造(zao)成(cheng)最(zui)常(chang)見(jian)的(de)病(bing)害(hai)是(shi)番(fan)茄(qie)的(de)臍(qi)腐(fu)病(bing),雖(sui)然(ran)根(gen)本(ben)原(yuan)因(yin)是(shi)植(zhi)株(zhu)缺(que)鈣(gai),但(dan)問(wen)題(ti)出(chu)在(zai)土(tu)壤(rang)過(guo)幹(gan)影(ying)響(xiang)根(gen)係(xi)吸(xi)收(shou),並(bing)不(bu)是(shi)土(tu)壤(rang)中(zhong)缺(que)乏(fa)鈣(gai)元(yuan)素(su);澆jiao水shui過guo多duo會hui發fa生sheng心xin葉ye黃huang,原yuan因yin是shi水shui大da悶men根gen,也ye就jiu是shi土tu壤rang中zhong缺que氧yang氣qi。但dan以yi上shang講jiang的de是shi常chang規gui時shi期qi的de澆jiao水shui,冬dong季ji發fa生sheng長chang期qi寡gua光guang照zhao的de不bu良liang氣qi候hou時shi,澆jiao水shui的de原yuan則ze就jiu要yao改gai變bian,因yin為wei本ben來lai地di溫wen就jiu低di,根gen係xi往wang往wang已yi經jing受shou到dao傷shang害hai,再zai澆jiao水shui加jia重zhong對dui根gen的de傷shang害hai,如ru最zui近jin鹿lu泉quan的de黃huang瓜gua發fa生sheng萎wei蔫nian,一yi些xie農nong戶hu認ren為wei是shi缺que水shui,觀guan察cha表biao明ming棚peng溫wen白bai天tian有you太tai陽yang時shi才cai20℃,陰天時才6-9℃,wendubushiyihuangguashengchang,chuxianyezihuang,zhizhuruo,jiaoguoshuihoubingzhenggenbenmeiyoujianqing,huangguarengranweinian。erqitapengshiqingtianyemianpenshui,duizhizhuyoujianqingweiniandezuoyong。
五、防病治蟲用藥管理保護地生產蔬菜處於特殊環境,溫度、濕度和土壤如沒有調控合適,即使封閉時外界病蟲不能傳入,土壤、種zhong子zi自zi身shen也ye帶dai菌jun,這zhe種zhong環huan境jing雖sui然ran不bu利li於yu蔬shu菜cai生sheng長chang,但dan卻que十shi分fen利li於yu病bing害hai蟲chong害hai的de繁fan殖zhi,特te別bie是shi生sheng理li性xing病bing害hai的de發fa生sheng更geng是shi比bi露lu地di嚴yan重zhong。因yin此ci保bao護hu地di蔬shu菜cai病bing害hai發fa生sheng比bi露lu地di更geng普pu遍bian、pinlvgenggao,xuyaofangzhidecishugengduo。danyongyaoshoudaobaohudigexiangtiaojiandexianzhi,rulianyintianweikongzhishidu,yibanbunengpenwu,genbuguanyaoyeshouxianzhi。ershenglixingbinghaideyongyaoyidingyaozhuyixietiaoxing,yinweizhizhubijiaoruo,yongyaobudanzhenduibingzhengbenshen,haiyaokaolvzhizhuxishounengliheyubingzhengzhiwaideyingxiangyinsu。fangzhifangmianyingxietiaoduozhongfangfa,shouxianfangzhongyuzhi,ruyibingyufangyongkejia,fabingqianyongliangci;dier,zuohaozhongzichuli,ruquniandongjideshucaibingdubingfashengbiwangnianyanzhong,qizhuyaoyuanyinshizhongzidaidu,rulajiaofashengyanzhongbingdubing,suiranzhongzishibaoyichuliguo,danmeiyouzhenduibingduzuowentangjinzhonghuo10%磷酸三鈉處理,所以仍然發病;第三,土壤、棚室的以及工具消毒也重要,番茄葉黴等病菌就會在棚內的支架等地存活,土壤的病菌可以存活好多年,如根結線蟲存活2-3年;disi,jiaotilunhuanyongyao,bimiankangyaoxingdechansheng,ruhuimeibingdeyongyao,youyulianxuduoniandanyongsukeling,bingjunchanshenglemingxiankangyaoxing,yinggaihuanqitayaoji,rushijiale、防黴寶等;第五,多種方法並舉,如煙粉虱防治利用煙粉虱對深黃色有強的趨性,在田間掛上深黃色板,再塗上10號機油,板下沿與植株頂平行。10天清一次誘到的小白蛾,再重塗機油。另外用熏煙劑與噴藥結合殺蟲,交叉用2-3ci。haiyouyigezuizhongyaodefangmianshiweiquebaowugonghaishucaishengchan,duihunpeiyaojishiyongyaoshenzhong,zuijinyidijianceshucaizhiliangjiufaxianhunpeiyaojizhongyoujinyongchengfen。yincixuanyaoshiyongzhengguichangjiachanpin,conglaimeiyouyongguodechanpinkexiaofanweishiyanyongyixia。
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