增溫保溫措施
對於覆蓋草簾較少、後(hou)牆(qiang)較(jiao)薄(bo),保(bao)溫(wen)性(xing)差(cha)的(de)棚(peng)室(shi),要(yao)增(zeng)加(jia)草(cao)簾(lian)的(de)鋪(pu)蓋(gai)厚(hou)度(du),盡(jin)量(liang)使(shi)用(yong)雙(shuang)層(ceng)簾(lian),在(zai)草(cao)簾(lian)上(shang)加(jia)蓋(gai)防(fang)雨(yu)雪(xue)塑(su)料(liao)薄(bo)膜(mo),保(bao)持(chi)草(cao)簾(lian)幹(gan)燥(zao)。溫(wen)室(shi)內(nei)溫(wen)度(du)如(ru)低(di)於(yu)6℃,應采用燒爐子的方法加溫;黃瓜、西紅柿果菜類蔬菜以保根、保秧、保存活為主。
重視災害性天氣管理
連lian陰yin天tian的de管guan理li。遇yu到dao連lian陰yin天tian,隻zhi要yao溫wen度du不bu是shi很hen低di,就jiu要yao揭jie開kai草cao簾lian,如ru有you短duan時shi間jian露lu出chu太tai陽yang,棚peng室shi內nei溫wen度du就jiu會hui升sheng高gao。在zai溫wen室shi內nei後hou牆qiang上shang張zhang掛gua反fan光guang幕mu,陰yin天tian時shi也ye會hui起qi到dao增zeng光guang和he提ti溫wen的de作zuo用yong。保bao持chi室shi溫wen夜ye間jian不bu低di於yu10℃,爭取晴天後牆多存儲熱量,白天溫度控製在25℃~28℃,大於30℃要及時防風。冬季陰天較多時應提早覆蓋地膜,能提高地溫,減少低溫凍害的發生。
久陰乍晴後的管理
長時間陰、霧(wu)天(tian)氣(qi),一(yi)旦(dan)晴(qing)天(tian),蔬(shu)菜(cai)蒸(zheng)騰(teng)作(zuo)用(yong)加(jia)強(qiang),根(gen)部(bu)吸(xi)收(shou)跟(gen)不(bu)上(shang),晴(qing)天(tian)後(hou)會(hui)大(da)量(liang)死(si)苗(miao),首(shou)先(xian)要(yao)注(zhu)意(yi)遮(zhe)蓋(gai)草(cao)簾(lian),防(fang)止(zhi)閃(shan)苗(miao)。轉(zhuan)晴(qing)後(hou)氣(qi)溫(wen)回(hui)升(sheng)快(kuai),秧(yang)苗(miao)會(hui)急(ji)劇(ju)萎(wei)蔫(nian),從(cong)上(shang)午(wu)10點左右應注意秧苗變化,采取適度遮蓋草簾、向棚內噴清水(或葉麵肥)等deng措cuo施shi。其qi次ci在zai晴qing天tian後hou,盡jin量liang少shao澆jiao水shui,必bi須xu使shi根gen係xi恢hui複fu活huo力li後hou再zai澆jiao水shui,否fou則ze易yi造zao成cheng漚ou根gen死si苗miao。如ru需xu澆jiao水shui追zhui肥fei,應ying澆jiao小xiao水shui,隨sui水shui施shi入ru速su溶rong性xing肥fei料liao,濃nong度du要yao小xiao。最zui後hou晴qing天tian後hou用yong促cu生sheng根gen藥yao劑ji灌guan根gen,葉ye麵mian噴pen施shi多duo元yuan素su微wei肥fei,彌mi補bu根gen係xi吸xi收shou的de不bu足zu。
降雪天氣的管理
baitianjiangxue,yidingyaobacaolianjuanqi,xuetinghoulijiqingsaopengmoshangjixue,wenshizhongpojiaonanqingsaodebuwei,yongguanghuademugunqingqingwangxiagua,jinliangbuhuapopengmo。yejianjiangxue,gengyaozhuyijishiqingchucaolianshangjixue,yingtiqianyongsuliaomobacaolianbaohao,fangzhicaolianxishui,zaochengpengtifudanguozhongshigongjianiuqu,shenzhidaota。
大風天氣管理
當dang棚peng膜mo有you鼓gu起qi現xian象xiang時shi,要yao立li即ji拴shuan緊jin壓ya膜mo線xian或huo放fang下xia部bu分fen草cao簾lian壓ya在zai溫wen室shi前qian屋wu麵mian的de中zhong部bu。夜ye間jian遇yu到dao大da風feng,最zui好hao在zai溫wen室shi前qian底di腳jiao橫heng蓋gai一yi層ceng草cao簾lian,再zai用yong石shi塊kuai壓ya牢lao。
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