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溫室大棚如何抗臺風天氣,避免農主不受損失

  隨著天氣不斷變化,特別是最近很多地區受臺風天氣的影響,周遭刮起了大風,大風其實是對溫室大棚種植有很大影響的,很容易毀壞大棚,眾智鑫服務的溫室大棚遍布全國各地,在長期(qi)的(de)維護過(guo)程中,也積(ji)累了很多的(de)經驗,那今天(tian)眾智鑫就來(lai)教大家幾個溫(wen)室大棚防風(feng)的(de)方法。

  (一)嚴封門洞(dong):大風來時,要嚴禁(jin)氣流沖入,特(te)別是門洞(dong)開在溫室(shi)大棚后墻(qiang)和溫室(shi)西面的(de),要準備(bei)封嚴門洞(dong)的(de)材料;

  (二)卷(juan)簾(lian)(lian)機(ji)防風:一般(ban)情況下(xia)將(jiang)卷(juan)簾(lian)(lian)機(ji)卷(juan)停(ting)在采光(guang)(guang)面中部略向上(shang)的位置抗風效(xiao)果(guo)最好,并將(jiang)卷(juan)簾(lian)(lian)機(ji)卷(juan)軸兩頭(tou)用(yong)鐵絲連(lian)接(jie)(jie)山墻地錨(mao)加(jia)(jia)(jia)固(gu),在棉(mian)(mian)被(bei)外用(yong)加(jia)(jia)(jia)固(gu)繩(sheng)連(lian)接(jie)(jie)天錨(mao)、地錨(mao)進行加(jia)(jia)(jia)固(gu)。但冬(dong)季(ji)大風時,卷(juan)簾(lian)(lian)機(ji)不(bu)能停(ting)在采光(guang)(guang)面上(shang),特別是夜(ye)間,沒(mei)有(you)棉(mian)(mian)被(bei)保溫(wen),溫(wen)室(shi)內溫(wen)度會降到(dao)0℃以下(xia)。要采用(yong)在棉(mian)(mian)被(bei)外用(yong)加(jia)(jia)(jia)固(gu)繩(sheng)連(lian)接(jie)(jie)天錨(mao)、地錨(mao)進行加(jia)(jia)(jia)固(gu);

  (三)棚(peng)(peng)(peng)膜(mo)要(yao)壓(ya)嚴:溫(wen)室(shi)中最(zui)易被(bei)大(da)風(feng)(feng)(feng)損毀的(de)就(jiu)是棚(peng)(peng)(peng)膜(mo),這(zhe)是防風(feng)(feng)(feng)的(de)關鍵,通過壓(ya)膜(mo)線(xian)將棚(peng)(peng)(peng)膜(mo)壓(ya)成(cheng)波(bo)浪式的(de)結構,大(da)風(feng)(feng)(feng)來(lai)時(shi)(shi),可以(yi)保(bao)證溫(wen)室(shi)棚(peng)(peng)(peng)膜(mo)不(bu)(bu)(bu)上(shang)下(xia)波(bo)動(dong),較為穩固,壓(ya)膜(mo)線(xian)壓(ya)不(bu)(bu)(bu)緊,大(da)風(feng)(feng)(feng)來(lai)時(shi)(shi),棚(peng)(peng)(peng)膜(mo)平展,但(dan)上(shang)下(xia)波(bo)動(dong),較易損毀;同時(shi)(shi)棚(peng)(peng)(peng)膜(mo)各(ge)邊(bian)要(yao)壓(ya)嚴,確保(bao)不(bu)(bu)(bu)灌風(feng)(feng)(feng),溫(wen)室(shi)內(nei)灌風(feng)(feng)(feng)是溫(wen)室(shi)損毀的(de)主(zhu)要(yao)原因(yin)。風(feng)(feng)(feng)力(li)特大(da)的(de)地區,迫不(bu)(bu)(bu)得已時(shi)(shi)可用小(xiao)竹竿綁鋼架,壓(ya)棚(peng)(peng)(peng)膜(mo)抗風(feng)(feng)(feng),但(dan)會(hui)使棚(peng)(peng)(peng)膜(mo)上(shang)形(xing)成(cheng)許(xu)多小(xiao)洞(dong)影(ying)響(xiang)保(bao)溫(wen);

  (四)壓緊壓膜(mo)(mo)線(xian):保(bao)證大棚壓膜(mo)(mo)線(xian)壓緊,嚴禁(jin)用細繩簡單(dan)敷衍了事(shi),或壓膜(mo)(mo)線(xian)數量不夠,隔幾個鋼(gang)架拉一(yi)(yi)道(dao)都是不行的。最好在(zai)每一(yi)(yi)道(dao)壓膜(mo)(mo)線(xian)上加(jia)一(yi)(yi)個小(xiao)型緊線(xian)器,很容易拉緊且可以快速(su)操作;

  (五)溫(wen)室灌(guan)(guan)風(feng)(feng):當(dang)溫(wen)室出現灌(guan)(guan)風(feng)(feng)時(shi),灌(guan)(guan)風(feng)(feng)較(jiao)小時(shi),要(yao)先處(chu)(chu)理灌(guan)(guan)風(feng)(feng)位置,壓嚴灌(guan)(guan)風(feng)(feng)處(chu)(chu)。當(dang)灌(guan)(guan)風(feng)(feng)較(jiao)大時(shi),先在溫(wen)室下風(feng)(feng)處(chu)(chu)打開(kai)適當(dang)的(de)風(feng)(feng)口,讓風(feng)(feng)能順利流出,避免(mian)鼓損(sun)棚膜,然后再壓嚴灌(guan)(guan)風(feng)(feng)處(chu)(chu),關閉下風(feng)(feng)處(chu)(chu)打開(kai)的(de)風(feng)(feng)口;

  (六)后(hou)屋(wu)(wu)面處理:許多溫室后(hou)屋(wu)(wu)面處理達不(bu)到要(yao)求,要(yao)保(bao)證后(hou)屋(wu)(wu)面的(de)厚(hou)度,確保(bao)不(bu)能(neng)從后(hou)屋(wu)(wu)面向溫室內灌風(feng)。要(yao)適當加(jia)土抗(kang)風(feng),當氣溫升到不(bu)結(jie)冰時,在后(hou)屋(wu)(wu)面上灑水拍實或草泥抹面;

  (七)保溫被(bei)加(jia)固:棉(mian)(mian)(mian)被(bei)間(jian)除卷簾機棉(mian)(mian)(mian)被(bei)都要(yao)連接成整體,可用(yong)縫麻袋的彎針進行縫合,后屋(wu)面壓棉(mian)(mian)(mian)被(bei)處要(yao)封嚴(yan),山墻(qiang)棉(mian)(mian)(mian)被(bei)邊也(ye)要(yao)封嚴(yan),不(bu)能讓風(feng)從棉(mian)(mian)(mian)被(bei)下(xia)灌入。特大(da)風(feng)地區或冬(dong)季(ji)有風(feng)地區要(yao)準備加(jia)固繩(sheng),在(zai)棉(mian)(mian)(mian)被(bei)外用(yong)加(jia)固繩(sheng)連接天錨、地錨進行加(jia)固。