做好防雨工作防雨水進棚
meinian,douyoudaliangdeshucaipengshiyinweifanghubudang,yushuijinziershousun,youqishizhongzhishucaiduoniandelaopeng,changyinyushuidaoguanjinpengertanta。yinci,yidingyaocaiqucuoshizuohaofangyugongzuo。
一要提前挖好排水渠防雨水倒灌。可在棚室前臉處挖一條與棚室等長的排水溝,寬約0.5米,深約30厘米,好讓棚室上留下的水隨時流走。
二er要yao覆fu蓋gai薄bo膜mo或huo無wu紡fang布bu,避bi免mian棚peng室shi後hou牆qiang及ji東dong西xi山shan牆qiang遭zao雨yu水shui浸jin透tou。棚peng體ti覆fu蓋gai薄bo膜mo或huo無wu紡fang布bu,雨yu水shui順shun流liu而er下xia,不bu會hui浸jin濕shi棚peng體ti,也ye能neng防fang風feng。由you於yu薄bo膜mo老lao化hua速su度du快kuai,且qie容rong易yi被bei劃hua破po,因yin此ci在zai大da雨yu來lai臨lin前qian,還hai要yao隨sui時shi查zha看kan後hou牆qiang覆fu蓋gai薄bo膜mo的de情qing況kuang,確que保bao不bu漏lou水shui。
加固棚體防大風危害
大風來襲,棚膜很容易被掀掉、扯壞,特別是拱棚的棚膜,受害更嚴重,設施老化的拱棚甚至能被大風吹塌,建議菜農加強預防。
yiyaojiagupengti,xiubupengmo。henduojiupengshuinilizhubufenzheduan,zhuganlaojiu,pengmoposunduo,kangfengnenglicha,dafenglailinqianyingzhuyipengtihepengmodeweihu。duiyuzheduandelizhuhezhongdianbuweiyaojishijinxingjiagu,genghuanjiuzhugan,zengqiangkangfengnengli,tongshizhuyijianzhapengmoposunqingkuang,youloudongdejishixiubu。
二要增設壓膜繩。增加壓膜繩的數量,固定好棚膜,並在門口設置雙層薄膜,把拱棚出入口封堵嚴密,阻止氣流進入。
覆蓋防蟲網或遮陽網減輕冰雹危害
冰雹來臨前,及時覆蓋與棚室等長、dengkuandefangchongwanghuozheyangwang,binglajin,shifangchongwanghuozheyangwangyupengmobiaomianbaochiyidingjuli,kejianqingbingbaoduipengmodechongji,bimianpengmobeibingbaozapo。pengmoyidanbeizapo,yaojishijinxingzhanbu,yifangyushuijinpeng。lingwai,bingbaojinpenghou,jianqideyuninengzhegaiyoumiao,geishucaizaochengjixiesunshang,chulejishilinxiyepianshangdeyuniwai,haiyaojinjiezhepenshiyicishajunjiheyemianfei,fangzhibingjuncongzhizhushangkouqinru,tongshichongshishenggenleifeiliao,cushishucaijinkuaihuifuchangshi。
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