二、適時灌溉封凍水。在冬季埋防寒土的前10tian,yingguangaiyicifanghanshui,mudeshifangzhigenxidonghaihezaochunganhan。guanshuishiyidingyaoguanzu,yiturangdadaobaohezhuangtaiweibiaozhun。dengdimianturangshaoganshi,zaijinxingmaitufanghan。
三、jishixiajiahemaihaodiyicifanghantu。yinchudongzheduanshijianli,bujinwendujiaodi,erqiefenglijiaoda,putaojingzhidehanshuiliang,henrongyiyinfengchuierzhengfadiao。putaoluoyehoujishixiujian,ranhouyongcaoshengdengbazhimankunhao,dangqiwenlianxuwutianwendingzai2℃左右時,應埋防寒土。第一次埋土不要過多,以不露枝蔓為標準。
四、適時埋第二次防寒土。埋第二次防寒土,以氣溫降到0℃時進行較為理想,即在封凍前埋完第二次防寒土。在冬季地表以下80厘米處的地溫降到零下2℃的地區,防寒土厚為20厘米至30厘米,土壤溫度每降低1℃,埋土厚度增加10厘li米mi,隻zhi要yao按an照zhao這zhe個ge規gui律lv去qu做zuo,就jiu不bu會hui發fa生sheng凍dong害hai。為wei達da到dao更geng好hao的de防fang寒han效xiao果guo,在zai埋mai第di二er次ci防fang寒han土tu時shi,應ying先xian覆fu蓋gai玉yu米mi秸jie或huo草cao。這zhe樣yang可ke明ming顯xian提ti高gao葡pu萄tao根gen處chu的de溫wen度du。防fang寒han土tu的de寬kuan度du(底寬)不能小於1.2米,埋後用鍬稍拍即可。此外,防寒土的厚度還與當地的土質有關。
五、qutudidianhehuifengqutugou。zaiwafanghantushi,yidingyaozaiputaoshuzhuganliangcejinliangyuandexingjianqutu,budeligenbutaijin,yimianshihanlengqiliucongqutugouchuxiangputaoshugenbuqinxi,zaochengdonghai。youguangaitiaojiandedifangyingzaifengdonghoubaqutugouguanshuidongchengbing,zheyangjikefangzhilengqiqinru,jianshaodongtucengdehoudu,youyouliyugenxiyuedongheyichunfanghan。meiyouguangaitiaojiandedifang,yekeyongluancaodengwujiangqutugougaishang。
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