科學覆蓋。充分利用當地現有的保護地設施進行覆蓋栽培。夏季利用架材覆蓋遮陽時,不宜進行全棚覆蓋,一般在棚側1~1.5米(mi)的(de)地(di)方(fang)不(bu)蓋(gai)遮(zhe)陽(yang)網(wang),以(yi)利(li)通(tong)風(feng),防(fang)止(zhi)爛(lan)秧(yang)。浮(fu)麵(mian)覆(fu)蓋(gai)遮(zhe)陽(yang)網(wang),一(yi)般(ban)隻(zhi)限(xian)在(zai)蔬(shu)菜(cai)播(bo)種(zhong)後(hou)至(zhi)發(fa)芽(ya)前(qian)進(jin)行(xing),出(chu)苗(miao)後(hou)應(ying)及(ji)時(shi)支(zhi)起(qi),改(gai)用(yong)棚(peng)型(xing)覆(fu)蓋(gai)。浮(fu)麵(mian)覆(fu)蓋(gai)時(shi),遮(zhe)陽(yang)網(wang)的(de)寬(kuan)度(du)應(ying)留(liu)有(you)充(chong)分(fen)的(de)餘(yu)地(di),蓋(gai)好(hao)後(hou)用(yong)尼(ni)龍(long)繩(sheng)將(jiang)遮(zhe)陽(yang)網(wang)四(si)周(zhou)固(gu)緊(jin)、紮牢,防止被風吹落。
jiaqiangguanli。xiajishiyongzheyangwangfugaizaipeidezhuyaomudeshizheguanghejiangwen,qizhongyizheguangweizhu。jiegaizheyangwangyaogenjutianqiqingkuanghebutongshucaizhongleidebutongshengyuqiduiguangzhaoqiangduhewendudeyaoqiu,linghuozhangwo。yibanshiqingtiangai,yintianjie;早晨蓋,傍晚揭;前期蓋,生長後期揭。具體規程如下:(1)播(bo)種(zhong)至(zhi)出(chu)苗(miao)前(qian)采(cai)用(yong)浮(fu)麵(mian)覆(fu)蓋(gai),出(chu)苗(miao)後(hou)於(yu)傍(bang)晚(wan)揭(jie)網(wang),如(ru)露(lu)地(di)栽(zai)培(pei)需(xu)支(zhi)架(jia)搭(da)棚(peng),次(ci)日(ri)日(ri)出(chu)後(hou)將(jiang)遮(zhe)陽(yang)網(wang)蓋(gai)在(zai)棚(peng)架(jia)上(shang)。移(yi)栽(zai)的(de)幼(you)苗(miao)在(zai)成(cheng)活(huo)前(qian)也(ye)可(ke)進(jin)行(xing)浮(fu)麵(mian)覆(fu)蓋(gai),白(bai)天(tian)蓋(gai),晚(wan)上(shang)揭(jie),幼(you)苗(miao)恢(hui)複(fu)生(sheng)長(chang)後(hou)進(jin)行(xing)棚(peng)架(jia)覆(fu)蓋(gai)。(2)中午前後光照強、溫度高以及下暴雨時要及時蓋網;清晨及傍晚或連續陰雨天氣、溫度不高、光照不強時及時揭網。(3)采收前5~7天應揭去遮陽網,以免葉色過淡,品質降低。
tuoshanshouzang。zheyangwangkeduociliyong,tuoshanshouzangkeyanchangqishiyongshouming。shouzangshi,yixuanyintianjiangwangliangganjuanqi,ludifumianfugaide,daichenluganhouzaijiewangjuanqi。zheyangwangyaobimiannijiangwuran,rubeiwuran,keyongpenwuqiqingxi,liangganhoushouqi。zheyangwangyaofangzaitongfeng、避光處貯藏,並貯放在架子上,注意防蟲蛀和鼠咬。
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