dongjiyuxuetianqijiaoduo,diwenguazhao,geidapengshucaishengchandailaileyanzhongyingxiang。mianduielietianqi,bufencainonghuoshushouwuce,huoguanlibudang,sunshijuda。name,yuxuetianqidapengshucaiguanlizhuyishixiangyounaxiene?
一、雨雪天管理
1.fanghaocaolian,jishiyahaofangxuemo,fangzhiyuxuedashicaolian,jiangdibaowenxingneng。lingwai,yintianshi,zuowudeguanghezuoyongruo,weijianshaoyingyangxiaohao,yejianwenduyingbipingshidi2℃左右。
2.連續雨雪三天以上時,盡量適當通風。風口不可超過10公分,通風時間30分鍾左右,連續2-3次,棚內溫度不會受太多影響,又可有效降低棚內濕度。當出現連續四五天不能拉草簾見光時,有條件的可在棚內加溫補光。
3.如果出現病害,可盡量堅持到天晴後用藥,若病情較重可用百菌清、速克靈等煙霧劑熏蒸,但用量不可隨意加大,應在平時用量的基礎上適當減少。
4.及時清除大棚上的積雪,一旦雪停應及時拉起草簾,通過雲層的散射光可使棚內溫度提高2-3℃,如再出現降雪,應及時蓋好草簾和防雪膜。
二、雨雪後管理
1、多日陰雪天氣的出現,會使棚內的溫度降低,植株生長嚴重受阻。一旦轉為晴天,棚內溫度迅速升高,葉片蒸騰加快;erturangdewenduyouyurechuliangda,shengwenhuanman,jiashangzuowugenxiquefayingyang,huolibugou,xishouyingyangjishuifendenengliyanzhongshouzu,zhizhurongyichuxianweinian,yanzhongshihuisiwang。yinci,jiuyinzhouqingyaozhuyihuishan,jidangzhizhuchuxianweinianshi,yingxunsujiangcaolianfangxia,daizhizhuhuifushizailakai。zheyangfanfujici,zhidaozhizhuhuifuzhengchang,weinianyanzhongdekefanfucaozuo1-3天,期間嚴禁澆水。
2.天氣驟晴,可在溫度高時及時噴灑清水,為葉片補充水分,防止萎蔫過度難以恢複。
3.及ji時shi通tong風feng,減jian緩huan棚peng內nei溫wen度du上shang升sheng,防fang止zhi溫wen度du迅xun速su升sheng高gao對dui作zuo物wu造zao成cheng危wei害hai。通tong風feng時shi風feng口kou不bu可ke過guo大da,防fang止zhi風feng大da閃shan苗miao,致zhi使shi葉ye片pian失shi水shui幹gan枯ku。溫wen度du回hui升sheng時shi可ke打da開kai風feng口kou10cm左右,通風約30分鍾,然後合上,溫度升高後再次重複。
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