噴灑清水或抑蒸劑 棚栽蔬菜和秧苗受輕微凍傷後2~3tian,zaizhongwuqianhouyaoduanqizheyang,bimianyinqiangguangzhaosheerturanshishuikusi,binggenjukongqishiduqingkuang,zaizhongwupensashaoliangqingshui,yitigaodibiaowenduheshidu,yizhishoudongzuzhituoshuiganku,cushishoudongzuzhixishui。zaihanchaolailinqian3~4天,搶晴天對蔬菜植株噴灑30~40倍液的石油抑蒸劑,在葉片上形成一層看不見的防寒膜,有利於降低葉片的蒸騰作用,保護蔬菜體溫,達到防寒的目的。
灌水保溫 duishoudonghoudeshucaiguanpaomashuihuojiaoshui,nengzengjiaturangrerongliang,fangzhidiwenjixuxiajiang,jianqingdonghai。jiaoshuiyaojiaozujiaotou,guanshuihuojiaoshuihou,zhuazhuqiwenhuishengdeyoulishiqi,songtubaowen。
整枝修剪 受(shou)凍(dong)後(hou),及(ji)時(shi)剪(jian)去(qu)被(bei)凍(dong)死(si)的(de)嫩(nen)梢(shao)嫩(nen)葉(ye)。辣(la)椒(jiao)苗(miao)即(ji)使(shi)苗(miao)端(duan)被(bei)凍(dong),若(ruo)護(hu)理(li)得(de)好(hao)還(hai)可(ke)以(yi)萌(meng)發(fa)側(ce)枝(zhi),取(qu)其(qi)中(zhong)一(yi)個(ge)壯(zhuang)枝(zhi)代(dai)替(ti)主(zhu)莖(jing),剪(jian)去(qu)其(qi)餘(yu)側(ce)枝(zhi)。露(lu)地(di)受(shou)凍(dong)的(de)小(xiao)芹(qin)菜(cai)整(zheng)枝(zhi)修(xiu)剪(jian)後(hou),也(ye)可(ke)萌(meng)發(fa)新(xin)葉(ye)。
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