一、改進育苗方法
利用人工控溫育苗方法,如電熱溫床和工廠化育苗等,是解決秧苗受凍問題的有效措施。
二、增強秧苗抗寒力,避免秧苗徒長
zaihanliulailinqianjinliangjiequfugaiwu,rangmiaoduozhaoguanghejieshouduanlian。zaiyuxuediwenqijian,jinliangliyongtianqifangqingjianxi,jiediaocaoshan,ranglajiaomiaonengshoudaoyangguangzhaoshe。yuxuetinghouzhouranzhuanqingshi,zhongwuqianhouzaimiaochuangshangjiangegaijizhangcaoshan,bimianyangmiaoshishuiweinian。chuangtushiduda,yangmiaoyishoudonghai,suoyihanchaolailinqianyaokongzhimiaochuangjiaoshui,chuangtuguoshidekesayicenggancaomuhui。
三、平衡施肥
增施磷鉀肥,苗期使用抗寒劑。秧苗噴施0.5%~1%的紅糖或葡萄糖溶液,可增強抗寒力。在3~4葉期噴施2次(間隔7天)0.5%的氯化鈣溶液,增強抗寒性。
四、保溫防凍
hanchaoqijianyanmifugaimiaochuang。jinxingduanshijiantongfenghuanqishi,yaofangzhilengfengzhijiechuirumiaochuangneishangmiao。yewanyaojiagaicaolian。kejiangdaocaokuyesazaiyangmiaoshang,hanchaoguohouzaiqingchu。miaochuangshanggaidecaoshanyingganzao。zaixiaxuetian,xuetinghou,jishijiangxueqingchuchuyumiaochangdi。
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