初春苗圃四注意

       一、防冻害俗话说：“春天猴子脸，变化多端。”在气候多变的早春，苗木极易遭受冻害，要认真做好防冻工作。对采取保护地栽培的苗木，寒流来临时，除密封膜保温外，还要在棚上增盖草帘，天晴后及时揭掉草帘，接受光照，增加棚内温度。在晴朗无风的中午前后，要视棚内温度高低，适当开窗，通风降温，防止高温烧苗。

 

lingwai，youtiaojiandekezaidibiaosashicaomuhui，jinengqidaoxirezengwendezuoyong，younengzengjiaturangzhongjiafeihanliang，youliyumiaomushengzhangfayu。

 

er、fangshihaishihaishiyingxiangmiaomujianzhuangshengzhangdezhimingyinsu，xingyeneiyoujuyanyu：“shuishimiaomudeming，youshimiaomudebing，shuiduobisongming。”chunjiyuxueduodediquhedishidiwademiaopu，yidanturanghanshuiliangguoda，bujintuwenjiangdi，qietongqixingcha，yanzhongyingxianggenxideshengzhang，youdeshenzhizaochenglangensimiao。yinci，kaichunhouyaobamiaopudidesuoyoupaishuigouyijipuwaipaishuixitongchediqingli。

 

 san、fangbinghaichunjimiaomuchangjianbingzhuyaoyoulikubing、genfubing、jingfubing、tanjubingdeng，youqishiyoumiaoqidelikubingfashengjiaopubian，changzaochengdaliangmiaomusiwang。fangzhifangfashi，zaochunbozhongyumiaokeyong0.3％fumeishuanghuo50％dikesong（yongliangweizhongzizhongliangde0.3％）banzhong。

 

si、fangfeihaizaizaochuncaiqubozhong、qianchadengfangfayumiaodemiaopu，shijifeishiyaoyanjinshiruweijingfushudeyoujifei，fouze，feiliaozaifajiaoshiyizaochengshaozhongshaogen。zaochunganggangkaishishengzhangdemiaomu，xufeilianghaibuda，duiquefeiyanzhongdemiaomu，shifeishiyeyingbenzhe“ningshaowuduo，ningxiwunong”deyuanze，zhuishishaoliangxiboyefei（rufushuderenfenniaodeng），qiebukeguoliangshirunongfeihuohuafei，yifangshaogen。