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入冬后该为你的苗木做些什么?

更新时间:2020-12-28 10:44:55点击次数:628次字号:T|T
秋冬时节,天气渐凉,气温下降,空气干燥,许多绿化苗木都已逐渐进入休眠期,生长活动也不如以往旺盛,做好秋冬季节的管理,为来年春季花木长势良好提供很好的契机。那么入冬后应对苗木做哪些工作呢?苗木的整形修剪尤为重要,也关系到来年春季苗木长势,根据苗木不同的应用目的,进行正确的整形修剪,既可调整树型,又可协调地上地下部分之间的关系,促进开花结果,还可消灭病虫害。其次。。。。。。

秋冬时节,天气渐凉,气温下降,空气干燥,许多绿化苗木都已逐渐进入休眠期,生长活动也不如以往旺盛,做好秋冬季节的管理,为来年春季花木长势良好提供很好的契机。那么入冬后应对苗木做哪些工作呢?

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再者就是合理追肥,冬前施肥要以农家肥和复合肥为主,不施或少施氮肥。追肥在海宁苗木生长侧根进行,针叶树种在苗木封顶前30天停止追施氮肥。如氮肥施入过量,会造成海宁苗木秋季枝条旺长,木质化程度低,抗寒能力下降。
其次苗木的树干涂白,抓住晴好天气用石灰加石硫合剂对枝干涂白,可以减小苗木向阳面因昼夜温差过大而受到的伤害,同时还可以杀死越冬的病虫害,一举多得。
还要为苗木的主干“穿衣”,对不耐寒的树木,要用草绳卷干或用稻草包裹主干和部分主枝来防寒,让树木在冬季到来之前穿上“棉衣”。刮皮涂药,冬初要趁早将树干、大枝及枝干分杈处的病皮、虫蛀皮等刮掉,集中烧毁或深埋,以消灭在树皮中越冬的病虫。设障御风,为抵御并减轻寒冷干燥的大风可能对树木造成的伤害,越冬前要在树木的上风方向架设防风墙。防风墙高度要超过树高。此外,防风墙要用木棍、竹竿等支撑固定,以防大风吹倒。
最后还要控水防冻,进入寒冷季节后,要严格控制水份供应,如果树体含水量过大,一旦遇到低温,树体就会结冰膨胀,造成树皮开裂,导致苗木死亡,除特别干旱外,一般不需浇灌。有关苗木防冻管理简单总结为以下几点:

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天天赢彩票 SISHIJIAFENGZHANG。WEIJIANSHAOHANLENGGANZAODEDAFENGCHUIXIJISHUMUZAOCHENGDESHANGHAI,KEYIZAISHUMUDESHANGFENGFANGXIANGJIASHEFENGZHANG。FENGZHANGCAILIAOCHANGWEIGAOLIANGGAN、YUMIGANHUOLUWEI,KUNBIANCHENGLI,QIGAODUYAOCHAOGUOSHUGAO。CIWAI,FENGZHANGHAIYAOYONGMUGUN、ZHUGANDENGZHICHENG,YIFANGDAFENGCHUIDAO。

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天天赢彩票 JIUSHIJIANCHISHIDISHISHUDEYUANZE,XUANYUHEZAIZHIKANGHANNENGLIQIANGDEMIAOMU,BUMANGMUYINZHONGBUNAIHANMIAOMU。

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