zhuazhuqinghaotianqiyongshihuijiashiliuhejiduizhigantubai,keyijianxiaomiaomuxiangyangmianyinzhouyewenchaguodaershoudaodeshanghai,tongshihaikeyishasiyuedongdebingjunhechongluan,yijuduode。
主幹“穿衣”
對不耐寒的苗木,要用草繩卷幹或用稻草包裹主幹和部分主枝,讓苗木在冬季到來前穿上“棉衣”,以防止凍害。
刮皮塗藥
冬初要趁早將苗木主幹、大枝及枝幹分杈處的病皮、蟲蛀皮等刮掉,並集中燒毀或深埋,以消滅在其中越冬的病菌和蟲卵。刮皮深度以皮層微露黃綠色為宜,在傷口處塗抹5~10波美度石硫合劑,以保護傷口。
設障禦風
為wei抵di禦yu並bing減jian輕qing寒han冷leng幹gan燥zao的de大da風feng可ke能neng對dui苗miao木mu造zao成cheng的de傷shang害hai,越yue冬dong前qian要yao在zai苗miao圃pu的de上shang風feng方fang向xiang設she防fang風feng障zhang。防fang風feng障zhang高gao度du要yao超chao過guo苗miao木mu的de高gao度du。此ci外wai,防fang風feng障zhang要yao用yong木mu棍gun、竹竿等支撐固定,以防被大風吹倒。
控水防凍
jinrudongjihou,yaoyangekongshui,chutebieganhanwai,yibanbuxujiaoguan。yinweiruguoshutihanshuiliangguoda,yidanyudaodiwen,shutijiuhuijiebingpengzhang,zaochengshupikailie,daozhimiaomusiwang。
噴藥滅害
苗木落葉後要噴施一次 5波美度石硫合劑加五氯酚鈉200倍液,以消滅越冬的病菌和蟲卵。
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