发布时间:2025-01-23 13:36:02
石楠为深根性树种,对土壤要求不高,比较喜欢肥沃、疏松、湿润、微酸性砂质壤土。但种植区土质黏重,松土浅,土层表层裂开,都能导致不发新根或新发的毛细根断掉。
建议按照以下几点措施养护
1) 将围堰加宽,日常松土深度要达到7-10公分,并把表层的大土块整理成细碎的土层。针对现在的土壤湿度,可10-15天傍晚浇水,一次浇透。
2) 坚持每天向树干上喷水,一天3-4次 ,避免中午高温喷水,否则更易灼伤叶片。
3) 目前石楠叶子簇缩是一种自我保护现象,能够减少水分蒸发。为促进展叶,可喷施万木春和磷酸二氢钾。
4) 喷快活林蒸腾抑制剂减少树木水分蒸发。(快活林蒸腾抑制剂能不均匀地关闭叶片气泡,降低蒸腾作用,减少水分蒸发)。
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