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盆景松树叶子发黄怎么办
更新时间: 2020-06-30 00:00:00  

1、浇水过多。松树喜干恶湿,浇水分季节、地域;

2、土质问题。用排水良好的酸性砂壤土、烂岩砂或淡砂加少量腐叶土;

3、季节性发黄。冬季气温低,松叶色会有少许发黄,春回气暖即可复绿。针束下部老叶发黄是正常现象,属自然更新。针叶全部发黄甚至萎蔫,说明松树已遭受病害。如光、水、肥、烟、菌、虫等,都会导致松全株发黄,通过换土可减轻病害。换盆时要保持好原有土球,用竹筷轻轻剔除周围老土,并把盘旋于外围和盆底的密集老根剪去,以促发新根。

关键词: 盆景 松树 叶子 发黄 怎么办

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