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银杏幼树黄化的土壤原因及对策研究
蒋代华;陈佩琼;白厚义;李昆志;唐新莲;骆东奇
1.广西大学农学院;2.广西大学农学院 广西南宁530005;3.广西南宁530005
摘要:
通过果园调查、盆栽试验、大田验证试验及室内化验分析 ,找出银杏幼树黄化的主要原因是 :土壤有效养分缺乏 ;p H低、酸度大 ;有效铝含量高 ,存在铝毒危害。并提出了相应的防治措施 :即施用 N、P、K、石灰、有机肥、B、Zn肥料 ,可以防治银杏幼树黄化
关键词:  银杏幼树    黄化    土壤原因    对策
DOI:
分类号:
Fund project:世界银行贷款第二期红壤开发项目 (桂农业科字 1996 4 4号 )
Abstract:
Key words:  
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