核桃叶片早衰与叶片矿质元素含量的关系
2007-02-28分类号：S664.1
【部门】河北农业大学林学院 河北农业大学林学院 河北农业大学林学院 河北农业大学林学院 河北省临城县绿岭果业有限公司 保定071000 保定071000 保定071000 保定071000 临城054301
【摘要】In order to study the presenility pathogenesis of walnut leaves, changes of main mineral elements contents in presenility leaves at different stages and healthy leaves at the same stages were measured. The results showed that N contents in healthy leaves at different stages were 23.4,21.4,22.9,19.8 ...
【关键词】早实核桃 叶片早衰 矿质元素
【基金】河北省科技攻关项目(03230155D-1)的部分内容; 河北农业大学将帅基金资助
【所属期刊栏目】林业科学
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