乌恩,菅原和夫,云锦凤

• 1:内蒙古农业大学生态环境学院
• 2:东北大学大学院农学研究科
• 3:内蒙古农业大学生态环境学院 呼和浩特010019
• 4:仙台981-0914

摘要(Abstract)：

探讨了放牧因子与VA菌根的相互作用对鸭茅(Dactylis glomerataL.)养分吸收和生长发育的影响。菌根效应表现在不施磷肥条件下的鸭茅地上部生育与地上、地下部的磷素营养上,但对地上部生育的效应因刈割次数的增加而降低,对地上、地下部磷素营养的效应因土壤镇压而降低。菌根对鸭茅钙素营养的效应只见于不施磷肥条件下的土壤镇压处理,而在相同条件下菌根却降低了鸭茅的镁含量。说明VA菌根对鸭茅磷素营养和生长发育的效应与土壤磷营养有关,而且因地上部的过度采食和土壤镇压而降低。

关键词(KeyWords)： 放牧因子;VA菌根;相互作用;鸭茅;养分吸收;生长发育

Abstract:

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基金项目(Foundation):

作者(Author): 乌恩,菅原和夫,云锦凤

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