白茹;李丙智;张林森;高登涛;

• 1:西北农林科技大学园艺学院
• 2:西北农林科技大学园艺学院
• 3:西北农林科技大学园艺学院
• 4:西北农林科技大学园艺学院 陕西杨凌712100

摘要(Abstract)：

为进一步研究果园土壤硝态氮的累积及分布情况,在陕西渭北主要苹果产区分别采集了0～120cm土壤剖面样品,测定了土壤硝态氮含量,分析了不同因素对果园土壤硝态氮累积的影响。结果表明,氮肥的大量施用会造成硝态氮在土壤中的累积,而配施有机肥、地表生草、合理的种植密度均可减少硝态氮的累积量。灌溉可加速硝态氮向地下的淋洗。研究为采取有效措施控制和减少果园土壤中的硝态氮累积量提供了理论依据。

关键词(KeyWords)： 苹果园;硝态氮累积;影响因素

Abstract:

Keywords:

基金项目(Foundation): 农业部948项目(2006-G28)

作者(Author): 白茹;李丙智;张林森;高登涛;

Email:

DOI:

参考文献(References)：

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