Distribution Changes of Acid Hydrolysable N in Cinnamon Soil and Its Micro-aggregates Under the Different Fertilization Systems

ZHANG Dian-xue; HAN Zhi-qing; WANG Qiu-bing; WU Su-xia; CHANG Lian-sheng; XIE Xin-yu; YANG Hui-min

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Distribution Changes of Acid Hydrolysable N in Cinnamon Soil and Its Micro-aggregates Under the Different Fertilization Systems

更新时间：2024-11-07

- Distribution Changes of Acid Hydrolysable N in Cinnamon Soil and Its Micro-aggregates Under the Different Fertilization Systems
- Vol. 25, Issue 6, (2011)
- 作者机构：
  
  1. 河北科技师范学院生命科技学院
  2. 沈阳农业大学土地与环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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ZHANG Dian-xue, HAN Zhi-qing, WANG Qiu-bing, et al. Distribution Changes of Acid Hydrolysable N in Cinnamon Soil and Its Micro-aggregates Under the Different Fertilization Systems[J]. 2011, 25(6).
DOI：

ZHANG Dian-xue, HAN Zhi-qing, WANG Qiu-bing, et al. Distribution Changes of Acid Hydrolysable N in Cinnamon Soil and Its Micro-aggregates Under the Different Fertilization Systems[J]. 2011, 25(6). DOI：

摘要

通过8年定位试验

研究不同施肥制度下褐土及其微团聚体内酸解性氮变化规律

从各级微团聚体全氮和酸解性氮储量角度探讨不同施肥制度下土壤氮素肥力的变化实质。结果表明

不施肥处理主要是由于10～50μm粒级全氮和酸解性氮储量降低而造成土壤氮素肥力下降;单施常量NPK化肥处理有同样趋势;增量NPK化肥处理主要通过提高<10μm粒级全氮和酸解性氮储量使土壤全氮和酸解性氮含量不下降;有机肥(物)料配施常量NPK化肥处理则主要通过增加大粒级特别是10～50μm粒级全氮和酸解性氮储量、降低<10μm粒级酸不溶性氮储量而使土壤氮素肥力水平得到提高

猪厩肥效果好于玉米秸和麦秸直接还田。采用有机肥(物)料配施常量NPK化肥是改善土壤氮素肥力的有效措施。

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