薄层农田黑土全量碳及氮磷钾含量的空间异质性

张兴义; 隋跃宇; 张少良; 于同艳; 程伟

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薄层农田黑土全量碳及氮磷钾含量的空间异质性

试验研究

- 薄层农田黑土全量碳及氮磷钾含量的空间异质性
- Spatial Heterogeneities of Total Carbon, Nitrogen, Phosphorus and Potassium Content in Black Thin-layer Soil
- 水土保持通报 2008年27卷第2期页码：1-5
- 作者机构：
  
  中国科学院东北地理与农业生态研究所,黑龙江,哈尔滨,150081
- 作者简介：
- 基金信息：
  
  国家“十一五”科技支撑计划项目(2006BAD05B05);黑龙江省重大攻关项目(GB06B107-2)
- DOI：
  中图分类号：
- 纸质出版：2008
- 稿件说明：
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张兴义, 隋跃宇, 张少良, 等. 薄层农田黑土全量碳及氮磷钾含量的空间异质性[J]. 水土保持通报, 2008,27(2):1-5.

ZHANG Xing-yi, SUI Yue-yu, ZHANG Shao-liang, et al. Spatial Heterogeneities of Total Carbon, Nitrogen, Phosphorus and Potassium Content in Black Thin-layer Soil[J]. Bulletin of Soiland Water Conservation, 2008, 27(2): 1-5.
张兴义, 隋跃宇, 张少良, 等. 薄层农田黑土全量碳及氮磷钾含量的空间异质性[J]. 水土保持通报, 2008,27(2):1-5. DOI：

ZHANG Xing-yi, SUI Yue-yu, ZHANG Shao-liang, et al. Spatial Heterogeneities of Total Carbon, Nitrogen, Phosphorus and Potassium Content in Black Thin-layer Soil[J]. Bulletin of Soiland Water Conservation, 2008, 27(2): 1-5. DOI：

摘要

利用地统计学对黑龙江省双城市薄层农田黑土的全碳、全氮、全磷、全钾的空间异质性进行了分析。结果表明

4种养分含量分布均具有较大的空间异质性。土壤全碳含量的空间分布主要受黑土层厚度的影响

与全磷含量的空间分布吻合度高;土壤全钾的空间异质性最差

只是中部沿西南方向区域略低外

其余变化较小。土壤全碳与全氮、全磷

全氮与全磷都存在极显著正相关

而土壤全钾与全碳、全氮、全磷为负相关

但不显著。全量碳、氮、钾主要受结构性因子的影响

分别占86.8%

85.4%

81.8%

全磷受结构性因子和随机因子的影响各占1/2。

Abstract

Spatial heterogeneities of total carbon(C)

total nitrogen(N)

total phosphorus(P)

and total potassium(K) contents in black thin-layer soil in Shuangcheng City

Heilongjiang Province were analyzed by geostatistical method.Results showed that all of them had the significant spatial heterogeneity.The spatial distribution of total C was affected by the depth of dark soil and it had high spatial similarity with total P.Total K had the least spatial heterogeneity and its variability is little in entire area except in the central and southwest areas.Total C was correlated positively with total N and total P

and total N

negatively with total P.However

total K was correlated negatively with total C

total N

and total P.Total C

total N

and total K were greatly affected by soil structure factors and their effects accounted to 86.8%

85.4%

and 81.8%

respectively.Total P was affected equally by structure and random factors.

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