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晋西黄土区土地利用方式对土层有机质变异的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2016年05期
Page:
81-86
Column:
研究论文
publishdate:
2016-09-30

Article Info:/Info

Title:
Effect of land use type on variability of soil organic matter content with soil depth in the loess region of western Shanxi Province
Article ID:
1000-2006(2016)05-0081-06
Author(s):
WANG Shu1MA Lan1*GAO Jiarong1YANG Fan2ZHANG Dong1LIANG Xianghan1
1. Key Laboratory of Education on Soil and Water Conservation and Desertification Combating, College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China;
2. Key laboratory for Water and Sediment of Education, College of Water Science, Beijing Normal University, Beijing 100053,China
Keywords:
loess region of western Shanxi Province land use type soil organic matter soil depth
Classification number :
S152.7
DOI:
10.3969/j.issn.1000-2006.2016.05.013
Document Code:
A
Abstract:
To reveal the variability of soil organic matter content with soil depth under different land use type and its influencing factors in the loess region of western Shanxi Province, four typical land use types including waste grassland(WL), agricultural land(AL), Robinia pseudoacacia forestland(RF)and Pinus tabuliformis forestland(PF)were chosen to ascertain the variability of organic matter content. It was shown that the order of soil organic matter content was PF>RF>WL>AL. Slope position exerted a complicated influence on soil organic matter content, and the regularity of conformity was hard to find. With the increase of soil depth, soil organic matter content was significantly different under different land use patterns, while the content of organic matter in all typical land decreased, and the variability also decreased. Stepwise regression analysis showed that the soil depth was the dominated factor. Under PF, RF and WL, significantly positive relationship was available between soil moisture and organic matter content in the layer of 32-160 cm. The results are beneficial to the soil and water conservation and eco-environment construction in the loess region of western Shanxi Province.

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Last Update: 2016-10-30