Effect of land use type on variability of soil organic matter content with soil depth in the loess region of western Shanxi Province

WANG Shu,MA Lan,GAO Jiarong,YANG Fan,ZHANG Dong,LIANG Xianghan

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2016, Vol. 40 ›› Issue (05) : 81-86.

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南京林业大学学报（自然科学版）
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JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2016, Vol. 40 ›› Issue (05) : 81-86. DOI: 10.3969/j.issn.1000-2006.2016.05.013

Effect of land use type on variability of soil organic matter content with soil depth in the loess region of western Shanxi Province

  • WANG Shu1,MA Lan1*,GAO Jiarong1,YANG Fan2,ZHANG Dong1,LIANG Xianghan1
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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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WANG Shu,MA Lan,GAO Jiarong,YANG Fan,ZHANG Dong,LIANG Xianghan. Effect of land use type on variability of soil organic matter content with soil depth in the loess region of western Shanxi Province[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2016, 40(05): 81-86 https://doi.org/10.3969/j.issn.1000-2006.2016.05.013

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