Soil Physicochemical Properties and Microbial Characteristics in Artificial Reconstructed Forests with Different Quatity of Precipitation in the Loess Hilly Region of China

doi:10.7522/j.issn.1000-694X.2014.00103

JOURNAL OF DESERT RESEARCH

2014, Vol. 34

Issue (6): 1576-1583 DOI: 10.7522/j.issn.1000-694X.2014.00103

Soil Physicochemical Properties and Microbial Characteristics in Artificial Reconstructed Forests with Different Quatity of Precipitation in the Loess Hilly Region of China

Chai Xiaohong¹, Wu Yonghua^1,2, Zhong Fang³

1. College of Pratacultural Science/Ministry of Education Key Laboratory of Grassland Ecosystem/Pratacultural Engineering Laboratory of Gansu Province/Sino-U.S. Center for Grazing land Ecosystem Sastainability, Gansu Agricultural University, Lanzhou 730070, China;
2. Institute of Garden Research of Lanzhou, Lanzhou 730070, China;
3. Green Project Headquarter of South-north Hills Environments of Lanzhou, Lanzhou 730070, China

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Abstract Responses of soil physicochemical properties and microbial characteristics to precipitation were determined and analyzed under artificial reconstructed forest and grassland in a loess hilly region of Gansu, China. The results showed that soil water content increased with increasing precipitation, while pH value had no significant differences between precipitation treatments; precipitation of 400 mm was as a "dividing line". The content of soil organic carbon, total nitrogen, soil microbial biomass carbon and soil microbial biomass nitrogen of high precipitation zone (≥400 mm) were significance higher than that in the low precipitation zone (<400 mm). The highest content of total phosphorus, available potassium, available phosphorus and microbial respiration were in the plots with 500 mm precipitation, while the highest metabolic quotient for CO₂ was in the plots with 200mm precipitation, and microbial quotient had no significance difference with precipitation. Meanwhile the result indicated that there was significant correlation between soil physicochemical and microbial characteristics in different precipitation plots.

Key words: loess hilly region forest grassland soil microbes precipitation

Received: 04 April 2014 Published: 20 November 2014

ZTFLH:

S153

Corresponding Authors: 吴永华(Email:lzylky@126.com) E-mail: lzylky@126.com



	Articles by authors
	Chai Xiaohong
	Wu Yonghua
	Zhong Fang

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Chai Xiaohong, Wu Yonghua, Zhong Fang. Soil Physicochemical Properties and Microbial Characteristics in Artificial Reconstructed Forests with Different Quatity of Precipitation in the Loess Hilly Region of China. JOURNAL OF DESERT RESEARCH, 2014, 34(6): 1576-1583.

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http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2014.00103 OR http://www.desert.ac.cn/EN/Y2014/V34/I6/1576

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