Effects of Plantation of Lycium ruthenicum on the Soil Salt Distribution in the Minqin Basin

doi:10.7522/j.issn.1000-694X.2013.00206

JOURNAL OF DESERT RESEARCH

2013, Vol. 33

Issue (5): 1406-1412 DOI: 10.7522/j.issn.1000-694X.2013.00206

Biology and Soil

Effects of Plantation of Lycium ruthenicum on the Soil Salt Distribution in the Minqin Basin

PENG Fei1, HUANG Cui-hua1, YOU Quan-gang1, GAO Tian-peng2

1.Key Laboratory of Desert and Desertification, Cold and Arid Regions Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2.Center of Urban Ecology and Environmental Biotechnology, Lanzhou City University, Lanzhou 730070, China

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Abstract

Soil salinization, one kind of land degradation in the Minqin basin, expanded rapidly recently. Random block experiment was employed to investigate the effects of the plantation of Lycium ruthenicum on horizontal and vertical distribution of soil salt. The experimental site were irrigated by 0.8 g·L-1, 2 g·L-1, 5 g·L-1 saline water two years precedent to the plantation of L. ruthenicum. The results showed that horizontal soil salt was significantly influenced by the concentration of irrigation water and soil depth. Mean soil electrical conductivity of 0-100 cm was in the consequence of the pre-treatment of 5 g·L-1>2 g·L-1>0.8 g·L-1 saline water. Two year plantation of L. ruthenicum increased the soil salt content under the canopy but decreased that in the interspace soil. The soil salt content at the 0-100 cm layers varied seasonally, which was positively related to the rainfall and the reference evapotranspiration ratio.

Key words: Lycium ruthenicum soil electrical conductivity Minqin oasis soil salt saline soil

Received: 29 June 2012 Published: 22 October 2012

ZTFLH:

S156.4



	Articles by authors
	PENG Fei1
	HUANG Cui-hua1
	YOU Quan-gang1
	GAO Tian-peng2

Cite this article:

PENG Fei1, HUANG Cui-hua1, YOU Quan-gang1, GAO Tian-peng2. Effects of Plantation of Lycium ruthenicum on the Soil Salt Distribution in the Minqin Basin. JOURNAL OF DESERT RESEARCH, 2013, 33(5): 1406-1412.

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http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00206 OR http://www.desert.ac.cn/EN/Y2013/V33/I5/1406

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