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Spatial-temporal variance of reclamation soil physical and chemical character in opencast mine region

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In order to study the effects of soil compaction, and soil physical and chemical characteristics after land reclamation, selected lands that were reclaimed after 1, 2, 3, 4, and 5 a, respectively, in the Majiata Mine of the Shendong Open Pit; tested the effects of soil compaction; and collected soil samples from 5 different depths, which are 0～7.62, 7.62～15.24, 15.24～22.86, 22.86～30.48, and 30.48～38.10 cm, respectively. The results sity of reclaimed soil is higher than that of undisturbed soil; this declines with the reclama-tent of reclaimed soil nutrients is lower than that of undisturbed soil. The lowest one is in the soil dumping site, which reaches the level of undisturbed soil after 5-year reclamation; in the soil dumping site; this declines with the reclamation.

opencastreclaimed soilsoil characteristicsspatial-temporal variation

HU Ye-cui、LI Xin-ju、FANG Yu-dong、LIU Xue-ran、ZHONG Wei-jing

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School of Land Sciences and Technology, China University of Geosciences, Beijing 100083, China

College of Re-sources and Environment, ShandongAgricuitural University, Tai'an 271018, China

National Natural Science Founda-tion of China, Beijing 100085, China

China Postdoctoral Science Foundation of ChinaChina Postdoctoral Science Foundation of China

200604005322006DS08018

2009

10.1007s12404-009-0411-3

中国煤炭(英文版)
煤炭信息院

中国煤炭(英文版)

ISSN：1006-5318
年,卷(期)：2009.15(4)
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