|Table of Contents|

Effect of Cracks of Coal Mining Subsidence on Soil Available Nutrients(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年09期
Page:
186-188
Research Field:
Publishing date:

Info

Title:
Effect of Cracks of Coal Mining Subsidence on Soil Available Nutrients
Author(s):
HE Ming-hui1; GAO Yong1; CHEN Xi1; ZHANG Yan2; MA Ying-bin3; HUANG Ya-ru3
1.College of Ecology and Environmental Science,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010018;
2.Beijing Forestry University,Beijing 100183;
3.Experimental Center of Desert Forestry,CAF,Dengkou,Inner Mongolia 015200
Keywords:
collapsedcracks; slope; available nutrients
PACS:
S 153.6
DOI:
-
Abstract:
Taking cracks of Coal Mining Subsidence as object,the effect of the shady slope and sunny slope collapsed cracks on alkaline hydrolysis N,available phosphorus and available potassium in Shendong mining area were studied.The results showed that the three available nutrients had reached a significant level(P<0.01).When the available nutrients were originally moved from its poding to its base,collapsed cracks interrupt them and lead to a huge loss,the attrition rate in the range of 42.17%~10.53%.What’s more,this blocking action was greater in shady slope and in topsoil.This crack impact on alkaline hydrolysis N was larger than available phosphorus and potassium.

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Last Update: 2014-08-13