International Journal of Environmental Protection          
An Open Access Journal
ISSN: 2226-6437(Print)      ISSN: 2224-7777(Online)
Frequency: Annually
Editorial-in-Chief: Prof. Kevin Mickus,
Missouri University of Science & Technology, USA.
A New Approach to Reducing Soil Thickness in Re-Vegetation Projects of Coal Waste Piles with Spontaneous Combustion: Soil Compaction
Full Paper(PDF, 1122KB)
Abstract:
A huge amount of soil has been used in re-vegetation projects of coal waste piles with spontaneous combustion in China. This paper focused on a new approach to reducing soil thickness in re-vegetation projects based on soil compaction. The effect of soil compaction on soil saving and Festuca arundinacea’s growth was researched. The results showed that both soil compaction and reducing soil thickness could reduce the depth of the Festuca arundinacea roots’ distribution in the soil, and Festuca arundinacea could significantly increase the total activity of SOD and POD to reduce the damage caused by soil compaction and reduction in soil thickness. At least 55% of the soil will be saved, which meant about 53.2 billion tons of soil and 162 billion dollars would be saved by using this new approach.
Keywords:Re-vegetation; Soil Compaction; Soil Thickness; Soil Bulk Density; Festuca Arundinacea; Coal Waste Piles; Spontaneous Combustion
Author: Lei Zhang1, Zhenqi Hu1, Meng Peng1, Xueran Liu1, Yang Gao1
1.Institute of Land Reclamation and Ecological Restoration, China University of Mining and Technology (Beijing), Beijing, China
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