Soil Degradation, Conservation and Remediation
Springer Science & Business Media, 1 oct. 2013 - 237 pagini
In view of the grave consequences of soil degradation on ecosystem functions, food security, biodiversity and human health, this book covers the extent, causes, processes and impacts of global soil degradation, and processes for improvement of degraded soils. Soil conservation measures, including soil amendments, decompaction, mulching, cover cropping, crop rotation, green manuring, contour farming, strip cropping, alley cropping, surface roughening, windbreaks, terracing, sloping agricultural land technology (SALT), dune stabilization, etc., are discussed. Particular emphasis is given to soil pollution and the methods of physical, chemical and biological remediation of polluted soils. This book will lead the reader from the basics to a comprehensive understanding of soil degradation, conservation and remediation.
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acid acid sulfate soils agricultural Alfisols Andisols areas arid Aridisols bioremediation cadmium carbon causes chemical Chepil clay climate compost compounds concentrations cover crops crust cultivation deforestation deposition desertification drainage effects environment erodibility Eswaran factor farming fertilizers forest Gelisols global grass groundwater hardsetting heavy metals herbicides Histosols horizon human impact increases infiltration irrigation land degradation landfills leaching levels lime materials mercury mg kg−1 microbial microorganisms mineral Mollisols mulch nutrient occur organic matter organic pollutants oxides Oxisols pesticides Photo courtesy phytoremediation plants precipitation processes production reduced regions residues root runoff salinity sediments semiarid sewage sludge slope soil compaction soil degradation soil erosion soil loss soil moisture regime soil particles soil pH soil pollution soil quality Soil Sci Soc soil surface soluble Spodosols strips surface soil terraces tillage tion toxic uptake vegetation Vertisols water erosion waterlogging wind erosion