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003			OSt
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008			120308s9999 xx 000 0 und d
020			_a084937443X
040			_cCPGS
082			_a333.73137
245			_aMethods for assesment of soil degradation / _cby R.Lal et.al.
260			_aBoca Raton, Florida: _bCRC Press: _cc1997
300			_axiv., 558pp.: _bill.; _c24cm.
440			_a[Advances in Soil Science] _92167
500			_aIncludes bibliographical references and index
505			_aBasic concepts: degradation, resilience and rehabilitation--Soil quality and sustainability--Methodologies for assessment of soil degradation due to water erosion--Modeling erosion by water and wind--Soil crusting--Hardsetting--Assessment. prevention, and rehabilitation of soil structure caused by soil surface sealing, crusting and compaction--Soil compaction--The characteristics of soil organic matter relative to nutrient cycling--Soil processes and greenhouse effect--Acidification--Estimating nutrient balances in agro-ecosystems at different spatial scales--Salt buildup as a factor of soil degradation--Sodic soils--Soil pollution and contamination--Acid sulfate soils--Long-term characterization: monitoring and modeling--Scaling and extrapolation of soil degradation assessments--Applications of geographic information systems in soil degradation--Remote sensing applications to soil degradation assessments--Mapping soil degradation--Revisiting the Glasod methodology--Desertification assessment--Agronomic impact of soil degradation--Methods of economic assessment of on-site and off-site costs of soil degradation--The on-farm economic costs of erosion--Methods for assessing the impacts of soil degradation on water quality--Research and development priorities.
650			_aSoil degradation _92168
700			_aLal,R _eeditor _92169
700			_aBlum,W.H _eedtor _92170
700			_aStewart,B.A _eeditor _92171
942			_2ddc _cBK
999			_c340 _d340