ISRIC - World Soil Information Database



© European Communities, 1995-2007Since its beginning in 1966, ISRIC - World Soil Information has built up a collection of more than 20.000 articles, country reports, books and maps with emphasis on the developing countries. The subject emphasis is on soils, but related geographic information on climate, geology, geomorphology, vegetation, land use, and land suitability is also important. The map collection contains over 6000, mainly small-scale (1:250.000 or smaller) maps. more...

October 22, 2009

Elements of the Nature and Properties of Soils (3rd Edition)

Fully updated in this edition, it includes the latest information on soil colloids; nutrient cycles and soil fertility; and soils and chemical pollution. This edition continues to use examples from many fields, including agriculture, forestry, and natural resources. Updated information in this edition includes: Engineering properties of soils; Expanded treatment of soil quality, soil degradation and soil resilience; A new section on septic tank drain fields; Expanded section on irrigation management; A new section on wetlands and their poorly aerated soils

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