Author: The Nature and Properties of Soils. Brady and Weil. 2008. Editor: Soil Organic Matter in Sustainable Agriculture. Magdoff and Weil. 2004. Senior Research Scholar, Columbia University, Earth Institute. Adviser on Soils Issues to the Millennium Villages Project in 14 African countries.
soil science, soil fertility, soil management, sustainable agriculture, cover crops, intercrops, nutrient cycling, nitrogen, phosphorus, ferilizer, compost, manure, sewage sludge, ground water, water pollution, soil conservation, soil quality