Learn the secret of maintaining a diverse ecosystem below ground to foster healthy crops above. Ecological soil management, as detailed by the soil experts who wrote the book, can raise fertility-and yields- while reducing environmental impacts. Topics explored include increasing soil organic matter, appropriate tillage, animal manures, making and using composts, integrating cover crops into rotations, reducing erosion, and avoiding soil compaction. Also includes practical information such as interpreting soil test results. 240 pages. 3rd edition, 2009.
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