9781118629253 | 4th edition (Blackwell Pub, June 22, 2015), cover price $159.95 | About this edition: Soil is key to sustaining life—affecting air and water quality, the growth of plants and crops, and the health of the entire planet.

9780471363392 | 3 sub edition (John Wiley & Sons Inc, June 13, 2001), cover price $186.95 | About this edition: Comprehensive, up-to-date coverage of the basics of soil chemistry Although only a meter in depth over the earth's surface, soil is key to sustaining life-affecting air and water quality, the growth of plants and crops, and the health of the entire planet.

9780471822172 | 2 sub edition (Wiley-Interscience, August 1, 1985), cover price $120.00 | About this edition: Praise for the first edition of Soil Chemistry— "…clearly written…has a relaxed and almost conversational style which when successful, as here, can only be produced by writers wholly in command of their subject.

9781118629239 | 4th edition (Blackwell Pub, June 22, 2015), cover price $79.95 | About this edition: Soil is key to sustaining life—affecting air and water quality, the growth of plants and crops, and the health of the entire planet.

9780471274971 | 3 edition (John Wiley & Sons Inc, November 25, 2002), cover price $159.95 | About this edition: Comprehensive, up-to-date coverage of the basics of soil chemistry Although only a meter in depth over the earth's surface, soil is key to sustaining life-affecting air and water quality, the growth of plants and crops, and the health of the entire planet.