1.
Dynamics of Soil Organic Matter in Tropical Ecosystems
by Coleman, David C., Oades, J...
ISBN: 9780824812515
List Price: $30.00
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Mineralogy, Chemistry, and Physics of Tropical Soils with Variable Charge Clays
by Uehara, Goro, Gillman, Gavi...
ISBN: 9780891584841
List Price: $57.00