Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (SUBJECT=Humus DE 588 4160800 8)


 
 
 
Select Item Title Year Published
Humic substances in the environment 1972
Humus chemistry : genesis, composition, reactions / 1994
Humus chemistry : genesis, composition, reactions / 1982
Soil organic matter in temperate agroecosystems : long-term experiments in North America / 1997

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