Soil organic matter :  ecology, environmental impact and management / 
editors by Pedro A. Bjorklund, Frederick V. Mello 
 - New York :  Nova Science Pub.,  c2012 
 - x, 147 p. :  ill., maps ;  26 cm. 
 - Environmental science, engineering and technology .
 - Environmental science, engineering and technology .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781621002727 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus<br/>Humus--Environmental aspects<br/>Soil ecology<br/>Soil management