Su, Yong Zhong <br/><br/>
Changes in soil aggregate, carbon, and nitrogen storages following the conversion of cropland to alfalfa forage land in the marginal oasis of northwest China.  [electronic resource] 

 -  Environmental management  Jun 2009 
 - 1061-70 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1432-1009 
<br/><br/><label>Standard No.: </label>10.1007/s00267-009-9284-x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Carbon--analysis<br/>China<br/>Desert Climate<br/>Environmental Monitoring<br/>Geography<br/>Geologic Sediments--chemistry<br/>Medicago sativa<br/>Nitrogen--analysis<br/>Particle Size<br/>Soil--analysis