He, Chun-E <br/><br/>
Nitrogen deposition and its contribution to nutrient inputs to intensively managed agricultural ecosystems.  [electronic resource] 

 -  Ecological applications : a publication of the Ecological Society of America  Jan 2010 
 - 80-90 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1051-0761 
<br/><br/><label>Standard No.: </label>10.1890/08-0582.1  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--methods<br/>Chemistry, Agricultural<br/>China<br/>Ecosystem<br/>Nitrogen--chemistry<br/>Nitrogen Fixation<br/>Time Factors<br/>Triticum--metabolism<br/>Zea mays--metabolism