Donald R. Nielsen <br/><br/>
Nitrogen in the environment. Vol 2 Soil-plant-nitrogen relationships  

 - New York  Academic Press  1978 
 - 528p 
 -  Volume:2 .
<br/><br/>Donald R. Nielsen & J. G. MacDonald: Nitrogen in the environment. Vol 2 Soil-plant-nitrogen relationships.  New York.  Academic Press, 1978. 0-12-518402-6--(589.95NIE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-12-518402-6 
<br/><br/><label>Dewey Class. No.: </label>589.95  / NIE