Jenkinson, David S. <br/><br/>
Nitrogen efficiency in agricultural soils 

 - London :  Elsevier Applied Science,  1988 
 - 450 p.  : ilus. ; gráfs. 
<br/><br/> 37-227  Seminar on Nitrogen Efficiency in Agricultural Soils and the Efficient use of Fertilizer Nitrogen, held in Edinburgh, 16-18 September 1987. 
<br/><br/><label>LCCN: </label>753 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes nitrogenados.<br/>Suelos--Nitrógeno en.
<br/><br/><label>Dewey Class. No.: </label>631.411  / J4