Advances in nitrogen cycling in agricultural ecosystems :  proceedings of the Symposium on Advances in Nitrogen Cycling in Agricultural Ecosystems held in Brisbane, Australia, 11-15th May 1987 / 
edited by J.R. Wilson. 
 - Wallingford, Oxon, U.K. :  C.A.B. International,  1988. 
 - xii, 451 p. 
<br/><br/><label>ISBN: </label>085198603X 
<br/><br/><label>LCCN: </label>92055185     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen cycle.<br/>Soils--Nitrogen content.