Soil organic matter and biological activity / 
edited by D. Vaughan and R.E. Malcolm 
 - Dordrecht :  M. Nijhoff ,  1985 
 - 469 p. :  ill. ;  25 cm . 
 - Developments in plant and soil sciences ;  v 16 .
<br/><br/>Includes  references and index 
<br/><br/><label>ISBN: </label>9024731542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus<br/>Plant--soil relationships<br/>Plant physiology