Follett, Ronald F. <br/><br/>
Soil fertility and organic matter as critical components of production systems  : proceedings 

 - Madison :  Soul Science Society of America,  1987 
 - 166 p.  : ilus. ; gráfs. 
 - SSSA Special publication  ; 19 .
 - SSSA Special publication  ; 19 .
<br/><br/><label>LCCN: </label>1768 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humus.<br/>Suelos--Fertilidad.<br/>Suelos--Materia orgánica.
<br/><br/><label>Dewey Class. No.: </label>631.45  / F65