Sumner, M.E, Stewart, B.A <br/><br/>


 - vi, 372p. ;24cm 
<br/><br/>includes references, Index 
<br/><br/><label>ISBN: </label>0873718690 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil chemistry
<br/><br/><label>Dewey Class. No.: </label>631.41 SUM