Black Charles A. <br/><br/>
Soil fertility evaluation and control 
by Charles A . Black 
 - Boca Raton  Lewis Publishers  1992 
 - 746p. 
<br/><br/><label>ISBN: </label>0 87371 834 8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil fertility<br/>Fertilizers
<br/><br/><label>Dewey Class. No.: </label>631.42  / BLA/S