Handbook of plant nutrition/ 
Barker, Allen V. [ed.] 
 - 1st ed. 
 - Boca Raton:  CRC/Taylor & Francis,  2007. 
 - 613 p. 
<br/><br/><label>ISBN: </label>0824759044 
<br/><br/><label>Dewey Class. No.: </label>631.8  / BAR/H