Colwell, J. D. <br/><br/>
Estimating fertilizer requirements  : a quantitative approach 

 - Oxon :  CAB International,  1994 
 - 262 p.  : ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>59845 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes.<br/>Suelos--Fertilidad.
<br/><br/><label>Dewey Class. No.: </label>631.8  / C65