Plucknett, Donald L. <br/><br/>
Detecting mineral nutrient   Deficiencies in tropical and tempered crops 

 -  Boulder  Westview Press  1989 
 - 553p  pb 
 - Detecting mineral nutrient .
<br/><br/><br/>En 
<br/><br/><label>Subjects--Personal Names: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>632.3  /  PLU