Lectures presented at IFDC training program  plant nutrient management for sustainable agriculture 

 - Alabama  International Fertilizer Development Center  1993 
 - 37p.  28cm 
 - Special publication IFDC ;SP-19 .
<br/><br/><label>ISBN: </label>0880901047 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture and related technologies<br/>Fertilizers,soil conditioners,growth regulators<br/>Specific techniques
<br/><br/><label>Dewey Class. No.: </label>631.8  / LEC