D, Clarrson <br/><br/>
Bio-Fertilizers:for Eco-Friendly Agriculture 

 - Kerala  Agro Clinic & Research Centre  2004 
 - 262p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--General Stack--Techniques, equipment & materialsAgricultureBotany
<br/><br/><label>Dewey Class. No.: </label>631.879  / CLA-B