The philippines recommends for organic fertilizer production and utilization. 

 - Los Banos, Laguna :  PCARRD-DOST,  c2006. 
 - 146 p. :  ill. ;  23 cm. 
<br/><br/> (Phil. Recommends Series No. 92-A. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organic fertilizer.