The philippines recommends for irrigation management for crop diversitification. 

 - Los Banos, Laguna :  PCARRD, 11M1, and PARRFI,  c1998. 
 - 116 p. :  ill. ;  23 cm. 
<br/><br/> (PCARRD Phil.Recommends Series No. 82/1998.  References: p. 56-69. 
<br/><br/><label>ISBN: </label>9712004457 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop diversification.<br/>Irrigation mgt.