Balbesino, Cornelio T. <br/><br/>
Performance of hybrid rice varieties as affected by nutrient management practices under varying ecological conditions 
Cornelio T. Balbesino 
 -  2008 
 - xxvi, 188 leaves   28 cm.  
<br/><br/> Thesis (M.S. Agriculture-Crop Sci) -- Mariano Marcos State University, Laoag City 
<br/><br/>Bibliography: leaves 107-108