Alfonso, Rowell G. <br/><br/>
Performance of Sweet Sorghum As Forage Crop In Relation To Planting Distance and Nitrogen Fertilizer Sources  [manuscript] / 
Rowell G. Alfonso. 
 - Magalang, Pampanga :  Pampanga State Agricultural Universty,  2020. 
 - xvi; 95 leaves + CD ;  28 cm.