Sebbey, Glen L. The effect of varying concentration of ammonium phosphate on the growth of napier (pennicetum purpureum) grass Glen L. Sebbey - vii, 181 leaves col. ill. 28 cm Undergraduate Thesis (BSBIO) - Nueva Vizcaya State University Includes appendices & bibliography Subjects--Topical Terms: Napier grass (pennicetum purpureum)