Palaspas, Allan D.  <br/><br/>
Growth and yield performance of celery (Apium graviolens L. var dulce) as affected by levels of inorganic and organic fertilization  
Palaspas, Allan D.  
 -  2006 
 - xii, [45] leaves   28 cm. 
<br/><br/> Thesis (BS Agriculture-Horticulture) -- Mariano Marcos State University-College of Agriculture & Forestry, Batac City  
<br/><br/>Bibliography: leaf 31