Baniaga, Jo Maica R. <br/><br/>
Evaluation of pulverized egg shell as an additive/supplemental fertilizer for the growth of lettuce (Lactuca sativa L. through hydroponic system / 
Jo Maica R. Baniaga and Maricone A. Cabansag 
 - MMSU  City of Batac :  2022 
 - xix, 82 leaves ;  28 cm. 
<br/><br/> Thesis (BS in Agricultural and Biosystems Engineering) - Mariano Marcos State University -- College of Engineering, City of Batac, 2022. 
<br/><br/>Bibliography: leaves 48-50