TY - BOOK AU - Baniaga, Jo Maica R. TI - Evaluation of pulverized egg shell as an additive/supplemental fertilizer for the growth of lettuce (Lactuca sativa L. through hydroponic system PY - 2022/// CY - MMSU PB - City of Batac N1 - Thesis (BS in Agricultural and Biosystems Engineering) - Mariano Marcos State University -- College of Engineering, City of Batac, 2022; Bibliography: leaves 48-50 ER -