Llera BFD, Gonzaga ZC, Tan JD. Growth, yield and microbial contamination of lettuce (Lactuca sativa L.) grown under two types of cultivation system as influenced by different organic fertilizers. Ann. Trop. Res [Internet]. 2022 Dec. 19 [cited 2025 Dec. 5];44(2):150-62. Available from: https://atr.vsu.edu.ph/article/view/50