Effect of Application of Liquid Organic Fertilizer of Pineapple Peel Waste on Growth and Production of Red Lettuce Plants (Lactuca sativa var. Crispa)

This study aims to determine the effect of giving optimal concentration pineapple peel liquid organic fertilizer on growth and production red lettuce plants (Lactuca sativa var. Crispa)". research was conducted in Modong Village, Tulangan Subdistrict, Sidoarjo Regency continued at Agrotechnology Laboratory Muhammadiyah University. The from December 2022 January 2023. uses a Randomized Group Design (RGD) with single factor, namely application waste. concentrations waste were 100 cc/l; 150 200 250 300 350 400 cc/l. data obtained processed using ANOVA, if there is difference between treatments then it will be followed by 5% tukey test. variables observed plant height, number leaves, wet weight, dry root length, harvest index. Based results study, can concluded that significantly affects observation weight length. While not different variable cc/l (N4).