Soil Chemistry Character, the N, P, and K Uptake, and the Growth and Yield of Corn (Zea mays L.) Due to the Application of Ela Sago Palm Waste Compost and Liquid Organic Fertilizer in Ultisols. j Trop. Soils. 2022;27(2):49-58. doi:10.5400/jts.2022.v27i2.49-58