Organic Fertilizer Application Based Liquid Waste Fruit Leather Palm (Arenga pinnata Merr.) to Increase the Potential for Growth and Results of Soybean in the Soil Ultisol. J. Agroqua [Internet]. 2017 Oct. 13 [cited 2025 Dec. 5];15(1):20-8. Available from: https://journals.unihaz.ac.id/index.php/agroqua/article/view/77