Zahrah, Siti, and Nursamsul Kustiawan. “Increasing Growth, Production and Nutrient Uptake of Pakcoy (Brassica Rapa L) Plant on Peat Soil by Applying Polyvalent Cation Ameliorant Cu2+, Fe3+, Zn2+ and Palm Front Compost”. JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) 6, no. 2 (May 31, 2024): 425–439. Accessed April 26, 2025. http://ejournal.uniks.ac.id/index.php/JUATIKA/article/view/3613.