The Effect of Giving NPK and Biochar from Palm Oil Fronds on Palm Oil Main Nursery Seedlings: NPK and Biochar from Palm Oil Fronds on Palm Oil Main Nursery Seedlings. TWJ [Internet]. 2025 Jan. 27 [cited 2025 Aug. 5];10(2):19-2. Available from: https://twj.ulm.ac.id/index.php/twj/article/view/132