Synergistic Effects of Coconut Husk Biochar and Palm Fiber on Soil Nitrogen and Phosphorus Dynamics and Pak Choi (Brassica rapa,subsp. chinensis) Nutrient Uptake . Libyan Open Univ J Appl Sci [Internet]. 2026 Jun. 3 [cited 2026 Jun. 24];2(1):520-9. Available from: https://oujournals.ly/index.php/LOUJAS/article/view/306