Yakub, M., Barchia, M. F., & Suharjo, U. K. (2020). Relationship Analysis of Soil Bulk Density, Available K, and Slope to Productivity of Salak Pondoh at Padang Jaya, North Bengkulu. TERRA : Journal of Land Restoration, 3(2), 51–55. https://doi.org/10.31186/terra.3.2.51-55