Yakub, M., M. F. Barchia, and U. K. Suharjo. “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, vol. 3, no. 2, Dec. 2020, pp. 51-55, doi:10.31186/terra.3.2.51-55.