Marbun P, Bintang, Tampubolon K, Sihombing FN, Simanjuntak DR, Irly I, et al. Identification of soil physicochemical, land suitability, and its relationship to Coffee arabica yielding based on plant age groups. C.Sci. [Internet]. 2023 Aug. 25 [cited 2025 Jun. 12];18:e182123. Available from: https://coffeescience.ufla.br/index.php/Coffeescience/article/view/2123