Syawaluddin, Imelda Sari Harahap and Hery Solat 2023. Analysis of Rainfall as an Agroclimatological Element on Production and Determination of Potato (Solanum Tuberosum L.) Planting Season in South Tapanuli Regency. Formosa Journal of Sustainable Research. 2, 1 (Jan. 2023), 155–172. DOI:https://doi.org/10.55927/fjsr.v2i1.2689.