“Soil Properties and Rainfall Regimes in Cinnamon (Cinnamomum Burmannii) Plantations in Mandailing Natal, North Sumatra: Sifat Tanah Dan Pola Curah Hujan Pada Perkebunan Kayu Manis (Cinnamomum Burmannii) Di Mandailing Natal, Sumatera Utara”. PERENNIAL 22, no. 1 (April 30, 2026): 22–29. Accessed August 8, 2026. https://journal-598.unhas.ac.id/index.php/perennial/article/view/49583.