“Nitrogen Rate, Phosphorus, And Potassium Levels In Chrysanthemum Cultivation (Chrysanthemum Sp) At Tomohon Tourism Seeds And Agrowidya Center”. Soil and Environment Journal 2, no. 2 (November 21, 2024): 53–59. Accessed September 23, 2026. https://ejournal.unsrat.ac.id/v3/index.php/soilenvironmental/article/view/58993.