Rozen, Nalwida, Gusnidar Gusnidar, and Nurhajati Hakim. “Organic Fertilizer Titonia Plus and Micro Nutrients Improved Rice (Oryza Sativa L.) Production in Koto Panjang and Koto Tingga, Padang City, West Sumatera, Indonesia”. Journal of Tropical Crop Science 7, no. 01 (February 27, 2020): 22–27. Accessed May 18, 2025. https://j-tropical-crops.com/index.php/agro/article/view/286.