Renaldy, Kurnia, Walida Hilwa, Khairul Rizal, and Harahap FS. “The Relation Ship Between Total Soil Microbes With N, P , K Nutrient Levels By Paddy Plant (Case Study In Ajamu Village, Panai Hulu District, Labuhanbatu Regency)”. International Journal of Science and Environment (IJSE) 2, no. 2 (May 17, 2022): 63–68. Accessed July 6, 2025. https://ijsenet.com/index.php/IJSE/article/view/17.