Maulidya, Sakinah, Ahmad Junaedi, Suwarto Suwarto, and Hajrial Aswidinnoor. 2026. “Optimization of N, P, and K Fertilizer Rates for ‘IPB 13S’ Rice ”. Journal of Tropical Crop Science 13 (03):690-706. https://doi.org/10.29244/jtcs.13.03.690-706.