The use of Silica fertilizer to increase the effectiveness of N,P,K fertilizer on rice plant growthJauhari Syamsiyah, Ganjar Herdiansyah, Sri Hartati and Lidya Zaela WijayaE3S Web Conf., 467 (2023) 01014DOI: https://doi.org/10.1051/e3sconf/202346701014