Kamal, M., M. S. Hadi, O. Ekasari, and E. Setiawan. “THE RATIO OF N/K AND GRAIN YIELD OF LOWLAND RICE (Oryza Sativa L.) AS AFFECTED BY DIFFERENT LEVELS OF NITROGEN APPLICATION AND IRRIGATION METHODS”. JURNAL AGROTROPIKA, vol. 18, no. 2, July 2020, doi:10.23960/ja.v18i2.4294.