Djajadi, Djajadi, and Roni Syaputra. “Effect of NPK and KNO3 Fertilizer on Yield and Quality of Madura Tobacco Prancak N1”. Berkala Penelitian Hayati 24, no. 2 (May 21, 2019): 78-83. Accessed April 23, 2026. https://www.berkalahayati.org/index.php/jurnal/article/view/22.