Surtinah S. PEMBERIAN PUPUK ORGANIK SUPER NATURAL NUTRITION (SNN) PADA TANAMAN SELADA (Lactuca sativa, L) DI TANAH ULTISOL. J. Ilm. Pertan. [Internet]. 2009 Aug. 1 [cited 2026 Mar. 25];6(1):20-5. Available from: https://journal.unilak.ac.id/index.php/jip/article/view/1291