SURYADI, muhammad; MULYATI, Mulyati; DAMAR, I Komang. EFEKTIVITAS PUPUK PETROBIO DAN NPK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KOL BUNGA (Brassica oleracea var. botrytis L.). CROP AGRO, Scientific Journal of Agronomy, [S.l.], v. 12, n. 01, p. 46-58, jan. 2019. ISSN 2621-5748. Available at: <https://cropagro.unram.ac.id/index.php/caj/article/view/260>. Date accessed: 19 apr. 2019. doi: https://doi.org/10.29303/caj.v12i01.260.