Integration of univariate and multivariate analysis in evaluating irrigation efficiency and nitrogen fertilization in upland rice cultivationMercy Bientri Yunindanova, Supriyono, Puji Harsono and Aghan Valery Azlany HasyimBIO Web Conf., 227 (2026) 05002DOI: https://doi.org/10.1051/bioconf/202622705002