Fevria, Resti, Vauzia Vauzia, Silvy Annisa, Santi Diana Putri, and Roni Jarlis. 2026. “Optimizing Hydroponically Cultivated Kale Growth Using Nano-Formulated Organic Fertilizers: A Multivariate Evaluation Using PCA”. Journal of Applied Agricultural Science and Technology 10 (2):249-60. https://doi.org/10.55043/jaast.v10i2.565.