Process Optimization for the Production of Potassium-Carrageenan Nanofertilizer by Ionic CrosslinkingMarivic Toledo, Veronica Migo, Catalino Alfafara, Monet Concepcion Maguyon-Detras and Clint Charles BrutasMATEC Web Conf., 268 (2019) 05002DOI: https://doi.org/10.1051/matecconf/201926805002