Slameto, Slameto, Erythrina Erythrina, Endriani Endriani, and Valeriana Darwis. 2026. “Yield and Profit Improvement of Maize Utilizing Optimal Planting Density and Rice-Husk Waste As Effective Silicon Fertilizer”. International Journal of Recycling of Organic Waste in Agriculture 15 (2). https://doi.org/10.57647/ijrowa.2026.18325.