Ichpan Zulfansyah, Fuad, Nurhayati and Nor Azma Yusuf 2024. THE EFFECT OF PALM OIL SHELL BIOCAR AND P AND K FERTILIZER ON THE GROWTH AND PRODUCTION OF SOYBEAN PLANTS (Glycine max). International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET). 3, 7 (Jun. 2024), 2891–2898. DOI:https://doi.org/10.54443/ijset.v3i7.1072.