“…C-organic ranged from 15.16-45.25%, N-total 0.34-0.81%, P2O5 1.38%, K2O 1.99%, C/N ratio 21.06-136.03 and CEC 13.39-27.61 cmol kg-1 , The application of this soil amendment is useful for improving soil fertility both physically, chemically and biologically (Abdillah & Budi, 2021), contains a number of macro nutrients such as nitrogen (N), phosphate (P) and potassium (K), but also has micro elements such as calcium (Ca), magnesium (Mg) and micro elements such as zinc (Zn), copper (Cu) and manganese (Mn), as essential nutrients for plant growth and maintaining nutrient balance in the soil (Bachtiar et al, 2021 ). Goenadi & Santi (2017) further revealed that the characteristics of biochar can function on soil health and nutrient availability for plants because of its ability to absorb dissolved compounds, gases and inorganic nutrients, and function as a habitat for soil microbes (Hou et al, 2022) .…”