Widiasmadi, N. “ANALYSIS OF THE EFFECT OF BIOFERTILIZER AGENT ACTIVITY ON SOIL ELECROLIT CONDUCTIVITY & ACIDITY IN REAL TIME WITH THE SMART BIOSOILDAM METHOD”. IJRDO - Journal of Mechanical And Civil Engineering, Vol. 6, no. 10, Nov. 2020, pp. 01-10, doi:10.53555/mce.v6i10.3917.