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    Soil water sensors reveal subsoil conditions – Part 5: Calibration of instruments

    by Frikkie Koegelenberg, Pr Eng and Hendrik Jordaan In the last edition of this series, we take a quick look at the calibration of instruments and the importance thereof. We thank the ARC Agricultural Engineering in South Africa for making their manual on soil water sensors available to the readers of ProAgri Zambia. Calibration is […] More