TY JOUR TI DIGITALIZATION OF INDICATORS FOR MONITORING NEGATIVE PRO-CESSES AND THE STATE OF SOIL FERTILITY ON THE EXAMPLE OF AN EDUCATIONAL AND EXPERIMENTAL FARM OF THE STAVROPOL GAU OF THE SHPAKOVSKY MUNICIPAL DISTRICT OF THE STAVROPOL TERRITO-RY KW . JO INTERNATIONAL AGRICULTURAL JOURNAL AU , .. AU , .. AU , .. AU , .. AU , .. PY 2023 IS 6 PB Electronic science