TY JOUR TI INFLUENCE OF MINERAL FERTILISERS ON THE DYNAMICS OF NITROGEN, PHOSPHORUS AND POTASSIUM CONTENT IN SUNFLOWER PLANTS UNDER CONDITIONS OF UNSTABLE MOISTURE ZONE OF THE CENTRAL PRE-CAUCASIAN REGION KW . JO INTERNATIONAL AGRICULTURAL JOURNAL AU , .. AU , .. AU , .. AU , .. AU , .. PY 2023 IS 6 PB Electronic science