TY JOUR TI EVALUATION OF METAL CONTENT (MANGANESE, NICKEL, CHROMIUM AND ZINC) IN THE SOIL AT THE GEOLOGICAL EXPLORATION SITE ON THE BELOMORSKO-KULOYSKOYE PLATEAU KW . JO INTERNATIONAL AGRICULTURAL JOURNAL AU Semenov, N.A. AU Miskevich, I.V. PY 2025 IS 8 PB Electronic science