TY JOUR TI THE PHOSPHATE STATE OF AGROCHERNOZEMS UNDER SOYBEAN CROPS UNDER CONDITIONS OF APPLICATION OF MINERAL FERTILIZERS KW soybeans KW mineral fertilizers KW total phosphorus KW organic and mobile phosphorus content KW intensity factor JO Vestnik of Omsk SAU AU BELOUSOVA, E.N. AU BELOUSOV, A.A. AU ULYANOVA, O.A. AU BAROVA, C.S. PY 2024 IS 54 PB FSBEI HE Omsk SAU