TY CONF TI PHYTOMASS HERACLEUM SOSNOWSKYI AND THE RATE OF ITS DECOMPOSITION IN THE SOILS OF POSTAGROGENIC ECOSYSTEMS OF THE MIDDLE TAIGA SUBZONE OF THE KOMI REPUBLIC KW sod-podzolic soils KW phytomass KW destruction KW deposit KW hogweed KW Heracleum sosnowskyi JO «PROBLEMS OF SOIL FERTILITY IN MODERN AGRICULTURE» AU Smotrina, Y.A. AU Lapteva, E.M. AU Dal'ke, I.V. AU Zahozhiy, I.G. AU Skrebenkov, E.A. PY 2024 PB Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS