Change of humus condition of grey ashed soils under the influence of microbiological agents and humic fertilizer in the western steppes of Ukraine

Abstract

The article presents results of research of humus contents change in grey podzolized soils of the Western forest-steppe of Ukraine. Its dependence on fertilizers was determined. It was also established that using of the microbiological preparation and huminic fertilizers causes a strong increase tendency in total soil humus contents. The highest increase in humus contents (0–20 сm — 0.12%, 20–40 сm — 0.10%) in comparison with the variant without fertilization was noted with the introduction of 10 t/ha huminic fertilizer. As a result of applaying microbiological preparation humus contents rises to 2.19–2.20% in 0–20 cm layer and to 2.05–2.07% in 20– 40 soil layer. The research of using nontraditional system of fertilization, when growing spring triticale, points out the improving of total humus contents in grey podzolized soils