The article provides an assessment of the current content of gross iron, aluminum, silicon in the arzyk shoch soils of the lacustrine - alluvial plains of Central Fergana. As a result of the research, it was established that the concentrations of Fe, Al, Si and their ratios vary depending on the degree of destruction of the cemented arzyk shoch horizon in the studied soils. The radial distribution of these elements has features depending on the thickness and degree of destruction of the arzyk shoch horizon. The Fe:Al, Al:Si, Fe:Si ratios are close to each other in these soils. The radial distribution of bulk forms of Fe, Al, Si in the soils of the studied areas is uneven, but the minimum content of Fe, Al in all areas coincides with the groundwater horizons.

Iron, aluminum, silicon, arzykshoch, lacustrine - alluvial, cementation, mechanical destruction

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