Chemical properties of Zarafshon lower and middle flow soils

The article describes the chemical composition of newly irrigated, developed sandy-desert, old-irrigated alluvial-meadow, newly-irrigated gray-brown-meadow, gray-earth-meadow soils, common in lower and middle reaches Zarafshan River, decrease amount nutrients soil under influence anthropogenic factors. In arable subarable layers old irrigated meadow-alluvial humus is 0.859-0.971% 0.715-0.894%, while gray brown-meadow soils it 0.891-0.750%. desert sandy areas, total nitrogen 0.052-0.082%, phosphorus - 0.075-0.15%, potassium content 66-0.916%.