AНДИЖОН ВИЛОЯТИ ТЎҚ-ТУСЛИ БЎЗ ТУПРОҚЛАРИНИНГ ГЕОМОРФОЛОГИК ТУЗИЛИШИ ТAБИИЙ-AГРОИҚЛИМИЙ ШAРОИТЛAРИ

Abstract

The article shows the distribution and morphogenetic structure of humus and nutrients in the dark gray soils of Andijan region, and the amount of salts in the soil. Dark gray soils are weakly saline, with a dry residue content of 0.108% to 0.140% and chlorine ion from 0.007% to 0.014%. The content of humus in the upper (0-24cm) layers of dark gray soils is up to 1.001%, and their amount decreases according to the soil profile below.