Tuproqning shakllanishi va ularning evolyutsiyasi omillari ZERAFSHON Vodiysining janubi

Аннотация

 In article is stated main groundforming (the geomorphological-hydra geological
land reclamation, climatic and anthropogen) factors, describes the evolution of soils in the lower
part. In Zerafshan valley are chosen 3 geomorphological regions. Differ the raised contents a
magnesium, high water table on irrigated territory in roast time and heavy expences them on
evaporation. Economic activity of the person is reflected and on climate, and on hydralogical
condition to surfaces of the land. As a result of reclamation measures, takyr-meadow, old-fallow
meadow with bog-meadow and salt marshes, gray-brown soils were transformed into old-irrigated
meadow alluvial soils. The increase in irrigated land was due to the development of new, previously
unrevealed territories.