Investigations
related to rational technology development for soil
desalinization by means of horizontal drainage construction,
leaching and leaching regime conducting, drainage system
workability in stratified ground and their reclamative
efficiency establishing, leaching technology improvement.
Natural
conditions of experimental plot are typical for the
most part of interfluve of Bugun-Chayan.
Soils structure
corresponds to loess-like loam; saline, chloride-sulfate
type Ground water depth -2,5-3,0m, salinity -7-14 g/l,
chloride-sulfate type.
Experimental
plot area is 135 ha.
Close drainage
depth is 2,5-3,0m specific length -40 m/ha, collectors
- 20m/ha.
Ground
water regime was studied on observant wells (85) with
depth 5m.
During
investigations the technology of accelerated soil desalination
rate and their productivity rehabilitation is established;
irrigation water discharge reduction on a basis of soil
drainability and salt capacity strengthening under leaching.
Leaching technology parameters, depths and degrees of
desalinization of aeration zone and ground water is
optimized. |
