Investigations
related to development of complex measures on soil water
salt regime management by means of effective leaching
technology and technique on a background of systematic
close horizontal drainage, strengthened by open drainage;
ground of reclamation efficiency of two stage leaching
of hardly reclamation strongly saline soils and its
conduction technology development.
Soils are
sierozem - meadow. Soil structure corresponds to medium
and heavy loam, saline, chloride-sulfat type.
Ground
water salinity -(40-60 g/l), chloride-sulfate-magnesium-
sodium type.
Experimental
plot area is 78 ha.
Leaching
is conducted by two variants: two stage and flooding
(control) under the same parameters of close horizontal
drainage by depth 3-3,5m.
Constant
observations on ground water regimes, drainage flow
dynamic, water supply, salinity are conducted.
According
to investigations results scientific ground of complex
measures on soil water salt regime management, two stage
leaching efficiency on a background of drainage is given.
Calculation method and two stage leaching conduction
technology in conditions of Hungry Steppe are developed. |
