1. A method biomelioratsii rainfed lands solonetz subsoil layer, characterized in that it includes the creation of a thin soil layer of 0.02 ... 0.07 m layer of liquid manure, education in subsoil layer of impermeable water control screen for the period of atmospheric precipitation and permeable roots plants during drought, includes conducting site surveys, stripe midwater from 0.65 to 1.0 m pre-tiered soil loosening and at an angle to the direction of its main processing layer strips, and provides for the creation of bottom of the screen with a transverse profile cosine form and additional horizontal areas in the extreme points of the profile base and processing strips with subsurface adjustable depth of cutting of the upper soil layer, while simultaneously treating lower lying layer of the soil and subsoil solonetz with the introduction on the severed clumps chemical improver, the formation of layers of slurry in the cavity between undercut soil layer and treated with making improver, performance styling organomineralnoj mixture with inertsionnonapornoy fed through cavity midwater from 0.45 to 0.75 m parabolic racks bulk rippers and between them for knives at dumps, thus vodoreguliruyusch s screen is placed below solonetz layer in the form of two symmetrical layers of conjugated curved surfaces and interfaces excess level above the kraev.2. . Method biomelioratsii rainfed lands solonetz subsoil layer according to claim 1, characterized in that it comprises laying in water control screen organomineralnoj mixture, its composition,% vol:. 35 ... 50 plant residues
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