METHOD OF AGRICULTURAL SOIL DEGRADATION REDUCTION Russian patent published in 2008 - IPC E02B11/00 

FIELD: agriculture.

SUBSTANCE: invention refers to agricultural reclamation, specifically to closed lowered soil protection from overwetting and siccation. Method of agricultural soil degradation reduction includes water supply from outfall drain through manifold to open feed collecting channel and build up of water backup during spring-and-summer period. Open feed collecting channels are laid graded to manifold through two and more closed lowering. During autumn-and-winter period water backup in collecting channels are lowered to the level preventing overwetting and siccation of closed lowered soil.

EFFECT: increased efficiency of excess water drainage from closed positions and siccation prevention during spring-and-summer period.

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