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The purpose. To justify directions of redesign and engineering modernization of working MS in the Western Polisia for their efficient exploitation in modern conditions and to determine main routes of support of agrarian production, ensuring the maximum utilization of agricultural potential of ameliorated lands. Methods. Statistical, field, computer simulation. Results. Modular approach is offered of differentiation of operation of system Sarnenska DS with decentralized control on each module with hydroregulator of level. Simulation modeling of scripts of support of production on ameliorated lands is realized, economic assessment of their agricultural potential is made. Conclusions. It is proved that at application of modular approach of exploitation of MS it is possible to sustain necessary level of soil waters of sewed soils within the limits of 0,6 — 1,1 m during vegetative period. Results of simulation modeling of support of agrarian production on prototype system show that at efficient exploitation of MS and secured water-aerial regime of lands profitableness can grow in 4 times. Implementation of the offered method in analogous systems of Western Polisia will allow using efficiently more than 1,1 million hectares of available reclaimed lands with the maximum level of profitableness up to 12 thousands hrn/hectare.

Modular principle of exploitation of drainage systems for implementation of agricultural potential of ameliorated lands of the Western Polisia