From January 1 next year to phase 1 of the discharge of the Lake upstream:Open the drain water into the watershed system. In this section based on the actual conditions of each local country regulatory flexibility to reasonably ensure enough water supply for the pump stations operated and does not affect the area of winter crops not yet harvested.The period of the upper reservoir to discharge the water phase 1, 2: maximum Open all drain water level raising irrigation system to the highest level. Exploited thoroughly the area flows out of the system and ensure adequate water supplies for the pump empties the pass. Operate the dam surges infield ensure surges of water and in the water circulation system. Then depending on the situation the actual requirements of each local regulation of water in the system affordable for the rich soil and other factors, the hollow was implanted, started cultivation.
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