Ecological ditch system for farmland return water pollution prevention and control and construction method
An ecological ditch and construction method technology, applied in the field of farmland non-point source pollution control, can solve the problems of no universally applicable ecological ditch, etc., and achieve the effects of easy implementation and promotion, simple process and daily maintenance, and improved purification capacity
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[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0028] Such as figure 1 with figure 2 As shown, the schematic diagram and structure diagram of the ecological ditch system of the present invention are provided respectively, and it is made up of hair canal 1, branch canal 2, storehouse / pond 3 and main canal 4, and hair canal 1 is arranged in the farmland 5 at intervals, and with The branch canal 2 is connected, and is used to discharge the farmland retreat water entering the hair canal 1 into the branch canal 2. Local plants 16 such as tartary buckwheat, purslane and pennisetum are planted in the hair canal 1, and the branch canal 2 enters the hair canal 1 There are multi-level stone steps 8 paved with gravel at the entrance, such as image 3 As shown, a cross-sectional view of the branch canal where the hair canal enters the branch canal in the present invention is provided. The multi-level stone s...
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