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    Retaining Performance of Four Types of Drainage Ditch on Phosphorus: Field Work

    Source: Journal of Irrigation and Drainage Engineering:;2020:;Volume ( 146 ):;issue: 011
    Author:
    Yu Bai
    ,
    Yuhong Zeng
    ,
    Qian Li
    DOI: 10.1061/(ASCE)IR.1943-4774.0001511
    Publisher: ASCE
    Abstract: Drainage ditches are effective agricultural facilities because they can drain excess water from the field, and an eco-friendly drainage ditch can also eliminate agricultural nonpoint source pollution effectively. Field work has been conducted in four types of drainage ditches with different revetment techniques, i.e., a two-stage ditch with a woodpile bank, a single trapezoidal ditch with a geotextile bag, a hollow hexagonal brick, and a reinforced vegetative bank revetment. The corresponding retention capacity of phosphorus in these ditches has been investigated. Results show that two-stage ditches can retain dissolved phosphorus (DP) more effectively compared to the other three single trapezoidal drainage ditches, and the retention efficiency is as high as 60%. The concentration of total suspended sediment (TSS) is positively correlated with that of total phosphorus (TP), and the retention capacity of drainage ditches on phosphorus will decrease as discharge increases. Current work proves that a well-designed two-stage section ditch can effectively eliminate the nonpoint source pollution during practical agriculture drainage application.
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      Retaining Performance of Four Types of Drainage Ditch on Phosphorus: Field Work

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4267005
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    • Journal of Irrigation and Drainage Engineering

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    contributor authorYu Bai
    contributor authorYuhong Zeng
    contributor authorQian Li
    date accessioned2022-01-30T20:43:24Z
    date available2022-01-30T20:43:24Z
    date issued11/1/2020 12:00:00 AM
    identifier other%28ASCE%29IR.1943-4774.0001511.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4267005
    description abstractDrainage ditches are effective agricultural facilities because they can drain excess water from the field, and an eco-friendly drainage ditch can also eliminate agricultural nonpoint source pollution effectively. Field work has been conducted in four types of drainage ditches with different revetment techniques, i.e., a two-stage ditch with a woodpile bank, a single trapezoidal ditch with a geotextile bag, a hollow hexagonal brick, and a reinforced vegetative bank revetment. The corresponding retention capacity of phosphorus in these ditches has been investigated. Results show that two-stage ditches can retain dissolved phosphorus (DP) more effectively compared to the other three single trapezoidal drainage ditches, and the retention efficiency is as high as 60%. The concentration of total suspended sediment (TSS) is positively correlated with that of total phosphorus (TP), and the retention capacity of drainage ditches on phosphorus will decrease as discharge increases. Current work proves that a well-designed two-stage section ditch can effectively eliminate the nonpoint source pollution during practical agriculture drainage application.
    publisherASCE
    titleRetaining Performance of Four Types of Drainage Ditch on Phosphorus: Field Work
    typeJournal Paper
    journal volume146
    journal issue11
    journal titleJournal of Irrigation and Drainage Engineering
    identifier doi10.1061/(ASCE)IR.1943-4774.0001511
    page8
    treeJournal of Irrigation and Drainage Engineering:;2020:;Volume ( 146 ):;issue: 011
    contenttypeFulltext
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