Proceeding of Annual Conference
Proceedings of 2021 Annual Conference, Japan Society of Hydrology and Water Resources/Japanese Association of HydrologicalSciences
Session ID : PP-B1-41
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Annual fluctuation of TN effluent load reduction to North-Imbanuma by cyclic irrigation
*Toshiaki IidaShuto OtaMasaomi Kimura
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Abstract

The nutrient effluent load from the surrounding paddy fields to Imbanuma was evaluated by frequent water quality observation 2-3 times a week. The total effluent load of TN was calculated for 3 years of irrigation periods. The reduction effects of nitrogen effluent by cyclic irrigation was quantitatively shown.

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