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We analyzed the degree of pollution of the water in irrigation ponds in part of Kagawa prefecture and simulated the amount of nitrogen in water to evaluate the beneficial effect of dredging and excava...
An investigation of agricultural chemicals and chemical fertilizer used by golf links were carried out from June 1991 to May 1992. Immediately after or during the rainfall, sampling for drainage was s...
For the simulation of water movement and pollutant transport in the hydromorphic soil profile two numerical models SWATREZ and UNDYS were used. These models are based on water movement in porous mater...

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