Water and Salt Transport on Saline Water Irrigation
Wei Wang
Abstract
Wei Wang
Abstract
The fresh water resource is scarce in the Hetao Irrigation District. Therefore, it is of importance to study saline water irrigation and its impact on soil salinity balance. A saline water irrigation experiment was conducted in Hongwei Water Saving Irrigation Experiment Station during the growing period of sunflower and spring wheat, from middle of Apr. to the end of Nov. in 2002.The results of experiment show that the accumulated salt because of saline irrigation can be removed by the autumn irrigation.SWAP (SoilWaterAtmospherePlant) model developed by Wageningen agricultural college were used as aanalyzing tool. The parameters in the model were calibrated with the data of the saline water irrigation experiment.
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The fresh water resource is scarce in the Hetao Irrigation District. Therefore, it is of importance to study saline water irrigation and its impact on soil salinity balance. A saline water irrigation experiment was conducted in Hongwei Water Saving Irrigation Experiment Station during the growing period of sunflower and spring wheat, from middle of Apr. to the end of Nov. in 2002.The results of experiment show that the accumulated salt because of saline irrigation can be removed by the autumn irrigation.SWAP (SoilWaterAtmospherePlant) model developed by Wageningen agricultural college were used as aanalyzing tool. The parameters in the model were calibrated with the data of the saline water irrigation experiment.
Key concepts: Irrigation, Environmental science, Saline water, Soil salinity, Salinity, Hydrology (agriculture), Leaching model, Soil salinity control