Based on the experiment of soil water and salt movement in salty wasteland,the saturated and unsaturated zone-based soil water-salt transport model has been established.With the groundwater depth as key regulation factor,the soil salt and water change regularities in different periods and with different groundwater depth conditions have been simulated by the hydrus software.Though the model inverse calculation,the groundwater depth critical value for preventing soil salinization in different periods have be...
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