Integrated numerical model of nitrogen transportation, absorption and transformation by two-dimension in soil-crop system |
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Authors: | WANG Hong-qi SHU Yan QI Yong-qiang ZHANG Jun |
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Affiliation: | College of Water Sciences, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Normal University, Beijing 100875,China |
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Abstract: | A series of simulation experiments of nitrogen transportation, absorption and transformation were conducted, and the different cropping patterns of winter wheat and wastewater irrigation plans were taken into consideration. Based on the experiments, an integrated model of crop growth, roots distribution, water and nitrogen absorption by roots, water and nitrogen movement and transformation in soil-crop system by two-dimension was developed. Parameters and boundary conditions were identified and an effective computing method for optimizing watering and wastewater irrigating plans was provided. |
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Keywords: | nitrogen absorption and movement integrated numerical model soil-crop system |
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