| 非饱和土壤中氮素运移与转化试验及其数值模拟 |
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| 引用本文： | 冯绍元,张瑜芳.非饱和土壤中氮素运移与转化试验及其数值模拟[J].水利学报,1996,11(8):8-15. |
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| 作者姓名： | 冯绍元 张瑜芳 |
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| 作者单位： | 北京农业工程大学，武汉水利水电力大学 |
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| 基金项目： | 国家自然科学基金,水利水电基金 |
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| 摘 要： | 本文在室内试验的基础上，提出了考虑土壤吸附作用时非饱和土壤溶液中ＮＨ＋４－Ｎ浓度的计算方法，并对氮肥（碳铵：ＮＨ４ＨＣＯ３）在非饱和土壤中的运移与转化过程进行了数值模拟．
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| 关 键 词： | 非饱和土壤 氮肥 数值模拟 运移 试验 |
Experimental study and numerical modelling of nitrogen transport and transformation in unsaturated soils |
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| Feng Shaoyuan.Experimental study and numerical modelling of nitrogen transport and transformation in unsaturated soils[J].Journal of Hydraulic Engineering,1996,11(8):8-15. |
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| Authors: | Feng Shaoyuan |
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| Affiliation: | Feng Shaoyuan (Beijing Agricultral Engineering University) Zhang Yufeng; Shen Rongkai (Wuhuan Univ. of Hydraulic an Electric engineering) |
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| Abstract: | On the basis of laboratory experiments, the calculation method for concentration in unsaturated soils moisture considering soil absorption is developed. The mathematical model of the transport and transformation of NH-N in unsatutsted soils is established and solVed by the method of finite difference. The calculated results are compared with the observed data, well agreement is attained. |
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| Keywords: | unsaturated soil N-fertilizer Numerical Simulation |
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