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Research Advances of Water and Nitrogen Transportation in Soil under Water Storage Pit Irrigation
Author(s): 
Pages: 50-52
Year: Issue:  7
Journal: Water Saving Irrigation

Keyword:  water storage pit irrigationwater in soilnitrogen transport;
Abstract: 为了提高蓄水坑灌条件下土壤水氮的利用率,减少由于灌施不当造成的资源浪费和环境污染,综述了蓄水坑灌土壤水分入渗过程中的变水头入渗、土壤水分分布特性、土壤水分蒸发特性、影响因素以及肥液入渗过程中氮素的分布特性和数值模拟等方面的研究进展和存在问题,提出了蓄水坑灌法今后应亟需加强的研究方向,为蓄水坑灌理论与技术的进一步研究奠定基础。
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