| 农田土壤水分的研究 |
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| 引用本文： | 马英.农田土壤水分的研究[J].华北水利水电学院学报(社会科学版),2009,25(5):23-25. |
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| 作者姓名： | 马英 |
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| 作者单位： | 华北水利水电学院,河南郑州450011 |
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| 摘 要： | 农田土壤水分变化规律对提高农业干旱防御能力、制定节水灌溉计划、提高水分利用效率具有重要意义.归纳了农田土壤水分的测定方法,阐述了反应土壤水分能量的土壤水势的概念及其测定方法,并分析了土壤水势与土壤含水量之间的关系.探讨了土壤？植物？大气动态水分连续体的关系,分析了土壤水分的有效性,指明了农田土壤水分的研究方向.
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| 关 键 词： | 农田土壤水分 测定 土壤水势 有效性 |
Research on Farmland Soil Water |
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| MA Ying.Research on Farmland Soil Water[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power(Social Sciences Edition),2009,25(5):23-25. |
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| Authors: | MA Ying |
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| Institution: | MA Ying(North China Institute of Water Conservancy and Hydroelectric Power,Zhengzhou 450011,China) |
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| Abstract: | Grasping the change rules of farmland soil water,have important signification for raising the resisting ability of agriculture dry,making the plan of water saving irrigation,and raising the efficiency of using water.The measurement and determination methods of farmland soil water are summarized,the concept and measurement and determination methods of soil water potential energy responsing soil water energy are elaborated,and the relations between soil water potential energy and soil moisture quantity are analyzed.The relations of the dynamic continuous body among soil,plant and atmosphere are probed,the validity of soil water is analyzed,the research direction of farmland soil water is pointed out. |
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| Keywords: | farmland soil water measurement and determination soil water potential energy validity |
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