| 摘要: |
| 地下滴灌是一种新型的节水灌溉技术 ,具有诸多优点 ,不仅在技术和经济方面 ,而且在生态环境保护方面都是最有发展前途的节水灌溉技术。对地下滴灌技术的发展历史、经济与环境效益进行了综述 ,并讨论了存在的问题 ,对研究的开展提出了一些建议。 |
| 关键词: 地下滴灌,节水增产,NO3-N淋溶 |
| DOI： |
| 分类号:S275.4;;S275.6 |
| 基金项目:国家杰出青年基金资助项目(49725102) |
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| The economic and environmental effect of subsurface drip irrigation |
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H K
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| Abstract: |
| In recent years,subsurface drip irrigation (SDI) has provoked interest for its effect of increasing crop yield and saving water.This paper introduces the developmental history of SDI,relates the economic and environmental effect of SDI,raises some existing problems and puts forward proposals. |
| Key words: subsurface irrigation,water saving and yield increasing,NO3-N leaching |
