【摘要】 本文在研究分析国内外大量文献的基础上介绍了集水节水技术和土壤蓄水保墒技术的研究概况，为干旱半干旱地区水资源的合理开发利用提供了科学依据更多还原

【Abstract】 Drought is a serious problem challenging the whole world, 35% of the global land area is arid or semi arid, covering over 60 countries and regions of the world. The arid and semi arid areas in China occupy 52.5% of the total territory. Based on literature review, the authours outline techniques to collect, save water and keep moisture in soil, and provide with references for exploitation and utilization of water resources in the arid and semi arid regions.更多还原