农业水资源是可为农业生产使用的水资源,包括地表水、地下水和土壤水。其中,土壤水是可被旱地作物直接吸收利用的唯一水资源形式,地表水、地下水只有被转化为土壤水后才能被作物利用。经必要净化处理的废污水也是一种重要的农业用水水源。大气降水被植物截留的部分也可视作农业水资源,但因其量较小(仅占全年降雨量的2.5%左右)通常被忽略。
浅析广西农业水资源高效利用对策 --中国期刊网 关键词】农业水资源;高效利用;对策 [gap=649]Key words】Agricultural water resources; Efficient usage; Countermeasures
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With the sharp increase of population, rural economic development, and quickening pace of construction of small town, the shortage of agricultural water resources has been become a constraint for the development of irrigation districts.
随着人口激增、农村经济发展和小城镇建设步伐的加快,农业水资源短缺问题越来越严重地制约到灌区的发展。
参考来源 - 基于供需平衡的灌区水资源合理配置研究·2,447,543篇论文数据,部分数据来源于NoteExpress
农业节水区划是农业水资源高效利用规划和实施的重要依据。
Agricultural water saving zoning is an important reference of agricultural water resources programming.
本文分析了我国的农业水资源现状及存在的问题,并提出若干保护农业水资源安全的对策。
This paper analyzed the current situation and problems of China's agricultural water resource, then put forward some countermeasures to protect agricultural water resource and water environment.
定义这一概念可以为开展农业水资源安全研究、确定农业水资源安全的理论框架、建立农业水资源安全评价体系提供一定的理论参考。
The definition will be the frame of reference for developing the researches, limiting the frame of the theory, and founding a appraising system for agricultural water resources security.
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