农田排水(farmland drainage)是指将农田中过多的地面水、土壤水和地下水排除,改善土壤的水、肥、气、热关系,以利于作物生长的人工措施。
... Agricultural credit cooperative 农业信用合作社 Agricultural drainage 农田排水 Agricultural exports 农产品出口 ...
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... exterior drainage 外流水系 external drainage 外排水,地面排水;外流水系,入海水系,通海水系 farm drainage 农田排水 ...
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文章详细信息 关键词: 农田排水;灌溉水质;棉花产量;塔里木灌区 [gap=702]Keywords: Farmland drainage;irrigation water quality;cotton production;Tarim irrigation area
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Aiming that,the necessity of research on the integrated control criteria of farmland drainage was raised. Besides,its development trend and some questions needed deeper research were also illustrated.
从经济、环境、生态及社会等方面总结了农田排水标准的研究现状,对农田排水标准的经济、环境、生态及社会属性进行分析,指出单纯依靠经济评价确定排水标准的不足,提出研究、建立农田排水综合控制标准的必要性和发展方向以及对此需要进一步研究的问题。
参考来源 - 基于多属性分析的农田排水标准Lake Wuliangsuhai is a freshwater lake mainly supplied by farmland drainage in HETAO Irrigation Area.
乌梁素海是以河套灌区的农田排水为主要补给的淡水湖泊。
参考来源 - 乌梁素海农田面源入湖量的核算研究Therefore,Paddy field drainage should be prohibited from discharging into wetland directly because of the unbalance of N/P otherwise it will threaten the stability and bio-productivity of wetland eco-systems.
由于农田排水中磷的含量相对较高,造成湿地水系统N/P失衡,对湿地毛果苔草生态系统的稳定性和生物生产力形成潜在的威胁,因此应控制农田排水直接排入沼泽湿地。
参考来源 - 农田排水对沼泽湿地毛果苔草的影响及效应·2,447,543篇论文数据,部分数据来源于NoteExpress
自17世纪以来,农田排水设施一直是高效农业的先决条件之一。
Since the 17th century, field drainage has been one of the prerequisites of efficient agriculture.
在农田排水中常常采用砾石或过滤层来防止粉细砂和泥沙进入排水沟。
In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains.
农田排水是造成农业非点源污染的一个重要来源,由于其具有分散性而难以人为控制。
Agricultural drainage is one of important contributors of non-point source pollution, and it is difficult to treat in practice due to its dispersed nature.
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