加那利群岛耶罗岛通过淡水和淡化海水相结合的香蕉作物灌溉管理战略

IF 2.3 Q2 Environmental Science Journal of Water Reuse and Desalination Pub Date : 2021-03-12 DOI:10.2166/WRD.2021.078
Sergio J. Álvarez-Méndez, Isidro Padrón-Armas, J. Mahouachi
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引用次数: 2

摘要

目前自然水资源的缺乏,主要是由于缺乏足够的降水和灌溉水质量的恶化,迫切需要寻找替代资源,特别是在干旱和半干旱地区。海水淡化在许多缺水地区已经建立起来。为了研究常规淡水和脱盐海水(DSW)组合对作物矿物质营养变化的影响,在Frontera(El Hierro,Canary Islands)进行了一个基于Musa acuminata AAA植物的实验系统。数据显示,用淡水和DSW的混合物灌溉的香蕉作物表现出足够的营养状况,并且没有受到任何盐离子(Na和Cl)或B毒性的伤害。此外,植物可以耐受更高浓度的这些元素和其他必需微量营养素的主要供应。所获得的结果表明,至少在测试的实验条件下,用淡水和DSW组合灌溉作物是应对高需水量的良好策略。这一策略在干旱地区以及其他季节性降水稀少的地区(如地中海或加那利群岛)可能非常有用。
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Irrigation management strategies through the combination of fresh water and desalinated sea water for banana crops in El Hierro, Canary Islands
The current lack of natural water resources, mainly due to the absence of sufficient precipitation and the deterioration of irrigation water (IW) quality, urgently requires a search for alternative resources, especially in arid and semiarid areas. Desalination of sea water is well established in numerous regions where water is scarce. To investigate the effects of the combination of regular fresh water and desalinated sea water (DSW) on mineral nutrient changes in crops, an experimental system based on Musa acuminata AAA plants was performed in Frontera (El Hierro, Canary Islands). Data showed that banana crops irrigated with a mixture of fresh water and DSW exhibited an adequate nutritional status and did not suffer any injuries of salt ions (Naþ and Cl ) or B toxicity. Moreover, plants may tolerate higher concentrations of these elements and a major supply of the other essential micronutrients. The obtained results suggest that irrigating crops with a combination of fresh water and DSW is a good strategy to respond to the high water requirements, at least under the tested experimental conditions. This strategy could be very helpful in arid regions, as well as in other areas where precipitation is seasonal and scarce, like the Mediterranean or the Canaries.
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来源期刊
Journal of Water Reuse and Desalination
Journal of Water Reuse and Desalination ENGINEERING, ENVIRONMENTAL-WATER RESOURCES
CiteScore
4.30
自引率
0.00%
发文量
23
审稿时长
16 weeks
期刊介绍: Journal of Water Reuse and Desalination publishes refereed review articles, theoretical and experimental research papers, new findings and issues of unplanned and planned reuse. The journal welcomes contributions from developing and developed countries.
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