热带农田灌溉水质的影响

IF 3.1 Q2 ENVIRONMENTAL SCIENCES
B. Tamara, A. Torregroza-Espinosa, D. Osorio, M. Pallares, A. Paternina, A. González
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引用次数: 1

摘要

背景与目的:灌溉系统水质是一个复杂的问题,涉及各种地表水管理参数的综合影响。监测灌溉水质对作物生产和生产力的可持续性至关重要。苏克雷省位于哥伦比亚北部,主要是一个牧场和农业地区,农业是主要的生计来源。本研究的目的是评估141个农场灌溉系统中地表水的物理化学质量。方法:采集水样141份,测定22项理化参数。所有现场测量和实验室分析均采用标准方法进行。所得结果与联合国粮食及农业组织和世界卫生组织提出的国际标准进行了比较。采用灌溉水分类图测定盐度和碱度,通过相关分析评价22个变量之间的相关程度。结果:所得结果表明,根据测量参数,水被分类为适合用于灌溉系统。pH最大值为9.32,最小值为4.40;电导率最大值为669µS/cm,最小值为19.80µS/cm;总溶解固形物的最大值和最小值分别为478和11.80 mg/L,钠吸附比的最大值和最小值分别为1.72和0.01 mEq/L。结论:正离子和阴离子浓度均在联合国粮农组织和世界卫生组织允许的范围内。根据灌溉水分类图,水被分为C1S1和C2S1,这意味着它们在灌溉系统中的使用没有限制,水类型(I)和类型(II)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Implications of irrigation water quality in tropical farms
BACKGROUND AND OBJECTIVES: Irrigation system water quality is a complex issue that involves the combined effects of various surface water management parameters. Monitoring of irrigation water quality is essential for the sustainability of crop production and productivity. The department of Sucre, in northern Colombia, is predominantly a ranching and agricultural region where agriculture is the main source for livelihoods. The purpose of this study was to assess the physicochemical quality of surface water in irrigation systems at 141 farms.METHODS: To this end, 141 water samples were taken to determine 22 physicochemical parameters. All in-situ measurements and laboratory analysis were performed using standard methods. The results obtained were compared with the international standards proposed by the United Nations’ Food and Agriculture Organization and the World Health Organization. Salinity and sodicity were measured using the irrigation water classification diagram, and the level of correlation between the 22 variables was assessed by means of correlation analysis.FINDINGS: The results obtained indicate that based on the measured parameters, the water is classified as appropriate for use in irrigation systems. The maximum and minimum pH values were 9.32 and 4.40, respectively; the maximum and minimum values of electrical conductivity were 669 and 19.80 µS/cm respectively; the maximum and minimum values of total dissolved solids were 478 and 11.80 mg/L respectively, and the maximum and minimum values of the sodium adsorption ratio were 1.72 and 0.01 mEq/L, respectively. CONCLUSION: Cation and anion concentrations were within the limits allowed by the Food and Agriculture Organization and the WHO. According to the irrigation water classification diagram, the waters were classified as C1S1 and C2S1, which implies that there are no restrictions for their use in irrigation systems, water type (I) and type (II).
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来源期刊
CiteScore
7.90
自引率
2.90%
发文量
11
审稿时长
8 weeks
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