IJEP 41(7): 816-826 : Vol. 41 Issue. 7 (July 2021)
1. Hospital El Ghassani, Regional Laboratory of Epidemiologic Diagnosis and Hygiene of the Medium, Regional Management of Health, Fez, Morocco
2. High School of Technology, Laboratory of Catalysis, Materials and Environment, Fez, Morocco
3. Ibn Tofail University, Laboratory of Materials, Electrochemistry and Environment, Faculty of Sciences, Kenitra, Morocco
4. Sidi Mohamed Ben Abdellah University, Laboratory of Natural Resources and Environment, Faculty of Polydisciplinary of Taza, Route of Oujda, Taza, Morocco
5. Moulay Ismail University, Faculty of Sciences, Department of Chemistry, Materials, Membranes and Processes of Separation Team, Zitoune, Meknes, Morocco
Abstract
This work is part of the characterization of the chemistry of water for irrigation in the region of Fez in Morocco. To carry out this study, 22 samples were taken during two different periods of the year (high water period and rainy return period). Principal component analysis (PCA) applied to the data sets revealed that among the eighteen variables studied, fourteen participate in the constitution of the factor axes. The four remaining variables, namely pH, Ni, Co and As, therefore, do not play an important role in determining the typology of the biotope studied. Moreover, the results obtained indicate that the physico-chemical and toxic (heavy metals) quality of the water used for crop irrigation still does not meet the criteria for use in agriculture. The irrigation water used in the stations located downstream of the industrial discharges of the city of Fez is characterized by high percentages of heavy metals, such as chromium. The protection of water resources and the treatment of polluted water are necessary to ensure that this water can be used in agriculture.
Keywords
Principal component analysis, Heavy metals, Physico-chemical, Water quality, Fez, Morocco
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