Abstract
Reclaimed wastewater has been used extensively as a source of irrigation water for centuries. In addition to provide a low water source cost, other side benefits include increases in crop yields and decreased reliance on chemical fertilizers. One of the main aspects of the wastewater related to its quality is the kind of treatment used. Thus, three wastewater plants were studied. The quality of the final effluents of three different reclamation plants was analysed, in order to apply them on irrigated crops. From these final effluents, it was shown that two of them had good quality to be reused on irrigation, and the characteristics of the one were not good enough to be reused, due to the large concentration of pathogens. Those effluents of better quality were applied to lawngrass, composed by Bermuda grass and Dallis grass, in order to study the response of this lawngrass to the application of this final effluent. It was concluded that for a crop coefficient around 1.2, the lawngrass had a good visual rating, though a lower yield; additionally a very low soil and plant contamination was verified.
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© 1999 Kluwer Academic Publishers
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Gamito, P., Arsénio, A., Faleiro, M.L., Brito, J., Beltrão, J. (1999). The influence of waste water treatment on irrigation water quality. In: Anac, D., Martin-PrÉvel, P. (eds) Improved Crop Quality by Nutrient Management. Developments in Plant and Soil Sciences, vol 86. Springer, Dordrecht. https://doi.org/10.1007/978-0-585-37449-9_61
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DOI: https://doi.org/10.1007/978-0-585-37449-9_61
Publisher Name: Springer, Dordrecht
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