Journal
AGRONOMY-BASEL
Volume 11, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/agronomy11112218
Keywords
tertiary water; reclaimed water; treated wastewater; agriculture; irrigation; greenhouse
Categories
Funding
- Spanish Ministry of Education, Science and Universities [FPU18/01778]
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The study aims to evaluate the impact of tertiary water on greenhouse agriculture investment and compare it with groundwater and desalinated water. The research demonstrates that tertiary water is not only financially and economically viable, but also the best alternative water resource in terms of profitability and sustainability compared to other water sources.
In a global context where agriculture is the major consumer of water, there is a pressing need to look for alternative water resources. In light of there being a lack of studies that compare the use of diverse water alternatives in different crops, the overall objective of this research is to evaluate the impact generated by the use of tertiary water from an economic and financial perspective and compare it with groundwater and desalinated water. To reach this objective, a detailed study of the cost structure of greenhouse investment has been developed. Furthermore, the most traditional indicators for investment profitability have been calculated for the three different water alternatives: tertiary water, groundwater and desalinated water. The cost analyses demonstrate the relative short reach that the price of water has in an area of greenhouse agriculture exploitation, which provides a margin of increasing water costs while still allowing for economic profit. Taking into account the three water resources considered, evidence shows that the use of tertiary water is not only financially and economically viable but is also the best alternative water resource above desalinated water in terms of profitability and sustainability.
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