Water sustainability and economic performance of the Irriga Pote system in family farming in Northeastern Pará, Brazil.
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This study analyzes the water sustainability and economic performance of the Irriga Pote system in family farming in Northeastern Pará, considering a five-year time horizon. IrrigaPote is a social technology for autonomous irrigation, characterized by low cost and high water efficiency, which enables the gradual redistribution of soil moisture through interconnected ceramic pots regulated by a float system. The research was conducted using empirical data obtained from a demonstrative unit in the citrus hub of Capitão Poço, integrating analyses of costs, revenues, cash flow, and financial indicators such as Net Present Value (NPV), Internal Rate of Return (IRR), and Benefit-Cost Ratio (B/C). The results indicate that the system requires a low initial investment and ensures rapid financial recovery, with a positive NPV, an IRR above 60%, and a B/C ratio greater than 1. Furthermore, the use of rainwater and the absence of electricity costs significantly reduce operating expenses, increasing the profitability of citrus production and intercropped crops. The economic model demonstrates that IrrigaPote is not only financially viable but also contributes to the rational management of water resources and the strengthening of food security. It is concluded that the adoption of IrrigaPote represents a promising strategy for the sustainable development of family farming in the region, combining economic efficiency, technological innovation, and environmental sustainability.
Palabras clave
Irrigapote, Tecnologia social, Irrigação, Agricultura Familiar, Análise Econômica, Amazonia