Viabilidade econômica da irrigação de cana-de-açúcar no cerrado brasileiro
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Data
2015
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Resumo
This study aimed to evaluate te economic viability of sugarcane irrigation in the Cerrado region
in function of perspectives of return associated with different irrigation management: i) full
blade (493.56 mm year -1 ); ii) supplement with deficit (50% of water requirement, 235.37 mm
year -1 ); iii) rescue (80 mm year -1 ). The total cost of the managements of full irrigation,
supplement with deficit and rescue in cane plant stage were 1* US$ 4,955.71 ha -1 , US$ 4,179.61
ha -1 , and US$ 2,712.92 ha -1 , respectively. The indicators analyzed showed that irrigation in
sugarcane generates over 30 years of investment in full irrigation management VPL =
Recebido em 11/06/2015 e aprovado para publicação em 25/06/2015150
Viabilidade econômica da irrigação...
US$ 620.39 ha -1 year -1 , TIR = 61.11%, Payback = 3 years and Ratio B/C = 1.7. In the deficit
irrigation VPL = US$ 433.89 ha -1 year -1 , TIR = 52.99%, Payback = 3 years and Ratio B/C =
1.5 and in the rescue irrigation, VPL = US$ 309.46 ha -1 year -1 TIR = 91.48%, Payback = 3 years
and B/C = 1.4. The full irrigation presented the highest profitability, followed by irrigation with
deficit with profit 30.06% lower, and rescue equipment, with a 50.11% lower profit that full
irrigation US$ = R$ 3,18 07/07/2015
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Manejo da irrigação, Cerrado, Saccharum spp., Análise econômica, Irrigation management, Cerrado, Economic analysis, Saccharum spp.
Citação
PEREIRA, Rodrigo Moura; ALVES JÚNIOR, José; CASAROLI, Derblai; SALES, Deborah Lidia; RODRIGUEZ, Walter Danilo Maradiaga; SOUZA, João Maurício Fernndes. Viabilidade econômica da irrigação de cana-de-açúcar no cerrado brasileiro. Irriga, Botucatu , n. esp. 2, p. 149-157, 2015.