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Modelling economic impacts of deficit irrigated maize in Brazil with consideration of different rainfall regimes

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Academic year: 2021

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Table 2 e Operation and irrigation costs used in simulations. Items Costs Operation costs Machinery (BRL ha 1 ) a 204.00 Labour (BRL ha 1 ) 47.00 Seeds (BRL ha 1 ) Set sprinkler 233.00 Drip 208.00 Fertilisers (BRL ha 1 ) Set sprinkler 1108.00 Drip 797.00 H
Table 4 e Physical and economic water productivity (WP and EWP) for all treatments.
Table 6 e Sensitivity analysis of the economic water productivity ratio, when considering the total farming costs (EWPR full-
Figure 1 shows that ISR treatments would lead to a positive farm income even if the irrigation costs were to represent half of the total production costs, with EWPR full-cost decreasing by 32.3 e 34.3% relative to present conditions
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