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Table 8 Discounted cash flows (FCFA)

From: Economic analysis and food security contribution of supplemental irrigation and farm ponds: evidence from northern Burkina Faso

Ponds categories Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Year 10 Year 11 Year 12 Year 13 Year 14 Year 15
Pond 1: bottom and walls not waterproofed  − 739,722  − 565,067  − 390,413  − 215,759  − 41,104  − 5,926 168,728 343,383 518,037 692,691 727,870 902,524 1,077,178 1,251,833 1,426,487
Pond 2: waterproof bottom of clay and cemented walls  − 887,722  − 713,067  − 538,413  − 363,759  − 189,104  − 15,3926 20,728 195,383 370,037 544,691 579,870 754,524 929,178 1,103,833 1,278,487
Pond 3: tarpaulin bottom and cemented walls  − 1,675,722  − 1,501,067  − 1,326,413  − 1,151,759  − 97,7104  − 941,926  − 767,272  − 592,617  − 417,963  − 243,309  − 68,654 106,000 280,654 455,309 629,963
Pond 4: tarpaulin bottom and tarpaulin walls  − 2,133,722  − 1,949,067  − 1,764,413  − 1,579,759  − 1,395,104  − 1,349,926  − 1,165,272  − 980,617  − 795,963  − 611,309  − 566,130  − 381,476  − 196,822  − 1,2167 172,487