Skip to main content

Table 7 IRR and NPV of the supplemental irrigation system on 0.25 ha of corn

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

Pond categories IRR NPV
5% 10% 12.5% 15% 20% 25% 30%
Pond 1: bottom and walls not waterproofed 19.5% 756,390 369,568 238,707 21,141  − 10,870  − 144,460  − 169,238
Pond 2: waterproof bottom of clay and cemented walls 15.2% 615,438 235,022 107,151 7,185  − 13,4204  − 224,408  − 283,084
Pond 3: tarpaulin bottom and cemented walls 4.5%  − 53,490  − 432,456  − 555,114  − 648,053  − 856,457  − 842,827  − 912,311
Pond 4: tarpaulin bottom and tarpaulin walls 1.1%  − 476,956  − 830,735  − 942,964  − 1,026,516  − 1,134,116  − 1,190,615  − 1,216,555
Pond categories NPV
35% 40% 45% 50% 55% 60% 65% 70%
Pond 1: bottom and walls not waterproofed  − 213,954  − 241,265  − 261,305  − 274,930  − 283,992  − 289,753  − 293,092  − 294,635
Pond 2: waterproof bottom of clay and cemented walls  − 321,647  − 346,979  − 346,979  − 373,597  − 379,476  − 382,253  − 382,789  − 381,693
Pond 3: tarpaulin bottom and cemented walls  − 900,212  − 906,392  − 904,481  − 902,578  − 886,739  − 876,355  − 859,800  − 844,816
Pond 4: tarpaulin bottom and tarpaulin walls  − 1,223,763  − 1,219,283  − 1,207,443  − 1,190,976  − 117,1642  − 1,150,601  − 1,128,625  − 1,106,236