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

Table 8 Discounted cash flows (FCFA)

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

ISSN: 2048-7010