Table 5 Economic evaluation of the treatments at Pougyango (CFA/ha)
Control | Soil scarifying | Manual zaï | Mechanized zaï with excavation | Mechanized zaï | |
|---|---|---|---|---|---|
Soil tillage cost | 0 | 3,000 | 55,000 | 26,900 | 15,000 |
Total cost | 58,333 | 69,003 | 166,698 | 93,659 | 76,790 |
Income grains | 29,820 | 49,560 | 146,160 | 201,740 | 191,380 |
Income straw | 12,668 | 14,220 | 37,808 | 56,970 | 52,748 |
Total income | 42,488 | 63,780 | 183,968 | 258,710 | 244,128 |
Benefit (income-cost) | -15 846 | -5,223 | 17,270 | 165,051 | 167,337 |
Additional costs | - | 0 | 52,000 | 23,900 | 12,000 |
Total benefits | - | 0 | 120,188 | 194,930 | 180,348 |
Ratio cost/benefit | - | - | 2,31 | 8.16 | 15.03 |