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Table 5 Economic evaluation of the treatments at Pougyango (CFA/ha)

From: Climate-smart soil water and nutrient management options in semiarid West Africa: a review of evidence and analysis of stone bunds and zaï techniques

  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
  1. 1 euro = 655.95 CFA (Table adapted from Barro et al. [32]).