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Table 4 Grain and biomass production on deep, brown Eutropept soil, at Taonsogo, Burkina Faso

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

Treatment 1992 1993
Kg ha-1 ±S.D. Test1 Kg ha-1 ± S.D. Test1
Grain production
 Control 150 ±154 a 3 ±0.6 a
 Pit 200 ±63 a 13 ±4.2 a
 Pit + neem leaves 395 ±151 ab 24 ±7.3 a
 Pit + compost2 654 ±145 abc 123 ±82.5 a
 Pit + mineral fertilizer 1,383 ±236 bc 667 ±256.3 b
 Pit + compost + mineral fertilizer 1,704 ±305 bc 924 ±346.8 b
Biomass production
 Control 946 ±529 a 167 ± 75 a
 Pit 1,329 ±549 a 292 ± 49 a
 Pit + neem leaves 1,990 ±207 ab 875 ± 172 ab
 Pit + compost2 2,843 ±945 abc 1,417 ± 511 bc
 Pit + mineral fertilizer 4,839 ±1,105 bc 2,375 ± 706 bcd
 Pit + compost + mineral fertilizer 5,333 ±1,490 bc 3,250 ± 857 cd
  1. 1Tukey-Kramer test (P <0.05). a, b, c, d express statistical differences. Treatments with the same letter are not statistically different at P = 0.05.
  2. 2Compost: 3 Mg ha-1 of a mixture of dry manure, straw and various crop residues composted during three dry months. Table adapted from Roose et al. [20].