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Table 2 Variation of land equivalent ratio (LER) of cowpea and millet varieties intercropping between cropping years in the north of Burkina Faso (2013, 2014)

From: Combining soil fertilization, cropping systems and improved varieties to minimize climate risks on farming productivity in northern region of Burkina Faso

Crop combination M1C1 M1C2 M2C1 M2C2
Fertilizer 2013 2014 2013 2014 2013 2014 2013 2014
Control 1.22 ± 0.07 1.82 ± 0.17 1.12 ± 0.09 1.69 ± 0.20 1.13 ± 0.08 1.65 ± 0.06 1.33 ± 0.17 1.65 ± 0.06
Manure 1.16 ± 0.11 1.95 ± 0.16 1.13 ± 0.17 1.48 ± 0.18 0.91 ± 0.08 1.53 ± 0.04 1.53 ± 0.22 1.56 ± 0.06
Manure + NPK 1.09 ± 0.08 1.94 ± 0.05 1.15 ± 0.08 1.41 ± 0.15 1.24 ± 0.02 1.53 ± 0.20 1.52 ± 0.12 1.46 ± 0.15
NPK 1.14 ± 0.08 1.83 ± 0.19 1.11 ± 0.06 1.58 ± 0.12 1.16 ± 0.03 1.47 ± 0.19 1.42 ± 0.06 1.54 ± 0.06
Average 1.15 ± 0.08 1.88 ± 0.14 1.13 ± 0.10 1.54 ± 0.14 1.11 ± 0.05 1.55 ± 0.12 1.45 ± 0.12 1.55 ± 0.08
  1. M1 = Millet 1 = SOSAT, M2 = Millet 2 = IKMP5, C1 = Cowpea 1 = KVX 396-4-5-2D, C2 = Cowpea 2 = KVX 61-1, M1C1 = Intercropped Millet 1 and Cowpea 1, M1C2 = Intercropped Millet 1 and Cowpea 2, M2C1 = Intercropped Millet 2 and Cowpea 1, M2C2 = Intercropped Millet 2 and Cowpea 2