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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