Table 3: Effect of crop sequence on maize grain yield at 12% moisture content.

Crop sequence Maize grain yield (t ha−1) 2007/2008 2008/2009 Pigeonpea 7.0 2.3 Ex-Subi 4.6 1.9 Boakentemma 3.5 1.4 Cowpea-Maize-Cowpea 3.0 1.5 Groundnut-Maize-Groundnut 2.7 1.6 Maize-Maize-Maize 2.3 1.3 LSD at 5% 1.4 0.58

Source [13].