1. 2016-10-18 While doing legume intercropping research in South Africa (2010-2015), ECHO staff members learned about a system of cereal/cowpea production developed in Nigeria through research by IITA (International Institute of Tropical Agriculture) and national partners (Ajeigbe et al. 2010a, Ajeigbe et al....
  2. The 2:4 maize–double cowpea system consists of 4 rows of cowpea and 2 rows of maize, all planted on the same day. The second cowpea crop is planted after the first has been harvested (about 60 days after planting).1 The maize and cowpea are densely planted. The objective of this trial is to gain...