The study revealed that the mix-proportion of 50 maize: 50 cowpea, gave a similar grain yield compared to other intercropped plots, better land use efficiency, significantly (p≤ 0.05) lowest actual yield loss of 23 % and a significantly (p≤ 0.05) higher intercropping advantage of +574.66. The study also revealed that intercropping systems could be an eco-friendly approach for reducing weed problems through non-chemical methods, mix-proportion of 50 maize: 50 cowpea,planted on alternate rows could be a better intercropping pattern.