Mixed/inter/relay cropping is a common practice in the low level equilibrium farmers of semi-arid and arid tropics, whose primary concern is to insulate his investment on labour, and meagre capital against adversities of nature in order to sustain his living. The main consideration of mixing crops together is to reduce the risk of failure. The basic concept of intercropping systems involving growing together two or more crops with the assumptions that two crops could exploit the environment better than one and ultimately producing higher yields, the reason being that the component crops...