This is because soya bean farming in the country is still largely done by small farmers who grow the crop as a minor crop alongside major crops like maize, cowpea (beans) and cassava.
Dis na becos most of dose wey dey plant soya bean for di kontri be small farmers. Dem no dey plant am as di main crop, but dem dey use am support oda major crops like corn, cowpea (beans) and cassava.