in Niger State, Nigeria. The study employed a multistage stratified and systematic ransom
sampling to select market and respondents for the study. Markets selected were Kontagora
market in (production region), Sabon wuse market in Tafa (transitory region) and Minna
market in (consumption region). Time series data for the price quality information ere
obtained from respondents in these markets. Cowpea samples purchased every month from …