The aim of this article was to investigate the effect of different mulching and intercropping techniques in maize cultivation with particular focus on weed control, using a randomized complete block design with four replicates to determine the financially optimum method. Field experiment was performed at two different geographical locations which were Nkakom, Nwabiagya District in the Ashanti region of Ghana and Changchun, Jilin-China during 2017 and 2018 cropping seasons, respectively. The experiment consisted of 4 treatments which were control (no mulch), maize (Zea mays L.) straw-maize, green gram (Vigna radiate)-maize intercrop and groundnut (Arachis hypogaea)-maize intercrops. Measured agronomic parameters were weed biomass, maize yield and legume yields. Green gram-maize intercrop recorded the lowest weed biomass and the control (no mulch) recorded the highest weed biomass. There were no significant differences between maize yields measured. Economic analysis of data was carried out with partial farm budgeting. The highest financial net return was obtained in the green gram-maize intercrop whiles the lowest was recorded in control (no mulch) treatment at the two different geographical locations.
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