Abstract
Field experiments were conducted in the 2019 and 2020 early cropping seasons at the University of Calabar Teaching and Research Farm, Calabar, Nigeria, to assess the profitability of inter-cropping cassava with turmeric. There were seven treatments: sole cassava, sole turmeric, cassava intercropped with turmeric at 66,666; 50,000; 40,000; 35,714 and 28,571 turmeric plants/ha, laid out in a randomized complete block design (RCBD) and replicated three times. The cost implication of the technology was analyzed by computing the production cost, gross income, gross margin, benefit/cost ratio and percentage net returns of each treatment. Results showed that maximum cost was incurred by cultivating cassava with the highest turmeric density of 66,666 turmeric plants/ha (30 cm x 50 cm spacing of turmeric). The lowest average percentage net return of 29.34 % was obtained from sole turmeric treatment plot. The inter-crop mixture with the lowest turmeric population density of 28,571 plants/ha produced the highest percentage net return of 62.78 % on the 2 year- average, and could therefore be recommended for optimum cassava/turmeric intercrop produc
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