Effect of Spatial Arrangement on Yield and Resource Efficiency of Maize-Sweetpotato Intercrop in a Midland Agro-Ecology of Embu, Kenya

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The 2:4 maize-sweetpotato intercrop configuration recorded the highest land equivalent ratio of 1.53-1.56, optimizing resource efficiency.
Sole maize yielded 3.1-5.0 t/ha biomass, while sweetpotato varieties produced up to 12.1 t/ha in root yields, showcasing their individual productivity.
Intercropping balances both grain and root yields, making it a viable option for farmers to maximize outputs on limited land.
The economically viable 2:2 arrangement supports wider adoption of intercropping, addressing food insecurity in resource-constrained farming systems.

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Farmer-managed trials showed that maize-sweetpotato intercrop configurations enhanced resource efficiency and yields in Kenyas midland agro-ecology.

Agili et al. (2025) studied this question.

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Farmer-managed trials showed that maize-sweetpotato intercrop configurations enhanced resource efficiency and yields in Kenyas midland agro-ecology.