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Plant Science Today (PST)

Review Articles

Vol. 12 No. 3 (2025)

Cassava intercropping systems for enhanced land productivity and farmer livelihoods: A review

DOI
https://doi.org/10.14719/pst.8409
Submitted
20 March 2025
Published
26-07-2025

Abstract

Cassava is a tropical root vegetable from the Euphorbiaceae family, commonly cultivated for its starchy roots. It serves as a significant source of carbohydrates and calories, especially in Africa, where it contributes to more than 65 % of the global cassava production. Due to its long growth duration, broad spacing requirements, and slow early–stage development, this crop presents an opportunity for interplanting with short–duration species, thereby enhancing resource utilisation, land–use efficiency and overall biological productivity. Cassava–based intercropping is widely practised in tropical regions with moderate to high humidity. Intercropping offers several advantages, including enhanced pest control, improved soil health and more effective weed management. Growing cassava alongside short–term crops, such as maize or legumes, can enhance resource utilisation, increase yields and improve the efficiency of land use. The Land Equivalent Ratio (LER) assesses the biological efficiency and economic benefits of intercropping systems about monocultures. Cassava–maize intercropping is an extensively utilized and efficient system, as the crops exhibit complementary growth habits and resource needs. Growing cassava with legumes like cowpea, groundnut and soybean can boost soil fertility via nitrogen fixation, improve weed management and raise total productivity per land area. Intercropping can also reduce the risks associated with monoculture and offer additional sources of income for small landholders.  

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