October 7, 2025

Productivity of Maize–Cowpea Intercrops as Influenced by Cowpea Varieties and Row Arrangements in the Sudan Savannah of Kano, Nigeria

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Field study evaluates maize-cowpea intercropping with different row arrangements and varieties in Nigeria, suggesting optimal practices.

Maize distinguished with SAMPEA 21 under the 1M:1C arrangement produced the tallest plants and highest yield.
The intercropping arrangement of 1:2 reduced maize yield to 0.95 t ha⁻¹ at Minjibir, indicating variability based on row setups.
Land use efficiency significantly improved in intercropping systems, achieving a land equivalent ratio of 1.64 at BUK with SAMPEA 21.
The study advocates the 1M:1C intercropping system using SAMPEA 21 for enhanced productivity in the Sudano-Sahelian agroecological zone.

Bello et al. (2025) studied this question.

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