Musyimi, D. . ., Ouma, E. . ., Auma, E. . ., Too, E. ., Ngode, L. . ., Kamau , C. . ., & Gudu, S. . (2022). Effect of ridging and intercropping on sorghum productivity in arid and semi-arid lands of eastern Kenya. African Crop Science Journal, 30(1), 87–100. https://doi.org/10.4314/acsj.v30i1.7