Ibraheem Alshareef, Abo Sesay, Debbie Sparkes and Sayed Azam-Ali 2018. The effect of sowing date and late season drought on growth and development of bambara groundnut ( Vigna subterranea (L.) Verdc) landraces under field conditions in Botswana. Journal of Pure & Applied Sciences . 17, 1 (Jul. 2018). DOI:https://doi.org/10.51984/jopas.v17i1.91.