Edwin Kimutai Kanda, Aidan Senzanje, & Tafadzwanashe Mabhaudhi. (2020). Effect of Moistube and subsurface drip irrigation on cowpea (Vigna unguiculata (l.) Walp) production in South Africa. Water SA, 46(2 April). https://doi.org/10.17159/wsa/2020.v46.i2.8234