H. O. Odhiambo, C. K. Ong, J. Wilson, J. D. Deans, J. Broadhead, and C. Black, “Tree-crop Interactions for Below-ground Resources in Drylands: Root Structure and Function”, AAZ, vol. 38, no. 3 & 4, Dec. 2016, doi: 10.56093/aaz.v38i3 & 4.65587.