Abubakar, Z., M. Garba, and F. Hassan. “Effect of Silicon Application Methods on Drought Tolerance, Growth and Yield of Some Varieties of Vigna Unguiculata (L.) Walp in Gombe State”. Asian Journal of Plant Biology, vol. 5, no. 1, July 2023, pp. 1-6, doi:10.54987/ajpb.v5i1.819.