Omran, A. A.-., A. . Ibrahim, and A. . Alharbi. “Effects of Biochar and Compost on Growth and Yield of Sweet Pepper under a Partial Root-Zone Drying Irrigation System”. Canadian Journal of Agriculture and Crops, vol. 4, no. 2, Sept. 2019, pp. 56-76, doi:10.20448/803.4.2.56.76.