Al-Hamdany, Heba M. M. and Awad, Firas H. and Hadi, Suzan D. and Ibrahim, Ibrahim A. (2025) Effect of Different Levels of Urea and the Trichoderma harzianum Biofungicide on Tomato Growth and Resistance to Rhizoctonia solani Root Rot. American Journal of Biology and Natural Sciences, 2 (12). ISSN 2997-7185