Impact Of Biochar On Some Physical Traits Of Soil And Variation Of Irrigation And Biochar Levels On Growth And Yield Of Lettuce (Lactuca Sativa L.). Int. J. Environ. Sci. [Internet]. 2025 Sep. 10 [cited 2026 Sep. 22];:6546-58. Available from: https://theaspd.com/index.php/ijes/article/view/9666