“Effect of Adding Different Levels of Biochar and Cow Manure on Some Yield Characteristics of Soybean (Glycine Max L.) and Some Physical Properties of the Soil”. 2024. Latakia University Journal -Biological Sciences Series 46 (3): 299-309. https://journal.latakia-univ.edu.sy/index.php/bioscnc/article/view/17559.