“The Effect of Different Levels of Tomato Plant Waste Compost and Mineral Fertilizer on the Availability of Macronutrient Elements in Clay Soil and on Potato Productivity (Solanum Tuberosum L.)”. 2026. Damascus University Journal of Agriculture Sciences 42 (1). https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/11684.