5: الفرق بين السماد الطبيعي والسماد الصناعي
2026-03-24 19:00 - 20:00 (America/Los_Angeles) | https://www.learndesk.us/class-ar/6340710993231872/lesson/8f2bb5a70cb12d21d86bab17979d2a0c?ref=outlook-calendar
https://www.learndesk.us/class-ar/6340710993231872/lesson/8f2bb5a70cb12d21d86bab17979d2a0c?ref=outlook-calendar
