Effect of Irrigation by Shallow and Deep Nubian Aquifer on Soil Properties and Crop Production in El-Kufra Oasis, Southern Libya. م ل ع ت ب [Internet]. 2022 Jun. 30 [cited 2025 Sep. 25];4(1):12-23. Available from: https://www.srcest.org.ly/journal/index.php/ljest/article/view/149