A. Jabbar F, A .Jasim A. Effect of the Distance between Irrigation Tubes in the Subsurface Drip Irrigation System on Rice Crop Production. JWRG [Internet]. 2024 Sep. 24 [cited 2024 Dec. 22];3(2):1-17. Available from: https://jwrg.gov.iq/index.php/jwrg/article/view/117