Aday SH, Al-muthafar Y. Comparison Study between the Field Performance of a Movable Boards and Conventional Ditch Openers in Cultivated and Uncultivated Soils, Part 3: The Specific Resistance. Basrah J. Agric. Sci. [Internet]. 2019 Mar. 15 [cited 2024 Nov. 24];32(1):15-24. Available from: https://bjas.bajas.edu.iq/index.php/bjas/article/view/54