ADAY, S. H. .; AL-MUTHAFAR, Y. W. . Comparison between the performance of a movable boards ditch opener and conventional ditch opener in cultivated and uncultivated soils Part 1: The draft force. Basrah Journal of Agricultural Sciences, [S. l.], v. 31, n. 1, p. 85–92, 2018. DOI: 10.37077/25200860.2018.81. Disponível em: https://bjas.bajas.edu.iq/index.php/bjas/article/view/42. Acesso em: 27 apr. 2024.