& AL-KAABI, Jasim. STUDY THE EFFECT OF DRAWBAR AND FIELD EFFICIENCY USING OF ACOMBINE IMPLEMENT USED IN THE INSTALLATION OF SUBSURFACE IRRIGATION PIPES AND DRIP IRRIGATION UNDER DIFFERENT DISCHARGE. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, [S. l.], v. 47, n. 3, 2016. DOI: 10.36103/ijas.v47i3.580. Disponível em: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/580.. Acesso em: 22 nov. 2024.