They were beyondthe dripper line (on the remote side from the plants row), under the dripper line, and between the plant row and the dripper line, at plant–dripper distances of 0 and 10 cm, 20 cm, and 30–60 cm, respectively; only few roots were observed in the non-irrigated plant side, even for plant–dripper distances of 0 and 10 cm. In the two-side system the plant row marked a symmetry plane for two trapeziums on both sides of the plant stem, and at plant–dripper distances of 0 and 10 cm there were single trapeziums centered along the plant row.