| 摘要 |
FIELD: agricultural amelioration, in particular, equipment used in drop irrigation systems for irrigation on complex relief of perennial plantations of vegetable and berry crops in open ground. ^ SUBSTANCE: dripper has casing with inlet and outlet openings. Casing is fixed on pipeline wall by means of annular groove dividing casing into upper and lower parts. Casing upper part is located within pipeline. Inlet opening provided in upper part of casing is connected through channel with outlet opening. Casing is made in the form of double-convex disk. Channel provided in upper and lower parts of casing is extending along spiral of right-hand involute of the circle. ^ EFFECT: improved irrigation quality throughout the entire irrigation season and simplified unwinding and winding onto bobbins upon completing of irrigation works. ^ 2 cl, 2 dwg |
