TY JOUR TI COMPARATIVE ANALYSIS OF TECHNOLOGIES OF WATERING NOZZLES BY LEADING FOREIGN MANUFACTURERS KW sprinkler nozzle KW sprinkler irrigation machine KW irrigation uniformity KW irrigation efficiency KW sprinkler rain characteristics JO INTERNATIONAL AGRICULTURAL JOURNAL AU Mischenko, N.A. AU Travkin, V.S. AU Lebedev, D.A. PY 2026 IS 9 PB Electronic science