IRRIGATION SYSTEM Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: irrigation system has distributor 1, sprinklers- escapes 3, water intakes 4 with water discharges furnished with automatic shutters with level pickups, water holding shafts 11 and escape channel 12. To provide uniform moistening of soil, timing irrigation and to prevent irrigation erosion sprinkler- escape is made of lengths of pipes connecting bottom of foregoing water intake with top of following water intake. Each water intake has opposite outlet ports 8 to let water pass to dead water furrows with adverse gradient cut along terrain horizontals. Furrows have crests whose height increases with increase in distance from water intake to crest, but the last crest is always below maximum flooding level. EFFECT: uniform moistening of soil, prevention of irrigation erosion. 2 cl, 5 dwg