| 摘要 |
A drip irrigation system comprises an irrigation source, a water intake facility with a pump station, a force main, a water purification unit, a unit for introduction of fertilizers and chemical reagents into an irrigation network, pipings, in particular main, distributing, plot, irrigation ones, which are arranged above the ground surface at a height of 0.5-, water outlets which comprise mounted-in drip emitters with density of 0.4- and end drip emitters, shut-off and control valves, an agrometeorological station, measurement devices, including a tensiometer with a ceramic probing device, a water chamber and a vacuum meter, communication lines, a supervisory computer control system. The pipings are made of polyethylene, polyvinyl chloride. The tensiometer additionally comprises a relay of the vacuum meter which is connected to the shut-off and control valves in such a manner as to allow regulating the water supply for drip irrigation. |
