The garden in the garden requires constant attention and care. But if the issues of timely tillage, planting and fertilizer application depend primarily on the diligence of owners, the need to maintain optimal soil moisture is dictated mainly by natural factors. The arid climate of some regions of our country requires an additional daily irrigation of family land. This condition becomes crucial for obtaining good yields.
By watering at the site are often used a variety of tools: slotted sprinklers, nozzles with tangential entry of liquid, with screw swirlers and others. However, all of them have one common drawback — having a constant area of the output section, they cease to function properly by lowering the pressure in the water, what happens in the countryside quite often.
Making and testing many such devices of various designs I found, I think, the best variant — injector with automatic adjustment of the output area of the annular gap depending on the pressure of the input water. Let the name not afraid of those who want to improve watering your garden — it is very simple to manufacture.