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Four water-saving technologies for water-saving irrigation equipment

Source: Time:2018-09-06 17:37:38 frequency:

The practical application of water-saving irrigation equipment plays a propelling role in agricultural water saving, effectively saving the utilization rate of water resources in China, but what about the field irrigation equipment in addition to the first equipment of water and fertilizer integration? Give you a list of four efficient water-saving technologies.
Channel anti-seepage technology
In the self-flow irrigation area, the earth canal is easily washed away by water and the leakage loss of the channel is 50%. Therefore, the channel seepage can greatly reduce the water loss. The channel seepage prevention generally adopts a lining concrete U-shaped channel or a trapezoidal canal. The concrete anti-seepage channel has a small roughness rate and a fast flow rate, which is conducive to improving the silt-proof capacity of the channel, and the water delivery time is 30%-50% shorter than that of the soil channel. At the same time, the use of concrete channels for seepage prevention is conducive to controlling the groundwater level, improving the soil and facilitating channel management.
2. Low pressure management irrigation technology
It is a technology that uses PVC pipe instead of earth canal to transport water from the water source to the field for irrigation through the water pipe. It has water saving, energy saving, time saving, land saving, adaptability and loss. The advantages of fast water and less loss. This technology is mainly applied to well irrigation areas, with relatively low investment, simple construction and convenient operation. It has been widely used in some areas. The utilization rate of pipeline water is 96%-98%.
3. Sprinkler irrigation technology
This technology is to pressurize the water pump, so that the irrigation water flows through special equipment such as pipes and nozzles, and shoots into the air and forms raindrops. It evenly spreads the field like rain, and timely and appropriate irrigation of the crops. It is suitable for all kinds of terrain and soil, and has the advantages of water saving, labor saving, uniform irrigation, and maintaining water and soil. With this technology, surface runoff and deep seepage are generally not generated, and the ground moisture is uniform. According to the water demand of the crops in different growth periods, water is supplied in an appropriate amount, and the utilization rate of the irrigation water is 92%. It should be promoted in areas where porridge, such as vegetables, fruit trees, and cash crops, which are mainly based on well irrigation.
4. Micro irrigation technology
It is a watering method that accurately transports the nutrients and water required by crops to the surface or soil layer near the root of the crop through the low-pressure pipeline system and the special emitter installed on the final pipeline according to the requirements of crop water demand. Call local irrigation.
It is divided into drip irrigation, infiltration irrigation, micro-spraying and spring irrigation. It has the advantages of water saving, energy saving and strong adaptability, and it is 15%-20% more than sprinkler irrigation. It is mainly based on the economy of irrigating fruit trees, vegetables, flowers and herbs. High technology changes agriculture! Water-saving agriculture will become an important part of agricultural production, helping agricultural owners to increase their income.