POUR THE LOW-PRESSURE PIPE LINE TRANSMISSION

Low-pressure pipe irrigation water is piped with fine field level, high standards of ditch, border irrigation, are ground irrigation areas. So most of the agricultural irrigation area more suitable for pipeline irrigation, water-saving irrigation this way is a new method of surface irrigation, water efficiency is higher than the channel. Through a pipe system into the field of irrigation water to meet the water demand of crops. Construction technology is simple, easy operation and management, piping water utilization coefficient of not less than 0.95, and instead of water channels, reducing the channel area, irrigation technology is relatively simple. And it saves time, labor, irrigation and timely, easy to mechanized farming, improving farm irrigation, improve yields 10-20%, low investment and high efficiency.

Drip irrigation water is a certain pressure, after the water was filtered through a pipeline from the plant dropped dripper uniform soil near the roots, irrigation uniformity up to 80-90%, and small soil and terrain requirements, adaptability , can be saving about 40%, an increase of 15-30%. Drip irrigation method is a local irrigation, drip irrigation is only part of the soil near the roots moist crops. Not only does not produce surface runoff, little deep percolation, evaporation loss is small, modern irrigation methods in a variety of the most advanced water-saving irrigation technology. And adaptable, regardless of topography and soils can be used. In particular, row crops sowing areas using water-saving significantly increase production, improve the quality of the role. But there are certain disadvantages drip, easy to plug emitters, high quality requirements, can lead to accumulation of salt, limiting crop root development, but high cost, management requirements are relatively high.

Irrigation is a high-tech water-saving technology, water-saving, high efficiency, supporting equipment, the use of safe and reliable. For a variety of crops and a variety of terrain conditions, it is a more mature water-saving irrigation technology. But in the wind, evaporation of the region should not be used. In addition, the fixed pipeline construction cost is higher, semi-fixed sprinkler manifold moving mobile labor and more, manage more complex, requiring better management.