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Manchmal, a drip irrigation system may have insufficient pressure, which will cause a problem of insufficient water supply in the system, thus affecting the growth of crops.
There are many reasons for insufficient pressure in a drip irrigation system. It may be related to the water source, Ausrüstung, pipeline planning, irrigation method, usw. This article will list the common causes of insufficient pressure in a drip irrigation system, as well as how to solve and improve the pressure in the system.
Wasserquelle
The choice of water source may affect the pressure. If the water level of the source is low, then higher working pressure and a high-head water pump may be needed to draw water. An insufficient amount of water at the source can also lead to inadequate water supply in the drip irrigation system.
As for solutions related to the water source, either the water source is replaced or the water pump is replaced. Jedoch, replacing the water source is not an easy task. It may require a lot of labor and construction costs. daher, the main solution focuses on the water pump.
Water Pump
The area of the irrigation zone, Terrain, Pflanzdichte, and pipeline resistance will all affect the actual performance of the water pump. Insufficient pressure in a drip irrigation system is likely caused by an inadequate pump head. Or if the water pump is malfunctioning or damaged, it will also affect its water-drawing capacity.
Also, we can choose to repair or replace the pump, and special attention should be paid to selecting a high-power, high-head water pump that meets the water supply needs of the drip irrigation system.
If the pump is not damaged but we don’t want to replace it, then to increase the pressure, pressurizing equipment is needed. Zum Beispiel, a booster pump can be installed at the water source or in the main pipeline to increase the water supply pressure.
Pipelines
Pressure insufficiency caused by pipelines can mainly be divided into four aspects: pipeline length, Rohrdurchmesser, improper connections, and pipeline damage.
If the pipeline is too long, then the required water flow and water pressure will naturally be greater. As for the pipe diameter, the smaller it is, the greater the resistance in the pipeline, which also causes pressure loss.
daher, without affecting the performance of the drip irrigation system, appropriately shortening the pipeline and increasing the pipe diameter can help improve system pressure.
Zusätzlich, pipes and fittings need to be properly connected. If the connection is not tight, or if the pipeline is damaged, it will cause water leakage and disrupt pressure balance. For this, we can use pressure gauges or other detection tools to locate the leaks and repair or replace them in time.
Equipment
The number and function of pipe fittings and drip irrigation equipment will also affect pressure.
Zum Beispiel, if too many fittings such as elbows and tees are used in the pipeline system, it makes the system overly complex and twisted, resulting in pressure loss. If there are too many terminal drip irrigation devices (wie Dripper), they will excessively disperse the system pressure, leading to lower terminal pressure. daher, appropriately reducing the number of fittings and drippers can alleviate the problem of low system pressure.
Zusätzlich, if the drippers used do not have pressure compensation functions, they can also cause insufficient water supply in areas with uneven terrain.
Darüber hinaus, there are valves in the pipeline that control water flow. If the valves are not fully opened, they will affect water flow and pressure. When the pipeline is put into use, workers should pay attention to fully opening all valves.
Irrigation Method
The irrigation method here mainly refers to area layout and improper water use.
Especially in areas with complex terrain or large drip irrigation areas, some people try to save effort by using only one water pump to supply the entire drip irrigation system. That will easily lead to insufficient pressure and water supply problems.
We recommend using a zoned irrigation approach for large-scale irrigation. Planning should be done in advance, dividing different areas, designing and calculating the required pump pressure and head, preparing the necessary pipes and fittings for each area, and then carrying out zoned drip irrigation. Although this method involves more work in the early stages, once the system is laid out and put into use, it becomes very convenient.
As for improper water use, it refers to the inability to adjust water pressure properly according to the climate and crop growth cycle.
Zum Beispiel, during rainy seasons with more precipitation, it is possible to reduce the pressure and water supply of the drip irrigation system. During the fruiting stage of plants, the pressure should be increased to raise water supply. Hier entlang, irrigation pressure can be managed flexibly and dynamically.
Poor Maintenance
After a drip irrigation system has been running for a long time, if it is not properly maintained, it can also lead to insufficient system pressure. Zum Beispiel, some impurities may accumulate in the pipes and drippers, causing blockages, which will affect water supply.
daher, staff need to regularly inspect and clean irrigation equipment, especially clean the filters in a timely manner to ensure that they work properly.
Letzte Worte
This article has summarized the causes of insufficient pressure in drip irrigation systems and the corresponding solutions from six aspects: water source, water pump, Pipelines, Ausrüstung, irrigation method, and improper maintenance. I hope it can be helpful to you.
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Autor: Michael
Editor: Michael
Content Reviewer: Michael
