Motives For Using Pulse Irrigation

By Teri Farley


Pulse irrigation uses pressurized water that is supplied continuously, but has a pulsating output. Very small amounts of effluent is applied, using a low rate system. According to research, once the soil moisture level increases, lower effluent levels do not lead to loss of nutrients. The discharged liquid can be used to manage the amount of moisture available for the plants.

The device that pulses has two cross-sectional orifices: a small one(inlet) and a larger one(outlet). The system also contains a valve that opens and closes automatically because of differences of pressure. In order to store water, a reservoir is used. The storage container fill up when the valve is closed and also creates pressure for opening it.

Nutrients must be maintained in the root area for allowing plants to feed and the application of effluents is made according to this. The cultures receive the nourishment, because there are no leaks into the ground. The deficit of soil moisture can become lower in most cases. The classical irrigation method, in which an individual makes the watering must not be mixed with a pulse system, for avoiding nutrient loss in the root area.

It does not matter if the soil moisture reaches field capacity, as pulse irrigation can still be used. A good control of effluent can exist, regardless of the facts that soil can be very humid, or completely dry and cracked. The nutrients are kept exactly in the needed spots. Specialists say that an efficient cycle should have twenty minutes of pulsing and forty minutes in which the system is on hold.

As the twenty minute rule is applied, a system can go through three watering cycles during one hundred and eighty minutes. Four millimeters are covered each hour. Many people use the procedure because it can help them save money. The automated system ensures a continuous irrigation of crops. Today, when economic conditions can be harsh, pulse applications may be very efficient ways of providing nutrients to the plants in a culture. In general, fertilization and watering are the most expensive elements of farming.

The entire cost of farming cab become lower if just one of the two components is cheaper. Pulse irrigation is not a classical mean and it is highly adaptive to a plant needs for nutrients. One of the reliable watering schedules could be ten or fifteen minutes each hour, for six or twelve hours daily.

The equipment needed for a correct operation can include an irrigation controller, solenoid valves at every required location and underground wires that could connect the two devices. Researchers have measured soil moisture levels before and after using the method for testing purposes. Cultures of tomatoes, blueberries and blackberries have been used for the studies.

Pulse irrigation is a modern method of watering crops that people can appreciate, especially because of decreasing the costs of farming. The systems are automated and allow the use of liquid in cycles, for fulfilling the needs of plants in the most exact ways. A maximization and optimization of production from agriculture can be achieved.




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