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The Principle of Drip Fertigation Technology

The Principle of Drip Fertigation Technology

1. What is drip trickle irrigation?

Drip trickle irrigation is the drip irrigation technology. It transports water with a certain pressure from the drip irrigation pipe system to the capillary, and then uses the dripper, orifice or drip tape installed on the capillary to uniformly and slowly drip the water into the soil to meet the needs of crop growth. It is a local irrigation technology.

Due to the small flow rate of the dripper, the water slowly penetrates into the soil. Therefore, under drip trickle irrigation conditions, except for the saturated soil moisture immediately below the dripper, other parts are in an unsaturated state. The soil moisture is mainly infiltrated and diffused by capillary tension. If the irrigation time is well controlled, there is basically no infiltration loss, and the soil surface moist area is small during drip irrigation, effectively reducing evaporation loss, and the water saving effect is very obvious.

2. What is the drip fertigation technology?

The drip fertigation technology can evenly bring the fertilizer to the roots of the crop while irrigating, realizing the integrated management of water and fertilizer. It is characterized by small irrigation flow and low working pressure, which can more accurately control the irrigation volume, directly transport water and nutrients to the soil near the roots of the crops, meet the needs of crop growth and development, and achieve local irrigation.

Simple, practical, durable, and low-cost self-gravity drip fertigation system can be selected for hilly and mountainous areas; pumping fertilizer system is used in flat terrain. Practice has proved that these two fertilization methods are not only easy to operate, but also can control the fertilization speed and fertilization concentration. The facility uses cement brick structure, which is sturdy and durable.

Organic fertilizers can also be used in drip fertigation systems. The organic fertilizer is dripped after being rotted and filtered. After dripping, ensure that the water is rinsed for more than 15 minutes. The dripper and filter are not blocked, and there will be no plants such as algae, moss, etc. on the dripper, which is convenient and labor-saving.

There are many types of crops that can be irrigated by drip fertigation technology, such as grapes, peaches, pears, apples, chestnuts, citrus, lychees, longan, dragon fruit and other fruits, tomatoes, cucumbers, eggplants and other vegetables, and they are also very useful in flowers, nurseries and other occasions. In addition, food crops such as wheat, corn, potatoes and cash crops such as tobacco, asparagus, etc. can all use drip trickle irrigation systems. 

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