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Instructions for the Use of Drip Irrigation Technology

Instructions for the Use of Drip Irrigation Technology

1. Drip trickle irrigation can meet the water demand during the growth period of crops

There are many choices for the flow rate of the dripper, and the common range is 1.0 to 10.0 liters/hour. The choice of dripper flow rate is mainly determined by the soil texture. Generally, the more viscous the texture, the smaller the dripper flow rate. Although the water output per second of the dripper is very small, the irrigation time is long.

Take a dripper with a specification of 2.3 liters/hour as an example. If two drippers are arranged for each fruit tree, and the irrigation time is 2.5 hours, each fruit tree will get 11.5 liters of water, and after 5 hours of irrigation, 23 liters of water will be produced. Drip trickle irrigation can increase the water supply by extending the irrigation time and increasing the number of drippers, which can meet the water demand of crops in various hot climates.

2. Crops suitable for drip trickle irrigation

From a purely technical point of view, drip trickle irrigation can be installed on all crops. To measure whether a crop is suitable for drip trickle irrigation is mainly evaluated from the economic point of view and crop planting methods. Drip trickle irrigation can be used for crops cultivated in rows and ridges, potted plants, mountain crops, economic forests, and medicinal materials.

At present, the largest areas of promotion are cotton, potatoes, corn, grapes, oranges, bananas, flowers, greenhouse vegetables, sugar beets and other crops.

3. Drip trickle irrigation requirements for water quality

Since the dripper is a precision component, there are certain requirements for the particle size of impurities in the irrigation water. Drip trickle irrigation requires a particle size not greater than 120 meshes to ensure that the dripper does not block. If the water source filtration measures and equipment meet the requirements, well water, canal water, river water, mountain pond water, etc. can all be used for drip irrigation.

Therefore, the water source filtration equipment is the core component of the drip irrigation system, and most drip trickle irrigation systems cannot work normally because the filtration equipment does not meet the requirements or the negligence to clean the filter.

4. The choice of drip trickle irrigation fertilizer

As long as the fertilizer is soluble in water (preferably the content of insoluble impurities is less than 0.5%), it can be applied through the drip trickle irrigation system. It is best to use water-soluble compound fertilizer, which has good solubility, high nutrient content, multiple nutrients and quick results. Some organic fertilizers, such as chicken manure and pig manure, must be decomposed by water, and the filtrate is used after precipitation and filtration.

Using a three-stage filtration system, first filter with 20 mesh stainless steel mesh, then filter with 80 mesh stainless steel mesh, and finally filter with 120 mesh laminated filter. The application of liquid organic fertilizer through the drip trickle irrigation system not only overcomes the possible disadvantages of simply applying chemical fertilizers, but also saves labor and trouble, fertilizes evenly, and has significant fertilizer effects.

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