Greenhouse precision fertilization irrigation system

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Drip irrigation irrigation uniformity> 95%, accuracy> 97%, injection fertilizer uniformity> 95%.

Moderator: Beijing Xingdong Industrial Co., Ltd.

Conclusions and evaluation: The greenhouse precision fertilization irrigation system, irrigation, fertilization uniformity, accuracy meet or exceed the design requirements, has been fully approved by the experimental unit. The experimental results prove that this kind of technology can bring considerable economic benefits if it can be widely promoted.

Facility agriculture is an intensive production method with high-tech content, high input, high output, and high efficiency. Foreign development is very fast. However, most of the greenhouses in China are not equipped with fertilisers. Even if they are used, they are usually pressure-difference type. Fertilizer, the amount of fertilizer is very uneven. Although in recent years there are manufacturers producing Venturi-type, jet-type fertilizers, but the performance is not very good, there is no formation of production capacity. Especially in the area of ​​high-level precision fertilization irrigation equipment, it is basically blank, which greatly reduces the actual production efficiency of greenhouses. Beijing Jiayuan Yirun Engineering Technology Co., Ltd. developed the greenhouse precision fertilization irrigation system in response to this situation. The application of this result will bring considerable economic benefits to the development of agriculture.

5. There is obvious increase in production and water-saving effect.

Tests have proven that when used properly, it can generally increase production by about 30%. The water-saving effect is very significant. The system saves more than 70% of water compared to the traditional flood irrigation method; it is more than 30% more water saving than the micro-spray irrigation; it also saves water by 10% compared with the ordinary drip irrigation.

2. High fertilizer utilization.

Because the system uses a highly targeted method of irrigation and fertilization, it can form a circular water and fertilizer circle at the root of the crop to ensure that the fertilizer is fully utilized.

3. Save labor.

The system of precision fertilization irrigation system replaced manual operation, which greatly reduced the labor intensity, and also reduced the impact of artificial subjective uncertainties in the process of irrigation and fertilization on crop growth.

4. Promote early maturing of crops.

Precision fertilization irrigation can basically do not reduce the temperature, reduce greenhouse air humidity, and promote crop precocity. Practice has shown that using this system can make agricultural products market 2 to 3 weeks in advance.

5. Reduce the occurrence of pests and diseases.

The reduction of atmospheric humidity and precise irrigation and fertilization in greenhouses have undermined the external environmental conditions for the development of pests and diseases, and at the same time reduced the use of pesticides due to the reduction of pests and diseases.

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