Greenhouse precision fertilization irrigation system

Drip irrigation systems achieve an application uniformity of over 95% and accuracy exceeding 97%. The fertilizer injection uniformity is also above 95%. Moderator: Beijing Xingdong Industrial Co., Ltd. Conclusions and Evaluation: The greenhouse precision fertilization and irrigation system meets or exceeds the design requirements in terms of irrigation and fertilization uniformity and accuracy. It has been fully approved by the testing unit. The experimental results show that this technology can bring significant economic benefits if widely adopted. Facility agriculture is a high-tech, intensive production method characterized by high input, high output, and high efficiency. In foreign countries, it has developed rapidly. However, most greenhouses in China are not equipped with fertilization systems. When they are used, they are typically pressure-difference type, leading to uneven fertilizer distribution. Although some manufacturers have started producing Venturi or jet-type fertilizers, their performance is still unsatisfactory, and no mass production has been formed yet. Especially in the field of high-precision fertilization irrigation equipment, there is a major gap, which significantly limits the actual production efficiency of greenhouses. To address this issue, Beijing Jiayuan Yirun Engineering Technology Co., Ltd. developed the greenhouse precision fertilization irrigation system. The application of this technology will bring considerable economic benefits to agricultural development. There is a noticeable increase in production and water-saving effects. Tests have shown that when properly used, the system can increase crop yield by about 30% on average. The water-saving effect is remarkable—compared to traditional flood irrigation, it saves more than 70% of water; compared to micro-sprinkler irrigation, it saves over 30%; and it also saves 10% more water than regular drip irrigation. High fertilizer utilization is another key advantage. The system uses a targeted approach for irrigation and fertilization, creating a circular water and fertilizer cycle around the crop roots, ensuring full fertilizer absorption. The system also reduces labor intensity. By replacing manual operations, it minimizes the physical workload and eliminates the impact of human error during irrigation and fertilization, leading to more consistent crop growth. Additionally, the system promotes earlier maturation of crops. Precision irrigation and fertilization help maintain stable temperatures and reduce greenhouse humidity, which encourages faster crop development. Field tests have shown that using this system can advance market readiness by 2 to 3 weeks. Lastly, it helps reduce the occurrence of pests and diseases. By lowering atmospheric humidity and implementing precise irrigation and fertilization, the system disrupts the environmental conditions favorable for pests and diseases, thereby reducing the need for pesticides.

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