The water sources of important irrigated agricultural areas in northwest China mainly come from Yellow River irrigation, melting water of snow and ice in Qilian Mountain and groundwater. Among them, Hetao Plain and Ningxia Plain draw water from the Yellow River for irrigation, and Hexi Corridor and Xinjiang alpine hilly oasis draw meltwater and groundwater from Qilian Mountain for irrigation.
"With the installation of intelligent electric valves, my 400-mu cotton field has realized high-frequency drip irrigation, integrated water and fertilizer, and watered more evenly. It also saves manpower to strengthen other on-site management. It is estimated that seed cotton can increase production by about 30 kilograms per mu this year. " 10 10/2 1 day, Ren Baozan, an employee of the second company of Xinhu Farm, the sixth division of Xinjiang Production and Construction Corps, told reporters. ? Ren Baozan's "Intelligent Control Electric Valve" is the "Tianmai Datian IOT Agricultural Intelligent Control Irrigation System" which was selected as an excellent case of innovative application of IOT in Xinjiang in 202 1. Along Wujiaqu-Changji-Shihezi-Kuitun-Bole on the northern slope of Tianshan Mountain, the system has been used in 20,000 mu of farmland that has implemented the large-scale popularization project of national high-efficiency water-saving irrigation technology. ? Chen Hua, technical director of Bole Xinjiang Tianmai Agricultural Intelligent Control Technology Co., Ltd., who developed this system, said that the system integrates 27 kinds of sensors commonly used in the field, such as nitrogen, phosphorus and potassium sensors, water potential sensors, pH values, soil temperature and humidity sensors, and an intelligent control actuator, which is equivalent to installing a small computer on a field water pile, so that farmers can irrigate crops without leaving the ground. ? 13 years ago, Chen Hua, who grew up in Chagantunge Township, Wenquan County, Bortala Mongolian Autonomous Prefecture, felt that local farmers often used flashlights to water their fields in the middle of the night, and developed an intelligent control irrigation system by taking advantage of the east wind of the national high-efficiency water-saving irrigation technology. ? "We have traveled all over the country to provide automatic irrigation systems, and we have not found an intelligent electric ball valve that can meet the agricultural irrigation needs of Datian in the northwest." Chen Hua said that other automatic irrigation system terminals in China use solenoid valves, which can only be fully opened or closed, and the valves cannot be accurately adjusted, so they are only suitable for use on small flat land. ? Chen Hua decided to independently develop irrigation products suitable for the Internet of Things. To this end, he recruited professionals engaged in hardware structure design, electronic circuit design, software development and communication technology from Ann, Shenzhen, Beijing and Ningbo, and set up a technical team of 13 people. Up to now, the team * * * has applied for 27 patents of various types and obtained 16 patents. At present, the sixth generation products used in the system use solar panels to generate electricity and store energy, which can ensure uninterrupted power supply. From the first generation to the installation of intelligent control actuators, the integrated application of water and fertilizer can be realized. At the same time, thanks to the improvement of farmland coverage of 4G network, the problem of signal attenuation in remote control is also solved. ? Ren Baozan is an intelligent irrigation system using IOT agriculture for the second year. He has a deep understanding of the benefits of this system: "It was very laborious to open the valve manually before. Irrigation of 400 mu of land per round can only open the valve once every 10 hour, and the water potential is too high to inhibit cotton growth. Now it can be turned on and off by operating the valve on the mobile phone, and each watering time of 10 hour can be divided into two 5 hours to realize high-frequency watering. At the same time, the opening and closing degree of the valve can be adjusted according to the data returned by the sensor, so that watering is more uniform and is beneficial to crop growth. " ?
"Because our intelligent control irrigation system can keep the water pressure of drip irrigation belt stable by adjusting the valve size, it can be used on slopes with a slope less than 30 degrees." Chen Hua said that at present, this system can be remotely controlled by mobile phone or computer, and it can also be automatically controlled by programming and loading intelligent controllers to open and close valves on time. A set of intelligent irrigation control system based on sensor data is under development. ? Open the computer's "Tianmai Datian IOT Agricultural Intelligent Control Irrigation System Information Monitoring Platform". In the office, Chen Hua can clearly see where the 20,000 mu of farmland using this system is distributed and how each system works. He inquired about the use information of the intelligent control irrigation system in Ermutu Village, Haribuhu Town, Kaiping Hot Spring County, and told the reporter excitedly: "This village has used the intelligent control irrigation system for two consecutive years, and it is running well. As far as we know, this is the first time that China has used intelligent control irrigation systems in the field of tall crops. " ? "Judging from the current user reputation and orders, there is no problem in promoting the application of this system of 50,000 mu next year." Chen Hua said.