"Science and Technology Show" was staged in the greenhouse of Kuntai Modern Agriculture In

"It's time, I will turn on the irrigation system." On the morning of the 10th, I walked into the greenhouse of Kuntai Modern Agriculture Industrial Park in Yushu City. The person in charge, Song Shuguang, pressed the start button, and the prepared water, fertilizer, and nutritious meals were gradually filled with irrigation hoses. A series of IoT technology installations followed the hoses. At first sight, the problems of irrigation, temperature, humidity, and light in the greenhouse were solved together, and a modern agricultural "science and technology show" that no longer needed to watch the sky was staged.

The staff in the park check the growth of crops. Photo by Zhang Xinyu

Different from traditional fancy watering in greenhouses, the integration of water and fertilizer uses one-to-one hole irrigation, which not only allows plants to obtain balanced nutrition, but also ensures the quality of crops. "After the integration of water and fertilizer, our management costs are also reduced. At present, there are 13 greenhouses in the park, covering an area of ​​13,000 square meters. From the past two people managing one shed, all sheds only need two people to manage." Song Shuguang said.

Next to the irrigation console are the ventilation system and the floor heating system. As the main equipment to ensure the temperature and humidity of the plants, the park combines the two systems into a circulation system to turn on "green air conditioning" for the plants to simulate the original seasonal environment.

"Now farming is no longer dependent on people's feelings and experience. Don't look at the outside temperature is almost -20°C, but the temperature in the greenhouse is around 20°C." Song Shuguang can remotely check the temperature, room temperature and humidity on his mobile phone. Once the temperature and humidity are not at the standard value, the system will automatically adjust to the standard value regardless of winter or summer, avoiding problems such as slow air circulation in the greenhouse and unstable temperature.

The composition of the entire "green air conditioner" is more complicated than imagined. The heat-collecting curtain hidden behind the background wall stores the sunshine temperature every day and releases it at night. Compared with floor heating, the thermal insulation method that emits heat on the longitudinal surface better solves the problem of greenhouses. The problem of low temperature at high places.

In addition to "nutritious meals" and "green air-conditioning", of course "sunbathing" is indispensable in the greenhouse. When it gets darker in the afternoon, the fill light will automatically turn on. "There is unevenness in natural indoor lighting, so by observing the distribution of carbon dioxide density in the greenhouse, I can judge which area needs more light." Song Shuguang told reporters that he also used fill light to create even photosynthesis as much as possible. Further solve the uneven growth of crops.

The greenhouse "Science and Technology Show" in Kuntai Park has attracted many farmers to observe and learn. "I only saw these technologies at the exhibition before, and I didn't expect that some people would actually use them in my hometown." While lamenting the progress of agricultural technology, everyone hoped that advanced technologies could be used for their own use. Song Shuguang said that many technologies in the park are carried out in cooperation with the Agricultural College of Jilin University. In addition to building local brands, the park hopes that more farmers can use better technologies to grow better food, so farmers who come to the park Will enjoy free training.