In the Hong Qun Strawberry Breeding Farm, another new device was added. The owner, Luo Hongqun, said that this is called a carbon dioxide generator. It was sent down by the Hangzhou Academy of Agricultural Sciences to increase production of the Datian Strawberry. In popular terms, it is in the sunlight that plants can use carbon dioxide as fertilizer. Because strawberries are planted in greenhouses, the environment is relatively closed, and the amount of carbon dioxide in the air is insufficient, so it is necessary to properly supplement carbon dioxide. According to a teacher from the Hangzhou Academy of Agricultural Sciences who is doing experiments, the supplement of two hours of CO2 per day is sufficient when the sunshine is good. According to the test of their Academy of Agricultural Sciences, the output increased by more than 25%. If they can increase production by 20% in the field, the effect will be very good. Yan Ya teacher said that this technology is still relatively rare in China, the main reason is cost. In some modern large-scale crop bases, carbon dioxide is used in cylinders, and farmers are generally unable to afford it. They are now experimenting with a simple device, using a corrosion-resistant plastic tank filled with dilute sulfuric acid, and then dropping it into a vat to chemically react with the ammonium bicarbonate (ammonium carbonate) inside to produce carbon dioxide. Carbon dioxide was slowly dispersed into the greenhouse through a dropper. The last thing left in the bucket was ammonium sulfate, which was also a fertilizer. It was not wasted at all. The cost per mu was only 200 yuan.
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