On May 28th, China's 10-year development meeting of slow-release fertilizers will be held in Xijiao Hotel, Beijing. The event will explore how to better promote the healthy development of the slow-release fertilizer industry. Jin Yong, an academician of the Chinese Academy of Engineering and a professor at Tsinghua University, said: "To play the advanced demonstration role of advanced enterprises and to apply scientific and efficient fertilization can effectively reduce the burden on farmers."

Jin Yong said that chemical fertilizer is a strategic material for food security, people's life and national stability. Fertilizer, especially fertilizer, is the material basis for increasing production. China's average fertilization is three to four times the world average, and the output reaches 60 million tons. The utilization rate of nitrogen fertilizer is only 30% to 35%. The transitional fertilization can cause soil pollution and air pollution. The nitrous acid and ammonium sulfite in PM2.5 are caused by the decomposition of urea by transitional fertilization.

Excessive waste of fertilizer resources will increase farmers' investment capital. In order to reduce the use of chemical fertilizers, in 2015, the Ministry of Industry and Information Technology issued a guidance on promoting the transformation and development of the fertilizer industry. The Ministry of Agriculture announced the “Measures for Zero Growth of Fertilizer Use in 2020”. For how to apply fertilizer scientifically, Jin Yong said:

1. First, precise fertilization. According to crop demand, soil, production cycle, and precise fertilization, experiments have shown that the utilization rate of fertilizer can be greatly reduced and production can be increased.
2. Second, rational fertilization. How much fertilizer is used according to the different growth cycles of the crop. In addition, the use of fertilizer by drip irrigation can promote the integration of water and fertilizer.
3. Third, the combination of organic fertilizer and chemical fertilizer, farmers in the cooking, there is the appropriate deployment of biogas and fertilizer, not only to meet the requirements of the people for organic products, but also to make resources recycled.
4. Fourth, the structural adjustment of the industry also requires the government to introduce corresponding support policies.
5. Fifth, we need to promote cooperation between industry, universities and research institutes.
6. Sixth, give play to the demonstration role of advanced enterprises, change the business model of small-scale peasant economy, truly rely on market economic power, the government guides precise fertilization, rational fertilization, and the combined use of organic and inorganic fertilizers, making our country's agriculture safer and farmers increasing income. Resources are used more efficiently. (Source: Xinhuanet, author Li Nan)

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