60,000 tons of biogas fertilizer in Danjiangkou City, Hubei Province

"Marsh manure is really good. I used to fertilize for a few days. Now, within a few hours, I have saved five or six hundred yuan of fertilizer money." On March 18, I saw less than three members of the spring cultivating technical service team. The biogas from its own biogas digester was spread to the fields in an hour. Liu Fengjun, a villager in Xiaoji Village, Xijiadian Town, Danjiangkou City, Hubei Province, was happy.

In order to help farmers cultivate the land in spring, and to achieve agricultural pollution-free production, Danjiangkou City has established a spring cultivating technical service team to promote the comprehensive utilization of “three marshes” such as biogas, biogas slurry, and biogas residue, and to increase farmers’ income.

According to the person in charge of the city's energy office, biogas slurry and biogas residue are collectively referred to as biogas fertilizers and are the products of biomass anaerobic fermentation through biogas digesters. It has been determined that the biogas slurry is rich in nutrients such as nitrogen, phosphorus, and potassium, and has the advantages of being environmentally friendly, economical, time-saving, and labor-saving. It is very suitable for use in farmland.

The first “Top Ten Outstanding Young People in Hubei Province for New Rural Construction” and Liu Liangguo, the breeding champion of Danjiangkou City, told the author that he has two biogas digesters and uses it to develop circular agriculture. Fertilizer is used to fertilize fruit trees to improve the quality and yield of fruits. Last year’s income More than 40,000 yuan.

Currently, there are more than 16,000 rural households with biogas digesters in Danjiangkou City, which can produce 60,000 tons of biogas fertilizer. All of them are used for spring fertilization, which can save farmers about 8 million yuan in fertilizer purchases.

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