The winter free-field fish farming refers to the use of free paddy fields with the conditions of fish farming after the harvesting of late rice to the early rice (late rice) in the next year to raise fish production, thereby increasing the utilization rate of rice fields, reaching idle fields, and increasing production and income.
Winter free-range fish is generally cultivated fish and fish species, its benefits are the following six points:
First, increase the fertility of paddy fields and loosen the soil, which will help increase rice production next year. According to field experience, fish farming in winter and field can increase rice production by 10%-15% for the next year, and increase production significantly.
Second, it will help reduce rice pests and diseases in the next year. In winter, the fish field in the farmland is relatively deep, and it is generally possible to immerse the fish eggs or eat them out of the fish, which will help reduce the degree of damage to pests and diseases in the next year.
Third, high yield and good efficiency. The long shelf life of fish farming in winter is conducive to the improvement of yield, and the benefits are good. For example, in the Hani area of ​​Honghe Prefecture, Yunnan Province, the harvested fish in the winter farmland in the Hani area reaches 64 kilograms per mu and the net profit is 644 yuan. The three autonomous counties in the northern Guangxi region of Guangxi in the implementation of the harvesting technology for the production of winter free-range farmed fish in the mountainous areas in the country have been harvested for two years. Implementation, a total area of ​​12,1403.7 acres, an average of 52.5 kg per mu of fresh fish, acres of rice 5.79%, net increase of 402.89 yuan per mu, of which 791.3 acres of high-yield field demonstration demonstration, per mu fresh fish 108.14 kg, mu increase efficiency 959.35 yuan, production Outcome ratio 1:3.46; Feixin County, Jiangxi Province, winter fish farming acres of net production of 200-300 kg, mus profit 1500-2000 yuan. In the mountains of the county, there is a habit of fish farming in winter, and the per mu for intensive feeding is more than 50 kilograms. For example, Chen Daoxing, Chen Xianliang, a demonstration farmer of winter fish farming in Yinquan Village, Ruoyan Town, and Chengtian Village, Bilian Town Chen Jihe and other demonstration households have exceeded 50 kilograms per mu.
Fourth, it is conducive to the thrifty market such as the Spring Festival and Ching Ming Festival. Moreover, the fish price is high, generally 24 to 30 yuan per kilogram and 36 to 40 yuan per kilo.
Fifth, large-scale fish species can be provided for breeding in the next year.
Sixth, development potential is great. There are as many as 4-5 million mu of cold paddy fields in the mountains of our county, but the area for the development of winter fish farming is still very small. If the area of ​​winter fish farms reaches 10,000 mu, the total output can reach 500 tons, and the total output can reach 500 tons. The current price is calculated at RMB 24,000 per ton, with an output value of RMB 12 million. Winter free field fish development potential.
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