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Suqian, January 6 (Reporter Zhuang Binbin) Siyang County, Suqian City, Jiangsu Province, is rich in aquatic products such as crabs and four large fish, with a breeding water surface of 270,000 mu and an annual aquatic output of about 110,000 tons. In the past, foreign merchants to purchase aquatic products, along the way will also visit to learn Xi breeding technology, since last year, more and more merchants have made a special trip to Siyang, to learn Xi pond standardization transformation practices.
Recently, this reporter followed Li Yong, the head of the Siyang County Aquatic Products Station, and approached the ponds of farmers to find answers.
The aquatic products department organizes farmers to observe the demonstration site of pond renovation (courtesy of Siyang County Aquatic Products Station)
In Siyang County, Luji Town, Gaodu Village, a piece of aquaculture water surface, the pond mouth is neat, the dam mouth is smooth, the breeding area road is hardened, part of it is covered with green mesh, and the infrastructure such as electricity is perfect. On the shore of a pond not far away, the sign "Introduction to the Tailwater Treatment of Three Ponds and Two Dams" is quite eye-catching.
"In the past, the land on the dam was soft and overgrown with weeds, and the tailwater discharge was not standardized. Now after the standardization, no grass grows on the pond dam, which reduces the germs and saves time and labor. Du Zhijiang, the person in charge of Shuanggao Aquatic Products Technology Co., Ltd., is walking along the mouth of the pond to check the water quality. Standing on a filtration dam, Du Zhijiang pointed to a pond and said: "Now our pond tail water can be recycled after three ponds and filtration procedures such as aeration, sedimentation, ecology and filtration. ”
When talking about the task of standardizing the pond just received, Du Zhijiang bluntly said that the transformation cost of more than 2 million yuan once made him stunned, but the market's requirements for the quality of aquatic products continue to improve, and the pond is also forced to carry out standardized transformation. "Even if the government doesn't ask for it, we will do it ourselves, and it's good for the company, so why don't we?"
Starting from 2022, after a year of rectification, the 364 acres of open-air ponds with double high aquatic products have been standardized. "The pond is free of weeds, the water quality has improved, and the output of the whole pond has increased by about 10%, and overall we can cover the cost of the renovation. Du Zhijiang said.
Filter dam (photo by CCTV reporter Zhuang Binbin)
Coincidentally, Ma Shudong, who is engaged in "king crab" farming in the same township, also tasted the sweetness of pond standardization. "Before the transformation, the average yield per mu was more than 100 catties of crabs, and now the average yield per mu is more than 300 catties, and the water quality is improving, and the quality of our crabs is also improving. Ma Shudong and the workers carried a basket of crabs and told reporters with a smile, "This year, the base was awarded two awards in the first Suqian King Crab Base Selection Activity, and the products are more favored by e-commerce platforms." ”
In Siyang, aquaculture farmers with a certain scale have basically completed the standardization of ponds. For Li Yong and his colleagues, this is not an easy task. "The cost of renovating an acre of pond is several thousand yuan, and for farmers with hundreds of acres of ponds, the investment of millions of yuan is not a small amount. Li Yong said that in order to dispel the concerns of farmers and mobilize enthusiasm, the Siyang Agriculture and Rural Bureau has set up a WeChat group including county leaders, leaders of competent departments and heads of towns and villages. At the same time, actively organize technical personnel to go to the countryside to guide and train farmers to provide technical support for the transformation work.
Siyang County carried out technical training on pond standardization transformation (Photo courtesy of Siyang County Aquatic Products Station)
"Each town has a demonstration, each village has a model, through the typical promotion, to promote the standardization of ponds on the surface with points and areas. Li Yong said that in the specific transformation process, the county in the introduction of the transformation plan at the same time, pay attention to local conditions, the promotion of "three ponds and two dams", "rice and fishery combined" and other pond transformation models. At the same time, farmers are guided to use public ditches for tail water purification, in addition, by reducing the breeding density, and trying to change fish farming to a breeding mode with relatively high water purification capacity such as crayfish and river crabs, in-situ purification is carried out. "Taking tailwater renovation as an example, many farmers are reluctant to take out special ponds to build 'three ponds and two dams' renovation facilities, and we advocate setting up a filtration dam according to the situation of the pond, or through biological measures such as planting aquatic weeds to improve the water environment. ”
In addition, Siyang County has used the 28.2 million yuan of special funds allocated to the county by the state, as well as the supporting policies of the province, and introduced a 50% matching reward and subsidy policy for the standardization of ponds, which has further improved the enthusiasm of farmers. "From the perspective of effectiveness, the overall improvement of the transformed aquaculture water surface environment has increased by more than 10%. Li Yong said, "By the end of 2023, the task of 60,300 acres of aquaculture water surface transformation in Siyang County has been completed, and in the next stage, we will strive to complete the task of 140,000 acres of aquaculture water surface transformation through a variety of transformation methods." ”
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