Technique for green aquaculture in container with circulating water
In order to explore the green and efficient aquaculture model,explore new methods of tail water treatment,and improve the comprehensive benefits of facility fisheries,after the transformation of traditional container,vegetable planting module was added,aquaculture tail water was used to irrigate vegetable,and vegetable planting was used to purify water,so as to realize water circulation and efficient use of water.Through standardized and modular green recycling aquaculture,functional modules such as water quality mo-nitoring,manure collection,constant temperature oxygen supply,aquaponics and smart fisheries were estab-lished to achieve the goal of efficient use of resources and standardized intelligent production.Through years of experiment,it has been found that the container-style aquaculture system can achieve an average annual output of 1 511.24 yuan/m2,and 4～5 crops of vegetables were harvested per year.Synergistic symbiosis of aquaculture and vegetable planting was achieved,and the ecological symbiotic effect of fish farming without exchange of water with no concerns for water quality,and growing vegetables normally without fertilization was also achieved.
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