Fish-coupled ecological polyculture model

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In recent years, ecological farming has become an inevitable requirement for the sustainable development of the aquaculture industry. Zhanhua County in Shandong Province has introduced four high-yielding modes of Fish rearing. Mixed fish and oysters, three-dimensional planting, high yield and high efficiency, the four modes are described below.
First, Putian raise squid. Lotus lotus mu yield 3,000 kilograms, the output value of 3,000 yuan, efficiency, more than 2,000 yuan; squid per mu output 750 kilograms, the output value of 5,000 yuan, more than 1,500 yuan in benefits, 藕鲶 mixed for a total of 3,500 yuan in acres of pure benefits.
Second, Putian raise mud. Acres benefit, more than 2,000 yuan, the output of loach mu can generally reach more than 500 kilograms, the output value of 4,000 yuan, the benefit of more than 2,000 yuan, muddy loach mixed mu pure benefits more than 4,000 yuan.
Third, Putian raise crabs.藕 效益 效益 效益 效益 效益 效益 1800 1800 。 。 。 。 1800 1800 1800 1800 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。
Fourth, Putian raise turtle. More than 1900 acres of benefits, 100 acres of turtle production per mu, the output value of 10,000 yuan, 4,000 yuan per mu, turtle turtles mixed for nearly 6,000 yuan in pure benefits.
The above four kinds of aquatic species breeding mode. After a successful pilot test, the Marine and Fisheries Department of Shandong Province plans to declare a national-level project for the region. It is understood that this high-yielding mode of farming and planting is at the leading level in the country. On this basis, the fisheries department intends to further expand the scope of experimental demonstrations, explore the mixed model of alum, bullfrog, rainbow trout (tilapia), and promote the area. In 2001, the area of ​​Putian reached 500,000 mu. One fish and 400 million mu mixed.

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