In recent years, with the ever-increasing cropping efficiency of Xianglian, some farmers have used the ponds with serious siltation to grow Xianglian and achieved good results. Most of lotus pond bottoms use organic fertilizers. With the decomposition of organic fertilizers, the aquatic organisms in the pool water will multiply, and these aquatic organisms are natural and peculiar feed for loach. A single kind of lotus is not enough to make full use of water resources and cause waste of resources. Therefore, carrying out a total of lotus cultivation is an effective way to rationally use shallow water fish pond water resources.
Mudworms live in lotus ponds, and they can both eat plankton in the water and use water weeds, insects and some benthic organisms. Muddy feces and residual bait provided fertilizer for lotus. The loach hi bore holes in the mud, loosened the soil, and provided good soil conditions for the growth of the lotus. The lush foliage of the lotus shelters the muddy shade and blocks the light. In the high temperature season, the water temperature of the pool water is 3-5°C lower than that of the normal fish pond (below 30°C), which satisfies the requirements for the loach to live in a weak light and warm water environment. Therefore, lotus pond nests mud, lotus and lotus complement each other, complement each other, mutual benefit and symbiosis, able to achieve economic and environmental benefits of double harvest.
The main technical processes are: excavation of fish pond gutters fish slip → clearing and sterilizing before stocking loach, clearing the ditch → casting fermented chicken manure → planting lianlian → water storage 10 cm → feeding loach → water quality management → feed feeding → disease prevention → daily Management → Muddy fishing and picking.
Expected technical and economic indicators: The survival rate of axillary species reaches 90%, which is more than 15% higher than that of ordinary pond culture. The average size of loach cultivation reaches 28 grams/tail; the proportion of less than 10 grams/tail size does not exceed 15%, which is more than 10% lower than ordinary pond culture. Xianglian has a yield of 260 pounds, a mud yield of 320 pounds, and a profit of 4160 yuan per mu, which is more than 30% higher than ordinary pond aquaculture. The product meets the quality requirements for pollution-free aquatic products.
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