A breeding method and pond for improving the commercial specification and output of Procambarus clarkii in ponds
A technology for procrastinatus clarkii and commercial specifications is applied in the field of aquaculture for improving the commercial specifications and output of protocrayon cruzi in ponds, and achieves the effects of increasing the coverage area, increasing the feeding area and promoting rapid growth
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Embodiment 1
[0101] 1. Pond conditions
[0102] The pond is transformed from a lake beach, with an area of 32 mu and an aspect ratio of 2:1. A ring ditch was excavated for the pond. The upper bottom of the ring ditch is 8 meters wide, the lower bottom is 3-4 meters wide, and the slope ratio is 1:2.5-3. The depth is 0.8 meters, the height of the ridge is 0.8 meters, and the width of the ridge is 3 meters. The ring ditch accounts for 23% of the total water surface.
[0103] 2. Clearing ponds and fertilizing
[0104]On November 20, 2014, the pond water was completely drained, frozen and dried for 20 days, and 200 kg of fully fermented organic manure was applied per mu, and the fertilizer was bought into the soil 10-15cm by a rotary tiller. On the second day after fertilization, inject 10-15cm of water, sprinkle 20 kg of bleaching powder per mu, remove snakehead, eel, loach, wild fish, etc., and kill pathogenic microorganisms.
[0105] 3. Aquatic planting
[0106] Elodea transplantation. ...
Embodiment 2
[0124] 1. Pond conditions
[0125] The pond is transformed from a paddy field, with an area of 40 mu and an aspect ratio of 1.6:1. A ring ditch was excavated for the pond. The upper bottom of the ring ditch is 10 meters wide, the lower bottom is 4-5 meters wide, the slope ratio is 1:3, and the ditch is 1 meter deep. , The ridge is 1 meter high, 3 meters wide, and the ring ditch accounts for 25% of the total water surface. The pond is adjacent to Shengjin Lake and has abundant water.
[0126] 2. Clearing ponds and fertilizing
[0127] On November 5, 2014, the pool water was completely drained, and it was frozen and dried for 20 days. Using fully decomposed chicken manure as a base fertilizer, the chicken manure was evenly sprinkled on the central beach, and the chicken manure was rotated into the soil by 10-15cm with a rotary tiller. , Use 300 kg of chicken manure per mu. On the second day after fertilization, flood the central bank with water to 10cm, remove the rice stub...
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