Freshwater shrimp and river crab double main farming method
The invention discloses a freshwater shrimp and river crab double main farming method which includes the steps that firstly, preparation is performed before farming; secondly, farming of seeds is performed; thirdly, under farming and management, freshwater shrimps are caught all the year round, the...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention discloses a freshwater shrimp and river crab double main farming method which includes the steps that firstly, preparation is performed before farming; secondly, farming of seeds is performed; thirdly, under farming and management, freshwater shrimps are caught all the year round, the large freshwater shrimps are caught and the small freshwater shrimps remain; shrimps farmed in January are caught since May, and the large-specification freshwater shrimps are caught in time; shrimps farmed in August are caught since the end of September; river crabs are caught since October. According to the freshwater shrimp and river crab double main farming method, by increasing the freshwater shrimp farming percentage in a river crab farming pond and enhancing the freshwater shrimp farming management, the yield of the freshwater shrimps is improved, and the farming risks of river crabs are effectively avoided. |
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