Novel crayfish and rice rotation breeding and planting method
A technology of shrimp seedlings and seedlings, which is applied in the field of new-type shrimp-rice rotation cropping, can solve problems such as difficulty in centralized marketing, affecting rice production, and reducing economic benefits, so as to avoid disease outbreaks, reduce breeding risks, and increase breeding benefits. Effect
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[0036] Taking 40 mu as a breeding unit, dig out an 8-mu seedling pond and a 32-mu breeding pond according to the ratio of the area ratio of the seedling pond to the breeding pond is 1:4. The specific operation steps are as follows:
[0037] 1. Construction of seedling ponds and breeding ponds
[0038] 1.1 Construction of seedling ponds
[0039] Before planting, dig a ring ditch with a depth of 1m, a bottom width of 4m, and a slope of 30 degrees to 45 degrees along the paddy field. The soil dug out is used as a stalk. ~3m. Then dig a shallow ditch every 2m on the field surface with a depth of 0.5m, a bottom width of 1.5m, and a slope of 45 degrees. Membrane escape, the height of the escape membrane is 0.4m. Put a certain amount of water hyacinth in the ring ditch, and the area of water hyacinth in the water shall not exceed 30% of the water surface. The original water level of the seedling pond is 20-30cm lower than the stalk surface.
[0040] 1.2 Construction of breedi...
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