Sweet pepper should be a very common vegetable, and it is also loved by the people. Moreover, this pepper has no spiciness, so it can be eaten by the elderly and children.
Then sweet peppers are generally used as side dishes. Sweet peppers have the effect of improving eyesight, improving immunity, and can also diuretic and stomach and so on.
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1. The water flow is slow and the maximum flow rate is below 0.3 meters/second. Water depth is 1.5~
Between 3 meters, the water level is within 1 meter, away from the channel and the source of pollution.
2. Surrounding a double-layered, double-rowed fence, the bottom net is anchored with a stone and anchored, and between the two layers of netting, an anti-escape observation cage whistle is set. The inner net of the intensive production high-yield area is to use a double-sided cage net with a net height of 2 times the maximum water depth, and a fish net with a mesh size of 1.11 cm to 1.33 cm for polyethylene nets. Mesh size 1.90 cm to 2.22 cm polyethylene mesh.
3. Choose species with a healthy body and consistent specifications. The size of the grass fingerling is 200-250 g/tail, the size of the blue finger is 500-1000 g/tail, the size of the head fish is 50-100 g, and the fingerling is The specification is 25 to 75 grams/tail, the size of the carp species is 50 to 100 grams/tail, and the size of the carp species and carp species is 150 to 400 grams/tail.
4. The bait is mainly made up of fresh aquatic plants and snails, supplemented by concentrated material. The feeding mode of “two-headed and middle-green†was adopted, and timing, positioning, qualitative, and fixed-point feeding methods were adopted.
[Aquaculture] Key technologies of fish farming in Huanghuai
Henan Province is located in the Huanghuai River Basin. The area has a dense river network and abundant water resources. As a breeding mode for large-surface aquaculture, the seine fish culture has been welcomed by people everywhere and has achieved certain economic benefits. The key technologies are now described as follows: