Five ways to solve the problem
Ensuring adequate and high-quality feed is a key factor in the rapid and high-yield production of Astragalus. Since the Astragalus membranaceus is an omnivorous fish dominated by animal feed, its feed sources are extensive and relatively easy to obtain. Therefore, Astragalus breeders can use existing resources to collect and cultivate live feeds.
First, introduce breeding breeders, and make full use of raw materials such as cow dung and domestic garbage to cultivate alfalfa. The varieties are Daping No. 2, Beixing No. 2 and Ezi Aisheng, etc. It is better to use abandoned barrels and tubs for culture. A 2 cm diameter hole is covered with a gauze cloth to facilitate ventilation and drainage. It is also possible to dig holes in a well-drained area or raise it with a brick pool.
Second, breeding fly maggots can be made of breeding fly cages, to the fly maggot farms to buy good species of house fly species, production of sterile fly maggots, but also can be launched into the soil, with 0.5 kg of soybean grind pulp, pour into a mouth can be installed 40-50 A kilogram of water, add 2.5 kg of fresh pig blood and 10 kg of water and mix well. After one week, grow aphids.
Third, sets of raising snails Hang a few bamboo cages around the breeding ponds, cage the nets 4-6 meshes, close a certain number of species of snails in the cages, immerse the screw cages 2/3 in the water, and breed young snails. Some of them crawled out of the cage and could feed on the astragalus. Can also go to drains, rice fields, snails, shells, shreds and chops.
4. The light trapping system lifts up and down two black lights above each pond. The upper one is a suitable hanging height to attract more distant insect moths. The lower one is lower, and it is appropriate to be 20 centimeters from the water surface of the Dianchi Lake. . When the sky is dark, turn on the high-altitude black light. When the moth is found around the high-altitude light, turn on the black light and turn off the high light. At this time, the high-flying moth will quickly dive down and gather around the surface light. At the same time, due to the reflection of electric lights in the water, many moths will flush in and bury their stomachs. When there are few moths on the pond, turn on the high-altitude black light to lure. Repeatedly, this method can be used in summer and autumn to obtain 30% jaundice feed.
5. Collect the source of the leeches. Dig a shallow pool where there is a drain outlet. Have a humus at the bottom of the pool, keep the depth of 5-6 cm, and regularly apply some fermented organic fertilizer. The leeches will multiply.
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