After the conventional spring silkworm rearing, the mulberry garden does not immediately use the summer line, and uses the mulberry leaves grown on the new shoots to continue breeding the second spring silkworm. Both increase income, but does not affect the summer and autumn silkworm rearing. The "second spring silkworm" was reared in June, and the average monthly temperature in normal years was about 23 degrees, which is suitable for the growth and development of silkworms. The entire silkworm period basically does not need to be warmed or cooled. At the same time, the sunshine duration is long, the lighting is stronger, and the mulberry leaves mature quickly and the quality is good. It is very easy for the second spring silkworm to have a total output of 40 kilograms. The dry shell weight is generally between 9.8 and 10.2 grams, which is 5 to 6 times higher than summer silkworm and Mid-Autumn silkworm. In general, Sang Sang can increase income by 700 to 1,000 yuan. The following key technologies should be mastered for the rearing of the spring silkworm: Convenience Food
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1. Mosquito-repelling time and feeding volume The two spring silkworms should master mosquitoes around June 8 and cluster at the end of June. The amount of silkworms reared in the second spring is appropriate for the first spring silkworm rearing amount of 7-8, and the mulberry garden with better growth has 1.25-1.5 sheets per acre.
2. The small silkworm special room that specializes in the breeding of the “second spring silkworm†must reach a special room, special equipment, and a special mulberry garden for common breeding. Doors and windows should be covered with black cloth to ensure that the silkworms are soft and even in the light, and often the two ends of the silkworm cocoon are reversed. Cut the leaves to a uniform size. In general, 1 to 2 instar silkworms are cut into silk blocks of 1.5 to 2 times the body length. Give mulberry evenly, and the corners of silkworms should be given. In the second spring, the silkworm grows and develops quickly, so it is necessary to advance the expansion and evenness.
3, serious disinfection and disease prevention and feeding the second spring silkworm, such as disinfecting sloppy, separate breeding silkworm or feeding a spring silkworm silkworm big room to breed "second spring silkworm", will cause "second spring silkworm" disease. Here, before silkworm rearing, the silkworm must be thoroughly disinfected. During the spring feeding period, the incidence of silkworm is relatively small. In addition to the prevention of normal medicine, the disease prevention measures are mainly anti-freezing of large silkworms. If the large silkworm period encounters continuous cloudy and rainy Huangmei weather, dry materials such as lime powder are used once a day for two days. A "anti-static powder."
4, mulberry garden management technology points 1 mulberry during a silkworm during the spring does not take care of the heart, when the top leaves of each leaf at least leave one leaf, let it continue to grow, each old article to leave enough 2 to 3 new roots thick bar. The other new shoots in the lower part and all the three eyes were picked up for mulberry silkworm mulberry. Mulberry can grow normally. Provide enough mulberry leaves for the "second spring silkworm". 2 Before and after the sleep of silkworms in spring, each mulberry mulberry garden with water topdressing 20 ~ 25kg of urea. 3 When the mulberry shoots grow up to 8 leaves when they are reared, the mulberry tree should be picked up in full, which will help increase the yield and quality of the mulberry leaves and is conducive to the mulberry silkworm breeding. (4) After the “second spring silkworm†sleeps, it is necessary to cut the edge of the sidelines and the summer harvest must be completed before the end of June. 5 During the period of feeding “Sihe Bombyx,†such as mulberry field pests, mainly to capture manually, combined with 1500 times the mulberry insects net division pest control division, can not be used to control pests large areas of medicine to ensure that silkworms for safety. After the summer harvest, 800-1000 times of methamidophos was used to control the pest. 6 After the summer harvest, the mulberry field fertilizer should be applied in time. Apply 30kg urea, 50kg ammonium bicarbonate, and 50kg phosphate fertilizer per acre, mix and apply. 7 In order to restore the growth of the mulberry tree, the high yield mulberry garden was continuously reared for 2 years "Sichun Silkworm", the third year of spring silkworm was over, and immediately after the summer harvest, after every two years of raising, the "second spring silkworm" was not raised every other year, and the tree vigor was restored. 8 The sparse buds should be timely. When the shoots grow to 10cm, they should be sparsely budded. Each adult tree leaves 10 to 12 roots, which are robust and disease-free. The concentration of nutrients is conducive to the growth of new shoots.
Features of convenience food:
1. Easy to eat and easy to carry. Convenience
foods are packed in specifications and are easy to carry. They are easy
to process when they are eaten. They only need to be rehydrated, thawed
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2, nutritious, health and safety. Convenience
foods are processed with reasonable ingredients and foods, and undergo
strict sanitary inspection, sterilization and packaging, so the
nutrition is rich, safe and reliable.
3. Low cost and low price. Convenience
foods use large-scale industrialized centralized production, which can
make full use of food resources and achieve comprehensive utilization,
thus greatly reducing production costs and sales prices.