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Detailed Explanation of the Construction Technology for Oyster Mushroom Production Sheds in Western Liaoning
I. Advantages of Cultivating Oyster Mushrooms in Plastic Sheds 1. Good insulation in winter and fast heating. This kind of shed uses soil or brick as the back wall, is covered with anti-drip film as the roof, and covered with straw curtains on top. In the severe winter of December and the following January, the shed can maintain 8°C to 24°C or above, not lower than the lower limit temperature for oyster mushroom fruiting body growth, allowing fresh mushrooms to be marketed as usual during New Year's Day and Spring Festival. In Damiao Town, it has been shown to be usable year-round, ensuring year-round mushroom production without affecting production. 2. Ventilation and light transmission are easy to adjust. The back wall of the shed has several ventilation holes.
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Key Points and Detailed Operation Methods of Lily Whitening Processing Technology
Lily is one of the important health vegetables. The traditional processing method is to blanch the harvested lily and then dry it in the sun. Lily dried by this method still has a relatively high moisture content, is not resistant to storage, and is prone to discoloration. In the past, people used sulfur fumigation to maintain the whiteness of lily, but lily processed by this method is harmful to people's health. Now the dehydration method is used to dry lily, the moisture content is low, and after color protection, blanching and dehydration, discoloration is not likely to occur, which better solves the quality and safety problem of lily caused by sulfur fumigation.
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Detailed Guide to Lily Preservation Technology: Store Them This Way for Longer
After harvesting, lilies are prone to browning and rotting during storage and transport. At present, most post-harvest storage uses traditional methods, such as sand storage and cellar storage. Because traditional storage is hard to manage and temperature and humidity conditions are difficult to control, storage failures easily occur and cause relatively large losses. The following introduces the technology for preserving lilies using a "micro energy-saving cold storage + MA + preservative." (1) Process flow: harvest at the right time -> sort, remove stems and soil, trim off fibrous roots -> select bulbs -> preservative treatment -> air-dry -> put into boxes or baskets lined with preservative bags -> enter -2-0°C cold
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Detailed explanation of the processing technology for pear juice, the complete process at a glance
(1) Process flow: Feeding → Cleaning → Crushing → Pressing → Coarse filtration → Blending → Separation → Fine filtration → Filling → Sealing → Sterilization → Cooling → Bottle wiping → Quality inspection → Labeling → Finished product (2) Process specifications (1) Raw materials: Harvested pears must undergo after-ripening, and can only be processed when they emit fragrance and begin to soften. If refrigerated fruit is used, the core temperature must be below 15°C before it can be processed and utilized. The material must be cleaned and disinfected with potassium permanganate solution, then rinsed until colorless before processing.
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Detailed Explanation of Processing Technology for Small White Pear Acetic Acid Fermented Beverage
(I) Product Features: It combines the health benefits of both pear and acetic acid fermented beverages, and is rich in nutrients. Traditional Chinese medicine holds that: pears are cold in nature and sweet in taste, with effects such as moistening the lungs, reducing phlegm, relieving cough, reducing internal heat, and calming the mind. The acetic acid produced by acetic acid fermentation has effects such as eliminating fatigue, refreshing the spirit, promoting salivation and quenching thirst, and increasing appetite. (II) Main Raw and Auxiliary Materials: Small white pear, pectinase, wine yeast 1450#, acetic acid bacteria AS1.41, aspartame (APM), xanthan gum, white granulated sugar, honey. (III) Main Equipment
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A Detailed Guide to the Application of Fresh-keeping Technology for Exported Garlic
Garlic is one of the main varieties of agricultural products exported from China, with an annual export volume of about 300,000 tonnes. Of this, refrigerated (fresh-keeping) garlic accounts for about 60% of total exports. Therefore, whether the fresh-keeping technology is mature has a direct impact on the quality of exported fresh-keeping garlic. I. The fresh-keeping principle of garlic. After the cloves of a garlic bulb develop and mature, the bulb immediately enters a dormancy period of 1-2 months, during which it will not sprout even under suitable environmental conditions such as temperature, humidity and gas composition. After the dormancy period, the bud sheath and bud primordium begin to grow and become active, and under suitable conditions the young sprouts gradually germinate. In practice, the storage and fresh-keeping of garlic means that after the dormancy period of the bulb, necessary measures are taken to create unsuitable growing conditions and thereby force it to remain dormant. That is, through appropriate low-temperature, low-oxygen and other measures, its intensity of life activity is inhibited, the rate of consumption of its substances is reduced, and its original fresh state is maintained.
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Detailed Explanation of Key Points for Safe Garlic Production Technology
I. Plot selection. Choose loam or light clay loam plots for planting. II. Early sowing at the appropriate time. September 25-30 is the suitable sowing period for garlic. III. Seed garlic selection. Choose garlic produced in the current year as seed garlic, stored under natural conditions, with seed garlic cloves weighing 4-6 grams. IV. Reasonable application of base fertilizer. Make the soil nutrient content reach 110.53 micrograms/gram of available nitrogen, 60.22 micrograms/gram of available phosphorus, 136.77 micrograms/gram of available potassium, 8.41 micrograms/gram of available sulfur, and 0.85 micrograms/gram of available boron,
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US uses genetic technology to accelerate pig growth
Professor Robert Schwartz and other researchers at Baylor College of Medicine in Houston, USA, have used genetic technology to increase pig growth speed by 40%, speeding up the time for pork to reach the market and reducing feeding costs. Recently, according to a report in the journal Nature Biology, the key to this technology is the use of a synthetic chemical substance that can make piglets' pituitary glands secrete more growth hormone than those of ordinary pigs. The researchers inserted this chemical substance into biodegradable DNA fragments, and then injected the DNA fragments containing this
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Review of Research Progress on Pig Disease-Resistance Breeding Technology
High-yield objectives usually lead to reduced pig resistance. At the same time, pig farm diseases, especially viral infectious diseases, severely threaten pig health. Although vaccination has played an important preventive and control role, it has not been able to completely control and eliminate the prevalence of infectious diseases. In the long run, adopting genetic methods to improve pigs' resistance to pathogens at the genetic level, and carrying out disease-resistance breeding, has a fundamental effect. In the 1930s, some scholars reported that different chicken breeds differed in susceptibility to Marek's disease, and in the subsequent
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Detailed explanation of key points of cotton sowing technology, teaching you to grow cotton well
Cotton is still the main crop in agricultural production in northern Yuyao, and the cotton sowing area in 2007 is expected to be 25,000-30,000 mu. In recent years, cotton yield has risen steadily and economic benefits have continued to improve. In 2006, the city's actually harvested cotton area was 26,000 mu, with an average seed cotton yield of 193 kg (equivalent to a lint cotton yield of 76.5 kg per mu), an output value of 1,150 yuan per mu, and after deducting agricultural production costs, income reached about 1,000 yuan per mu. In particular, after the promotion of insect-resistant hybrid cotton, the cost of pesticides used in cotton fields has continued to decline, and environmental pollution in farmland
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