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A Full Analysis of the Key Points of Pear Cultivation Techniques in the South
With the development of pear production, the original pear varieties in Tongxiang gradually revealed their shortcomings: the fruit-setting performance of Huanghua pear is unstable, and its ripening period is vulnerable to typhoons, while the ripening period of Xinshiji is prone to fruit cracking, causing heavy losses in some years. To adapt to market demand, pear varieties mainly consisting of Cuiguan and Cuilv have been promoted in recent years, achieving good benefits. 1.
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Abnormal Behavior and Cause Analysis of Sick Discus Fish
For a generally sick discus fish, we can roughly understand its possible causes from abnormal behavior, appearance, and so on. Abnormal behaviors of sick fish and their causes: 1. The fish floats to the water surface, moves sluggishly, and looks listless -- oxygen deficiency, gill parasites, and bacterial infection. 2. Feeding rate decreases -- water quality may have deteriorated. 3. Gathers in one corner at the bottom of the tank, clamps its fins, etc. -- may have internal or external parasites, bacterial infection, etc. 4. Rubs against the tank wall or heater tube -- external parasite infection. 5
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Full Analysis of the Key Techniques for Cultivating Gastrodia elata f. glauca
Gastrodia elata f. glauca has a good form, a high dry-to-fresh ratio (3 jin of fresh product dries into 1 jin of dried product), and excellent quality, and its price is three to four times higher than that of Gastrodia elata f. elata and Gastrodia elata f. flavida. The reason Gastrodia elata f. glauca commands such a high price is also that both the areas and quantities of its artificial cultivation and its wild distribution are very small. Therefore, cultivating Gastrodia elata f. glauca artificially requires grasping the following key points: 1. Cultivation region. Gastrodia elata f. glauca is mostly distributed in Yunnan, Guizhou and Sichuan, and is also found in the three northeastern provinces. In the Yangtze River basin, Gastrodia elata f. glauca is distributed, or artificially cultivated, only in high mountains above 1500 m in altitude. So for artificial introduction and cultivation, it is best to use places at 1500-2000 m. According to our trials, introduction and cultivation in places below 1200 m in altitude gives very poor results. Therefore, artificial cultivation of Gastrodia elata f. glauca should choose cool high-mountain locations if it is to achieve both high quality and high yield.
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How profitable is Gastrodia elata cultivation? A planting income analysis
Question: How profitable is cultivating Gastrodia elata? Is it guaranteed? Answer: It can be said with certainty that the production benefit of Gastrodia elata is relatively high. At present, the purchase price of fresh Gastrodia tubers is generally around 40 yuan per kilogram. Calculated at a yield of 10 kilograms per square meter, the output value is about 400 yuan. In the first year of planting, the input cost is about 200 yuan, and the production benefit is about 200 yuan; from the second year onward, using self-produced tuber seeds to expand the cultivation area, about 5 times the cultivation area of the first year, and at the same time using first-generation high-quality fungal strains to self-cultivate fungal wood, that is,
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Cultivation and Management Key Points of Dianthus Chinensis and Analysis of Its Extension Value
Dianthus chinensis is a perennial herbaceous plant of the genus Dianthus in the family Caryophyllaceae. It originated in Austria and Siberia, and was introduced from Siberia in 1989 by the Changyi City Nursery in Shandong Province. Later, with the help of Shandong Agricultural University and other research institutes, related cultivars were also introduced from Canada, Japan, the United States and other places. After 7 years of crossbreeding, domestication and improvement, 3 series and 36 cultivars were successively bred: "Changhua" (1995), "Huadu" (1997) and "Xueyuan" (2000) (with strong resistance, large flowers and more beautiful flower colors).
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Analysis of Causes of Jasmine Death in Winter and Key Care Points
Causes of jasmine death in winter: 1. Cold damage: when the air temperature (room temperature) falls below 3-5°C, the plant's physiological functions are damaged; when it drops to 3°C, the whole plant will die. 2. Overly wet potting soil: when the air temperature (room temperature) is below 10°C, jasmine is in a dormant state and its demand for water in the potting soil is relatively low. If watered too much, the jasmine root system remains in an unaerated condition for a long time and is prone to suffocation and death. 3. Overly dry potting soil: if not watered for a long time, jasmine will wither and die. To help jasmine survive the winter safely, cold protection must be done well
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A Comprehensive Analysis of the Prevention and Treatment of Infectious Canine Hepatitis
Infectious canine hepatitis is an acute infectious disease caused by canine adenovirus infection. It is characterized by mainly affecting puppies under 1 year of age and often causing acute necrotizing hepatitis, and it is frequently complicated by mixed infection with canine distemper in clinical practice. This disease occurs almost everywhere in the world and is a common infectious disease of dogs, but it is often overlooked or misdiagnosed by breeders; therefore, adopting comprehensive prevention and control measures against this disease is very important for the healthy development of the dog-breeding industry. 1 Outbreak situation: A dog-breeding household in Zhaoyuan County purchased 12 meat-purpose growing dogs from elsewhere on July 16
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Division of Rice Production Regions in Guangdong and Analysis of the Characteristics of Each Region
Guangdong Province is bordered by the Nanling Mountains to the north and the South China Sea to the south, with vast rice-growing areas; rice is cultivated from tidal fields at sea level to mountain terraces at an elevation of one thousand meters. Guangdong has a monsoon subtropical and tropical climate. The safe growth period for rice is 220-280 days in most places. The rice-growing season is long; for example, in Guangzhou the early rice is generally sown in early March and harvested in mid-July; typical late rice varieties are sown in late June, reach full heading around October 10, and are harvested in mid-November; the "fanqiu" (second cropping of early rice) reaches full heading in early to mid-July. Abundant rainfall and long sunshine hours are all conditions favorable to rice growth.
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A Comprehensive Analysis of Key Points for Drug Use in Fish Farming
In recent years, China's aquaculture industry has developed rapidly, and the degree of intensification in aquaculture has also been increasing quickly. At the same time, the aquaculture environment has been continuously deteriorating, causing a decline in the immunity and disease resistance of cultured species, while the incidence of disease has increased significantly. Moreover, due to factors such as mutations in pathogenic bacteria, new diseases and difficult-to-treat diseases have frequently emerged. At present, these diseases are mainly treated with medication. This article discusses the development, classification, factors affecting drug action, and problems existing in the use of fishery drugs in China. I. The Development of Fishery Drugs
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Analysis of the problems existing in the development of the eel industry and the countermeasures and suggestions
I. Seedlings and fingerlings The main species farmed for eel in China are the Japanese eel (Anguilla japonica) and the European eel (Anguilla anguilla). The resources of both the European eel... have already approached exhaustion, with annual production falling from 3,000 tons 30 years ago to 100-200 tons. From June 3 to 15, 2007, at the Conference of the Parties to the "Washington Convention" (CITES) held in the Netherlands, the European eel was listed in Appendix II of the Convention on Endangered Species of Wild Fauna and Flora, and this will be formally implemented starting in January 2009: China imports about 60 tons, or about 150 million individuals, of European eel seedlings and fingerlings annually, and farmed European eel accounts for more than 1/3 of eel production, while European eel accounts for about 40% of exported roasted eel. Japanese eel resources have also severely declined. In recent years, the seedling and fingerling resources of Japanese eel in Asia have remained at about 100 tons, and the annual catch in recent years has remained at 80-100 tons. In 2008, the output of European eel seedlings and fingerlings was about 90 tons, half of a normal year. The output of Japanese eel seedlings and fingerlings was about 35 tons, one third of a normal year. The severe shortage of seedling and fingerling resources has led to soaring prices. Moreover, artificial breeding of eel seedlings and fingerlings will not be able to form production capacity in the near future.
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