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What are the responses of soybean growth and development to light?
Soybean is a short-day crop, with a daylength range of 9-18 hours. The shorter the light, the more it promotes flower bud differentiation and advances flowering and maturity. When soybean grows its first compound leaf, it begins to respond to light. Generally, seedlings can complete the light stage after 5-12 days of short-day conditions. The appearance of flower calyx primordia on the plant marks the completion of the light stage. Due to long-term adaptation to light conditions in different regions, the short-day response of soybean varies considerably. Southern soybean varieties have a stronger short-day response, while northern soybean varieties are insensitive to daylength, so special attention should be paid when introducing varieties.
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What are the temperature requirements for soybean growth and development?
Soybean is a warmth-loving crop, and the accumulated temperature required by soybean varieties in Heilongjiang Province is about 1800-2700°C. (1) The optimum temperature for seed germination is 18-20°C, at which germination is fast and seedlings emerge evenly; the minimum temperature is 6-8°C, but germination is very slow; when the temperature reaches 33-36°C, germination is fastest, but the seedlings are weak. (2) The minimum temperature required for emergence is 8-10°C. (3) For flower bud differentiation, 21-23°C is more suitable. For flowering, 22-25°C is more suitable. If the temperature is too high or too low, there will be fewer flowers. (4) The suitable
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What nutrients are essential for soybean growth and development?
Soybeans require large amounts of nutrients in many different forms. For the same yield, soybeans need 4-5 times more nitrogen than cereal crops. The main nutrients they require are the three major elements nitrogen, phosphorus and potassium, followed by 9 trace elements including calcium, magnesium, sulfur, magnesium, boron, molybdenum, manganese, zinc and copper.
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Key Technical Points in the Research and Development of Seasoned Mushroom Snacks
Seasoned mushroom snack series are among the newest leisure plant-based products. In particular, plant-based seasonings like mushroom snacks have become the reason many consumers favor this new food source of plant products, and the market has remained bullish. Drawing on years of experience in researching compound seasoned foods, we now specially offer the research and development techniques for related seasoned mushroom series products, such as seasoned shaggy mane mushroom (Coprinus comatus), seasoned enoki mushroom (Flammulina velutipes), seasoned tea tree mushroom (Agrocybe aegerita), seasoned shiitake mushroom (Lentinula edodes), seasoned matsutake (Tricholoma matsutake), and seasoned bolete (Boletus spp.), for everyone's reference and inspiration. 1. Processing workflow for seasoned mushrooms: mushrooms to trimming to preservation to
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What new trends are emerging in the development of peach varieties in China?
The market development trends have the following characteristics: white-fleshed juicy peaches still hold the mainstream position. In peach cultivation in China, white-fleshed juicy peaches account for more than 70%. Currently on the market, the main varieties are "Feicheng Peach", "Wuyuexian", "Chunlei", "Yuhualu", "Shazizaosheng", "Baifeng", "Okubo", and others. Due to the influence of many factors such as fruit flavor, productivity, storage and transportability, and cultivation area, the market prices of these varieties have dropped substantially in recent years. With the introduction of some new varieties, current orchard establishment mainly selects excellent varieties with larger fruit
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Detailed Explanation of the Development Process for Golden Sun Apricot Jam
Golden Sun apricot is a European apricot variety introduced by the Shandong Institute of Pomology in 1993. The fruit surface is smooth, the background color is golden yellow, and the sunny side has a red blush, making the fruit color very attractive. The flesh is yellow, fine and juicy, with few fibers, containing 14.7% soluble solids, 13.1% total sugar, and 1.1% titratable acid. The average single fruit mass is 70g, the stone is free, and the edible rate reaches 96.8%. The fruit matures at the end of May and has the ability to set fruit parthenocarpically. It is early-bearing, high-yielding, and stable-yielding, and is resistant to pests and diseases with strong adaptability. In view of Golden Sun
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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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What are the characteristics of each developmental stage of soybean?
(1) Germination stage: refers to the period from seed germination to seedling emergence, which takes 10-15 days for spring soybeans and 4-6 days for summer soybeans. The germination stage of soybean mainly requires appropriate temperature and suitable soil moisture. It is required to carry out seed treatment before sowing, improve the quality of land preparation, sow at the right time, ensure that the field soil is loose, and prevent excessive soil moisture and poor permeability, which can delay seedling emergence or even cause seed rot. (2) Seedling stage: refers to the stage from seedling emergence to flower bud differentiation. It requires an average daily temperature above 20°C and 19%-20% soil
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A Detailed Explanation of Edible Lily Cultivation Techniques and Development Prospects
May I ask the agricultural network experts: CCTV has broadcast a special report on edible lilies. May I ask where seeds are sold? Are there demonstration bases that can be used for reference? What are its development prospects? Is cultivation very difficult? According to China's current rural industrial structure adjustment, developing edible lilies has prospects, because it is also a new type of specialty vegetable. At present, the development of edible lilies in Xiguoyuan Township and Pengjiaguan Township in the suburbs of Lanzhou is the best, and it has become their advantageous product. You can go there to visit and learn.
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Analysis of the Introduction Performance and Development Strategies of Southern Pears in Hezhou
According to the deciduous fruit development concept of "southern pears and northern peaches" proposed by the Ministry of Agriculture in 1996, Hezhou City, Guangxi, began introducing southern pears from Zhejiang University, Guilin, Guangxi, and other places in 2000. A total of 11 southern pear varieties were introduced, and the current cultivation area is 1066.67 hm2. It is expected that the pear output in 2006 will reach 25,000 t. Based on current introduction observations, the soil, climate, and other natural conditions in Hezhou City are very suitable for the growth of southern pears. Many varieties show advantages such as high and stable yield, good taste, rich flavor, and strong resistance. The products are widely welcomed by consumers in the market.
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