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How Does Soybean Cultivation Improve the Soil? A Detailed Guide to Practical Techniques
1. Soil Conditions for High-Yielding Soybeans Soil conditions are the foundation of high soybean yields. Soil moisture status, nutrient status, and certain physical properties of the soil are important factors affecting soybean yield. Soybean seeds require more moisture to germinate than cereal crops. Soybean seedling roots are relatively tender and high in water content, so suitable soil moisture conditions are needed to promote deep elongation of the young roots. The main root of the plant can reach about 1 m, and lateral roots can extend horizontally to about 0.5 m. When soil moisture is insufficient, both vertical and horizontal root growth are affected.
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How does the large-seeded, high-yielding Huayou No. 5 soybean perform?
On September 30, right in the harvest season for field crops, the reporter saw in the contiguous fields of Huayou No. 5 soybean planted in Gongjiazhuang Village, Qiaoxi District, Shijiazhuang City: the golden leaves could no longer hide the pods covering the plants, the pods hanging on the stems were as densely packed as harvested corn wrapped around tree trunks, the plump beans seemed about to burst the pods, and the 3 seeds in each pod refused to be outdone, each growing perfectly round. Wang Yuling, the breeder of this variety and director of the Soybean Office of the Shijiazhuang Academy of Agriculture and Forestry Sciences, who was conducting a survey in the field, introduced that Gongjiazhuang Village has 1
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How does the three-high soybean elite variety Liaodou 22 perform?
Liaodou 22 is a new "three-high" (high yield, high oil, high protein) elite soybean variety bred by the Crop Research Institute of the Liaoning Academy of Agricultural Sciences. As early as 1995, using Liao 8878-13-9-9 as the female parent and 93010-1 as the male parent, it was developed through sexual hybridization and pedigree selection over 11 years, and was approved by the National Crop Variety Approval Committee in 2006. 1. Characteristics and traits: well-developed root system, strong stems, dark green leaves, elliptical leaflets, main stem with 17.7 nodes,
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What other effects does feed have on egg quality?
Egg weight is affected to a certain extent by the protein level of the diet. Increasing the protein level of the diet, especially the level of animal protein, helps to increase egg weight. Some trace elements are related to the internal quality of eggs. Adding iron, copper, zinc and selenium to the diet can improve the internal quality of eggs. If the feed is contaminated by pesticides or toxic heavy metals, it will also affect egg quality.
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What harm does excessively high temperature in a snake enclosure in summer do to snakes?
In captive snake breeding, whether in indoor housing or outdoor snake enclosures, the stocking density is generally quite high. In summer, if the temperature inside the snake enclosure is too high, or before and after heavy rain when high temperature and high humidity with poor ventilation easily occur, the snakes being kept will refuse to eat, become inactive, and fail to shed their skin; some may even adopt a passive heat-avoidance strategy and enter "summer dormancy," which will inevitably affect their normal growth and development. Because snakes themselves have no sweat glands, they cannot regulate their own temperature and humidity. When the temperature inside the enclosure approaches 30°C, the snakes' water intake will increase, their breathing will speed up, they will become listless, and their activity will become irregular; in severe cases they will vomit mucus and phlegm (caused by pneumonia), which can lead to death. Diseases contracted by snakes in this season are often highly contagious and tend to cause relatively large economic losses, so medication should be administered promptly for treatment.
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What effect does a low-fiber diet have on sows?
When the crude fiber content in the diet is too low, it can also trigger a series of problems in pregnant and lactating sows. For example, it easily causes constipation in sows; the reason may be that feed stays in the digestive tract too long, too much water is absorbed, and the feces become dry, causing constipation. In addition, digestive tract problems such as gastric ulcers in sows in factory farming may also be related to the level of dietary fiber content. If sows in early pregnancy are fed a low-fiber diet, then, limited by feed intake, it is difficult for them to feel full, which can trigger problems such as jumping out of the pen.
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Does applying chlorsulfuron to wheat fields affect cotton?
Chlorsulfuron is a sulfonylurea herbicide with high herbicidal activity, mainly used in wheat and flax fields to control annual monocotyledonous and dicotyledonous weeds. In China, it is currently restricted to use only in wheat fields in the wheat-rice rotation areas of the Yangtze River basin. It is not easily decomposed in soil, and its residual effect lasts up to 6 months. Crops such as cotton, peanut, soybean and vegetables are sensitive to this herbicide. When chlorsulfuron is applied to wheat fields and sensitive crops such as cotton are planted in the following crop, phytotoxicity of varying degrees will occur. In wheat fields where chlorsulfuron has been applied, it is best not to transplant cotton; other crops with strong tolerance can be planted instead.
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Identification Methods and Management Measures for Vicious Does
Every year during the fawning and nursing period of does, at some deer farms, due to inadequate management techniques, incidents of vicious does harming newborn fawns and keepers occur from time to time. Some newborn fawns are pawed to death, and some keepers or technicians are pawed and injured. According to a survey, a vicious Sika deer doe once pawed to death 5 newborn fawns and injured 2 young and strong keepers in the first few days after giving birth. The harm caused by vicious does has led to a marked increase in fawn mortality and should be given full attention. 1 Identification
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What environmental conditions does straw mushroom (Volvariella volvacea) need to grow?
1. Temperature: Straw mushroom is a high-temperature type agaric mushroom. The temperature required for spore germination is 25-45°C, with 40°C being optimal; above 45°C or below 25°C, germination cannot occur. The temperature range that straw mushroom mycelium can adapt to for growth is 20-40°C, and the most suitable temperature for growth is 35-36°C; at this temperature, the mycelium grows fastest. Below 15°C or above 42°C, the mycelium grows slowly, stops growing at 10°C, and dies quickly below 5°C. The suitable temperature for fruiting body development is 28-32°C
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What nutrients does the pig's body need (Part 1)
Mastering the nutrients needed by the pig's body and the content and functions of various nutritional components can promote the pig's growth and development, enhance its disease resistance, regulate the pig's normal physiological functions, improve the level of pig production and reduce production costs. The nutrients that sustain the life of the pig's body are substances such as protein, fat, carbohydrates, minerals and vitamins. Various nutrients have different functions, which are briefly described as follows. (1) Protein Protein is the main component that makes up the various tissues and organs of the pig's body, such as skin, muscle, blood, internal organs, bristles and hooves
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