Before the soil is frozen, to promote the development of the root system of rape seedlings and protect the root system from freezing damage, the rape seedlings must be cultivated. When cultivating soil, pay attention to the following issues:
1. When taking soil, do not take soil too close to the rape seedlings, so as not to damage the roots of the rape seedlings.
2. When cultivating the soil, the soil should be confined to the base of the seedlings. The height of the confined soil is 3~5 cm, so that the central leaves cover the top core, which can well enhance the cold resistance of rape, but the soil should not bury the rape. The growth point of the seedling.
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Functional oligosaccharides refer to oligosaccharides that are difficult or impossible to be digested and absorbed by the human body and have special physiological effects on the human body. Its sweetness is generally only 30-50% of that of sucrose, and it has physiological functions such as low-calorie, anti-caries, prevention and treatment of diabetes, and improvement of intestinal colony structure. Due to the special physiological functions of functional oligosaccharides, it becomes a nutrient and health care product. A new generation of food-effect raw materials that integrate diet and therapy. It is a new functional sugar source that replaces sucrose and has a wide range of uses and application prospects. Common functional oligosaccharides include: xylo-oligosaccharides, fructooligosaccharides, galacto-oligosaccharides, isomaltose, raffinose and so on.
XOS, GOS, FOS, IMO, Raffinose, oligosaccharide
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