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植物的根系从土壤中吸收营养,供植株生长发育。人们常给植物施肥、补充土壤的养分。大田施肥应怎样提高根系吸收营养的效果呢?如果解剖根部仔细观察就会了解,根部吸收营养最活跃的区域是根尖部分,它只占根部的很小部分,它可分为根冠,生长区、伸长区和根毛区(成熟区)。根冠是根的保护组织,分生区能产生新的细胞,伸长区使根尖伸进土壤并吸收无机盐,成熟区着生有大量的根毛,根毛是根部表面一层细胞的细胞壁向外凸起形成的管状毛,中央有环状和细纹
Plant roots absorb nutrients from the soil for plant growth and development. Fertilizers are often used by plants to replenish soil nutrients. Field fertilization should be how to improve the effect of nutrient absorption of the root? If the anatomy of the root will be aware of careful observation, the root absorption of nutrients is the most active area of the apical part, which only accounts for a small part of the root, which can be divided into the root of the crown, growth Zone, Elongation Zone and Root Hair Area (Mature Zone). Root crown is the root of the protective organization, the meristematic area can produce new cells, the elongation of the root tip into the soil and absorb inorganic salts, mature area with a large number of root hair, root hair is the root surface layer of cell wall Tubular hair formed by the outer convex, the central ring and fine lines