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红富士苹果树出现过旺生长的原因主要有如下几点。 1.树体本身的特性 红富士苹果树的树势、萌芽率、成枝力均强,就决定了树体易旺长。 2.树龄的影响 在未结果期或结果前期,由于营养生长占居优势地位,大量营养用于枝叶营造,易出现枝繁叶茂现象,树体生长过旺。 3.立地条件 红富士苹果园建在地下水位高或肥沃的土壤上时,肥水充足,生长节奏快,新梢生长量大,
Red Fuji apple trees appear excessive growth of the main reasons are the following points. 1. The characteristics of the tree itself Red Fuji apple tree tree potential, germination rate, branch force are strong, it determines the tree Yi Wang Chang. 2. The impact of age in the fruitless period or the early results, due to vegetative growth dominant position, a large number of nutrients for the branches and leaves to create, prone to flourish, the tree growth over. 3. Site conditions Red Fuji apple orchard built in the groundwater level or fertile soil, adequate fertilizer and water, fast growing rhythm, shoot growth,