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为了保证果树连年高产、稳产,必须及时施肥补充,除在入冬前施足基肥外,还要根据一年中果树物候期需肥的特点及时施用追肥,以调节果树生长和结果的矛盾。追肥除了根施外,还可把少量肥料溶在水里喷到枝叶上去,也就是叶面喷肥。喷在叶面上的肥料通过叶片上的气孔和角质层进入叶片,然后输送到果树体内各个器官被吸收利用。
In order to ensure fruit trees year after year high yield, stable yield, must be timely fertilization supplement, except in the winter before the application of sufficient base fertilizer, but also according to the characteristics of the need for fertilizer in the fruit tree phenophase in a year timely top dressing to regulate fruit tree growth and the conflict. In addition to top dressing fertilizer, but also a small amount of fertilizer dissolved in water sprayed on the branches, that is, foliar fertilizer. The fertilizer sprayed on the foliage enters the leaves through the stomata and stratum corneum on the leaves and is then transported to the organs of the fruit tree for absorption.