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在冬季,由于各种原因,如缺肥少水、低温霜冻、病虫为害等,往往会造成柑桔叶片大量黄化,并纷纷脱落,严重削弱树势,影响翌年开花结果。为了复壮树势,促进开花座果,在春季,对于大量黄化落叶的柑桔树,必须加强以下各项栽培管理:一、重施有机肥料。春季气温开始回升时,每株树施腐熟人畜禽粪5—10公斤,围绕树冠滴水线挖深15—20厘米、宽30—40厘米的环状沟施。同
In winter, due to a variety of reasons, such as lack of fertilizer and water, low temperature frost, pests and other pests, often cause citrus leaves a large number of yellow, and have off, severely weakened the tree vigor, affecting the flowering the following year. In order to rejuvenate the tree vigor and promote the flowering of fruit, in the spring, for the large number of yellowing and deciduous citrus trees, we must strengthen the following cultivation and management: First, re-application of organic fertilizer. Spring temperatures began to rise, each plant tree maturity of manure and livestock manure 5-10 kg, dig around the crown drip line 15-20 cm, 30-40 cm wide annular groove facilities. with