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果树合理施用化肥,是壮树、抗病、丰产的基础。过量施用或方法不当,便会造成肥害,甚至多方面的无形损失。一般化肥施用是以树定量的。施肥方法有环状沟施、放射沟施、条沟施和全园撒施等,实践证明,环状沟施省工、省肥、肥效利用率高。1—3年生幼树,每次株施氮磷复合肥0.2—0.4公斤,在距根茎30厘米处左右开沟施入,深度15—20厘米为宜。4—9年生初果期果树,每次株施尿素0.5公
The rational application of fruit trees fertilizers, is strong tree, disease resistance, high yield basis. Excessive application or improper method will result in fat loss and even in many aspects of intangible loss. General fertilizer application is based on the tree quantitative. Fertilization methods include annular ditch facilities, radio ditch facilities, ditch facilities and the whole garden spreading, etc. Practice has proved that the annular ditch Shi provincial workers, provincial fertilizer, fertilizer and high utilization rate. 1-3 year-old saplings, each strain of nitrogen and phosphorus fertilizer 0.2-0.4 kg, about 30 cm away from the roots ditching facilities, depth 15-20 cm is appropriate. 4 - 9-year-old fruit tree early fruiting, 0.5 times per plant urea