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通过在北京市八大岭林场进行的风景林复混肥料试验,对山区风景林的肥料施用效果进行了初步研究。结果表明,对侧柏生长量以复混肥料6号配方最佳,与施肥处理相比增加幅度为140%~175%,其它配方也有不同程度的增加。黄栌叶面喷肥效果显著,增加幅度在22.6%~89.8%。经济效益分析结果表明,平均每公顷减少幼林抚育费用1650元,比不施肥提前5年达到育林标准。
The effect of fertilizers application in the scenic forest of mountainous area was studied through the experiment of the compound fertilizer of scenic forest in Badaling Forest Farm in Beijing. The results showed that the optimal formula of compound fertilizer No.6 for oriental arborvitae growth was 140% -175% more than that of fertilization, and the other formulas also increased to some extent. Huangpi foliar fertilizer effect is significant, an increase of 22.6% to 89.8%. The results of economic analysis show that the average annual fee for young tending is 1,650 yuan per hectare, up to 5 years before fertilization.