配方施肥对榉树幼苗生长的影响

Effects of different fertilization on the growth of Zelkova schneideriana seedlings

以1年生榉树幼苗为试验材料,采用氮、磷、钾3因素5水平正交试验设计,通过测定其苗高、地径和鲜生物量等形态指标的变化情况研究不同配方施肥对1年生榉树幼苗生长状况的影响,并得出最利于榉树幼苗生长的氮、磷、钾肥配比。结果表明:不同的配方施肥均对榉树幼苗的生长产生影响,促进榉树幼苗生长的最优配方为N3P4K3,即每株榉树幼苗氮、磷、钾肥施用量分别为2、4、1 g/株。

The experiment selected one-year-old Zelkova schneideriana as materials and employed three factors five levels orthogonal experiment design. This paper researched on the effects of different fertilization of annual beech seedling growth conditions by measuring changes in its forms indicatorheight, diameter and fresh weight biomass.And draw the most beneficial fertilization composed of nitrogen, phosphorus, and potassium fertilizer. At last provided technical guid-ance for the cultivation, promotion and protection of Z. schneideriana. The test results show that fertilization all have an impact on the growth of beech tree seedlings.The optimal formula for beech seedling growth is N3P4K3.It means that the nitrogen?s, phosphorus?s and potash fertilizer?s fertilizer of Z. schneideriana is 2 g per plants,4 g per plants and 1g per plants.