研究了7种施磷肥(P2O512%的过磷酸钙)量(0~0.750 g·盆-1)对1年生木犀Osmanthus fragrans苗生长的影响.结果表明:施磷量和木犀苗木的生长、生理指标密切相关;施磷量在0~0.375 g·盆-1时,苗高、地径、叶面积、各部位生物量、叶绿素等方面均随施磷量的增加而增加,当施磷量超过0.375 g·盆-1时,上述指标均呈现下降趋势;木犀苗木的各项指标与磷肥用量之间存在二次函数关系,计算得出1年生木犀苗木的最佳磷肥施用量为0.28~0.46 g·盆-1.%The growth of One year-old seedlings of Osmanthus fragrans was affected by seven levels of phosphorus fertilizer treatment. Results of the research indicated that:(1) the growth and physiological indexes were closely related to the application amount of phosphorus fertilizer.(2)The amount of phosphorus was gradually increased among the range of 0-0.375g/ pot, with which the seedling height, the ground diameter, the leaf area, the biomass and the chlorophyll of seedlings were increased accordingly, when the amount of phosphorus used exceeded the 0.375g/ pot, the indicators aboved tended to fall. According to the twice functional relationship between indicators researched and the application quantity,the appropriate amount of phosphorus fertilizer was 0. 28-0. 46g /pot for one year-old Osmanthus fragrans seedling.
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