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从叶完全展开到生长季结束 ,对常绿阔叶树种日本米槠 (Castanopsis cuspidata(Thunb.) Schottky)和具柄冬青 (Ilexpedunculosa Miq)及落叶阔叶树种栎 (Quercus serrata Murr.)和栓皮栎 (Quercus variabilis Blume)叶片的 N和 P浓度、含量和养分转移进行了测定 .在生长期中日本米槠新叶的 N浓度在 5月为 36 .6 g/ kg,然后降到 15 .5和 17.5 g/ kg之间 ,其老叶的N浓度波动于 10 .4和 13.1g/ kg的范围内 ,而具柄冬青新叶的 N浓度从 2 7.3下降到 16 .0 g/ kg,接着上升到 18.3g/ kg,其老叶的 N浓度在 12 .0到 15 .5 g/ kg的范围内。栎和栓皮栎的叶 N浓度分别从 2 8.8下降到 18.1g/ kg和从 2 8.5下降到17.5 g/ kg。日本米槠新叶的 N含量从 1.5 4下降到 1.35 g/ m2 ,接着上升到 1.5 0 g/ m2 ,其老叶 N含量从 1.36下降到1.0 0 g/ m2 ,接着上升到 1.2 1g/ m2 ,而具柄冬青新叶的 N含量从 2 .2 5下降到 1.6 0 g/ m2 ,接着上升到 2 .2 0 g/ m2 ,其老叶的 N含量从 2 .13下降到 1.6 5 g/ m2。栎和栓皮栎的叶 N含量分别从 2 .10下降到 1.2 8g/ m2和从 2 .95下降到 2 .13g/ m2。日本米槠新叶的 P浓度由 3.39g/ kg降到 1.12和 1.15 g/ kg之间 ,其老叶的 P浓度变化于 0 .6 6和 0 .88g/ kg的范围内 ,而具柄冬青新叶的
From the complete development of leaves to the end of the growing season, the effects of Castanopsis cuspidata (Thunb.) Schottky and Ilex pedunculosa Miq and deciduous broad-leaved Quercus serrata Murr. And Quercus serrata Quercus variabilis Blume) leaf N and P concentration, content and nutrient transfer were measured in the growing season in the new Japanese rice cane N concentration in May was 36.6 g / kg, and then dropped to 15.5 and 17.5 g / kg, the concentration of N in old leaves fluctuated between 10.4 and 13.1 g / kg, while the N concentration of new stems of A. hollyi decreased from 7.3 to 16.0 g / kg and then increased to 18.3 g / kg, and the old leaf’s N concentration is in the range of 12.0 to 15.5 g / kg. Leaf N concentrations in Quercus variabilis and Quercus variabilis decreased from 28.8 to 18.1 g / kg and from 8.5 to 17.5 g / kg, respectively. The N content of new leaves of Japanese rice cake decreased from 1.54 to 1.35 g / m2, then increased to 1.5 0 g / m2. The content of N in old leaves decreased from 1.36 to 1.0 0 g / m2, then increased to 1.2 1 g / m2, However, the N content of new stems decreased from 2.55 to 1.6 0 g / m2 and then increased to 2.02 g / m2, while the N content of old leaves decreased from 2.13 to 1.6 5 g / m2 . Leaf N content of Quercus variabilis and Quercus variabilis decreased from 2.10 to 1.2 8g / m2 and from 2.95 to 2.13g / m2, respectively. The P concentration of new leaves of Japanese poplar reduced from 3.39g / kg to 1.12g / kg and 1.15g / kg, the P concentration of old leaves varied from 0.66 and 0.88g / kg, New leaf