Nutrient cycling of aboveground poplar and Chinese fir at different maturity stages.
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资源简介：
aAnnual nutrient increment + annual nutrient returnb∑ (annual biomass increment of each poplar tissue × nutrient concentration of each tissue)c∑ (aboveground litterfall biomass of poplar of each month in the stand × nutrient concentration in litterfall of each month)d(annual nutrient return / annual nutrient uptake) ×100%; e data are from Sheng and Fan (2005).Nutrient cycling of aboveground poplar and Chinese fir at different maturity stages.
创建时间：
2015-12-03
