Nutrient use efficiency of poplar and several plantation tree species in southern China.
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a Cutting age of plantations in China are as follows: poplar, 12–15 years; Chinese fir, 25–30 years; Eucalyptus, 5–10 years; Pinus massoniana, 30–40 years; Acacia mangium, 10–15 years. b NUE1 = aboveground biomass of trees (t)/nutrient content (kg) in aboveground parts of trees. c NUE2 = stemwood biomass of trees (t)/nutrient content (kg) in tree stemwood. Nutrient use efficiency of poplar and several plantation tree species in southern China.
创建时间:
2015-12-03



