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