Effects of Site Condition on Growth and Spatial Differences of Soil Nutrient in Populus simonii Carr.

与小叶杨人工林生长及土壤养分空间差异的影响>>相似的文献.

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There are two rows of Simon poplars growing neatly on either side of the street.

道路的两侧整整齐齐地长着两排小叶杨.

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