For all poplar clones, annual growth rhythm accorded with "S" curve both in seedling height and ground diameter.

地径和苗高年生长节律表现为慢-快-慢的“S”型生长规律。

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For all poplar clones, annual growth rhythm accorded with "S" curve both in seedling height and ground diameter.

地径和苗高年生长节律表现为慢-快-慢的“S”型生长规律。

youdao