叶片是前期组织氮素的重要贮存器官和籽粒灌浆中氮素的主要供给源。

The leaf was the major storage organ for nitrogen and the source of nitrogen for grain filling.

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叶片是前期组织氮素的重要贮存器官和籽粒灌浆中氮素的主要供给源。

The leaf was the major storage organ for nitrogen and the source of nitrogen for grain filling.

youdao