Seedling characteristics such as leaf emergency, chlorophyll content, and height are important for early growth and also associated with seed size.

幼苗特性如叶的发生、叶绿素含量、植株高度等对早期生长是重要的，与籽粒大小相联系。

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Fertilizing in both early fast growing period and autumn can not only enhance seedling growth but also increase cold resistance.

既有速生前期施肥又有秋季施肥的处理，不仅提高了苗木的生长量，而且增强了苗木的抗寒性。

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Fertilizing in both early fast growing period and autumn can not only enhance seedling growth but also increase cold resistance.

既有速生前期施肥又有秋季施肥的处理，不仅提高了苗木的生长量，而且增强了苗木的抗寒性。

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