All organs, above and under ground, of a fruit tree is an unified organic body, In cold and dry regions, the growing period duration is short.
果树的地上下部是一个统一的有机体。干寒地区果树生育期短。
All organs, above and under ground, of a fruit tree is an unified organic body, In cold and dry regions, the growing period duration is short.
果树的地上下部是一个统一的有机体。干寒地区果树生育期短。
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