The Chinese date trees in low temperature and moist grow less in the area above 500m and the quality is lower than those in the area below 500m.

• 优质大枣主要分布在海拔 5 0 0m以下的阳坡区 ,在 5 0 0m以上的低温湿润区枣树的分布相对较少 ,品质较差