黄河三角洲位于山东省西北部、鲁北平原,属温带大陆性气候,四季分明、光照充足,气温适中,春季气温回升快,雨热同期,年平均气温在11.7￣12.6℃,年降水量为530￣630mm,无霜期200天左右。近几年来冬枣在黄河三角洲地区迅速扩大,仅滨州市种植面积已达到6万hm2。由于低龄幼树冬枣园( The Yellow River Delta is located in the northwestern part of Shandong Province, the Lubei Plain, is a temperate continental climate, four seasons, adequate light, moderate temperature, the spring temperature pick up fast, rain and heat over the same period, the annual average temperature at 11.7 ~ 12.6 ℃, annual precipitation 530 ~ 630mm, frost-free period of about 200 days. Jujube in recent years, the rapid expansion of the Yellow River Delta region, only Binzhou city planted area has reached 60,000 hm2. As younger young jujube garden (