冬枣树在鲁北地区有悠久的栽培历史,但过去因种种原因多以小宗庭院栽培为主,产量低,品质差,管理也很粗放。近几年来,随着果品保鲜贮藏技术的发展,人民生活水平的不断改善及对鲜枣营养保健作用认识的提高,冬枣资源得到了快速发展和利用。又加上新品种的引进和科学管理,其产量和质量都有大幅度的上升。据调查,目前产量与市场需求仍有很大差 Winter jujube tree in northern Shandong has a long history of cultivation, but in the past due to various reasons, mostly small garden cultivation, low yield, poor quality, management is also extensive. In recent years, with the development of fruit preservation storage technology, continuous improvement of people’s living standards and the improvement of the understanding of the nutritional functions of fresh dates, jujube resources have been rapidly developed and utilized. Coupled with the introduction of new varieties and scientific management, its output and quality have risen sharply. According to the survey, the current output and market demand is still very poor