将５个冬枣品系定植于试验区，进行了为期三年的试验研究，筛选出了沂水大雪枣，沾化冬枣两个冬枣优良品系，并总结出了一整套高产栽培技术。 Five winter jujube cultivars were planted in the experimental area. Three years of experimental research was carried out, and two excellent winter jujube varieties of Yishui Da Xuezao and Zhanhua jujube were screened out and a set of high-yielding cultivation techniques were summarized.