由河北省农科院昌黎果树研究所、河北省林木种苗管理站、省林业厅果桑处等单位共同承担的“河北省核桃新品种选育”研究课题,历经20年,已经获得重大成果,最近通过了专家组的鉴定。这 Hebei Province Academy of Agricultural Sciences Changli Fruit Research Institute, Hebei Province, tree seedling management station, the provincial Forestry Department fruit Sang Office and other units jointly bear the “Hebei Province, new varieties of walnut breeding” research project, after 20 years, has achieved significant results , Recently passed the expert group’s appraisal. This