核桃疏雄是当前核桃生产中的一项增产新技术.该项技术是山西省林业科学研究所的科研成果,于1984年通过省级技术鉴定. 山西省是全国核桃产区之一,但长期以来由于对核桃树的生产管理粗放,核桃产量低而不稳.据山西省林业厅1985年统计,全 Walnut desert is a current production of walnut in a new technology for the production of this technology is the Shanxi Provincial Forestry Research Institute of scientific research, passed the provincial-level technical appraisal in 1984. Shanxi Province is one of the national walnut producing areas, but long-term Since the extensive management of the production and management of walnut trees, walnut production is low and unstable.According to the Shanxi Provincial Forestry Department in 1985 statistics, all