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核桃疏雄是当前我国核桃生产管理中的一项增产新技术。原是山西省林业科学研究所研究的科研成果,于1984年通过专家技术鉴定,1986年获山西省科研成果奖。山西省是全国核桃产区之一,栽培历史悠久,但长期以来核桃树的生产管理祖放,核桃产量低而不稳。据山西省林业厅原营林处1985年统计,全省有核桃树2570万株,其中结果树950万株,年产核桃2000万公斤,株均产2.1公斤,低于全国同年的平均株产核桃2.2公斤的水平。因此,在山西省推广
Walnut sorrow is currently in our country walnut production management in a new production technology. The original is the Shanxi Provincial Forestry Research Institute of scientific research, in 1984 through the expert technical appraisal, Shanxi Province in 1986 won the award of scientific research. Shanxi Province is one of the national walnut producing areas and has a long history of cultivation. However, the production of walnut trees has long been dominated by the ancestors and the yield of walnut is low and unstable. According to the original Forestry Office of Shanxi Provincial Forestry Department in 1985 statistics, the province has 25.7 million walnut trees, of which 9.5 million trees result, with an annual output of 20 million kilograms of walnuts, strains produced 2.1 kilograms, lower than the national average of the same year Walnut 2.2 kg level. Therefore, promotion in Shanxi Province