我国核桃生产的现状我国核桃主要分布在陕西、山西、河北、甘肃、河南、四川、北京、新疆及浙江、云南、贵州等省份,而且栽培历史悠久,经验丰富。到2000年,核桃总产量13万吨,达到历史最高水平,其中,云南、陕西、山西、河北、甘肃5省共产核桃9万余吨,占全国核桃总产量的70%以上 China’s walnut production status China’s walnuts are mainly distributed in Shaanxi, Shanxi, Hebei, Gansu, Henan, Sichuan, Beijing, Xinjiang and Zhejiang, Yunnan, Guizhou and other provinces, and cultivation has a long history and rich experience. By 2000, the total output of walnut reached 130,000 tons, reaching the highest level in history. Among them, more than 90,000 tons of walnuts were produced in Yunnan, Shaanxi, Shanxi, Hebei and Gansu provinces, accounting for more than 70% of the total output of the country’s walnuts