论文部分内容阅读
2010年以来对甘肃省天水市所属的7个区、县进行了核桃古树资源初步调查,共发现树龄100年以上的古树约1 800株,基本分布在农村。在张家川县胡川乡蒲家村发现的核桃古树树龄最长,树高16.2 m,胸围6.88 m,冠幅南北长15.3 m、东西宽14.1 m,估计树龄在800年左右。另发现7株胸围在3.30 m以上的古树,估计树龄在300年以上。以上核桃古树的生存环境较差,建议相关部门重视农村果树古树资源的调查和保护。
Since 2010, a preliminary survey of old walnut resources has been conducted in 7 districts and counties belonging to Tianshui City, Gansu Province. About 1,800 ancient trees of more than 100 years of age were found, which were basically distributed in rural areas. The oldest walnut tree found in Pujia Village, Huchuan Township, Zhangjiachuan County has the longest tree height of 16.2 m and bust of 6.88 m. The crown is 15.3 m long from north to south and 14.1 m wide from east to west. It is estimated that the tree age is about 800 years. Another found that seven busts in the 3.30 m above the old trees, estimated age more than 300 years. The walnut tree living environment is poor, it is recommended that the relevant departments attach importance to the investigation and protection of ancient fruit trees in rural areas.