孝陵公社位于关中西部,是陕西省烤烟老产区,已有40多年的种植历史。全社每年种植烤烟2300亩左右,收购烟叶45万斤左右。其中:上等烟叶占5.6%,中等烟叶占32.3%。但是。近年来品质有所下降。因此,认真研究适应老产区优质稳产的栽培管理措施,对提高老产区质量,实现优质稳产有重要意义。 Xiaoling commune is located in the western Guanzhong, Shaanxi Province is an old tobacco production area, more than 40 years of planting history. The whole community grows 2300 acres of flue-cured tobacco each year, about 450000 pounds of tobacco purchase. Of which: the finest leaves accounted for 5.6%, medium leaves accounted for 32.3%. but. In recent years, the quality has declined. Therefore, it is of great significance to study cultivation management measures to adapt the good quality and stable yield of the old producing areas to improving the quality of the old producing areas and realizing the high quality and stable yield.