桔梗为桔梗科多年生草本植物,是全国销量最大的40种中药材之一,近年来还是大宗出口韩国的蔬菜,市场前景看好。 1.选地整地 桔梗为深根植物,根长常在30厘米以上,宜选琉松、肥沃、土层深厚、排水良好的缓坡地或平地栽培。于秋、冬深耕25厘米以上,耙平作畦,畦高20～25厘米,宽1.5米。桔梗生长周期长达1～2年,对肥力(?)求甚 Campanulaceae Campanulaceae perennial herb, is the country’s largest sales of 40 kinds of Chinese herbal medicines in recent years, or a large export of Korean vegetables, the market prospects. 1. The selection of platycodon alba is a deep rooted plant, the root length of 30 cm or more often, should choose the pine, fertile, deep soil, well drained gentle slope or flat cultivation. In the autumn and winter deep plowing 25 cm above, rake flat 畦, 畦 high 20 to 25 cm, 1.5 meters wide. Campanulaceae growth cycle up to 1 to 2 years, seeking fertility (?) Seeking