近年来青龙县种植桔梗、黄芩中药材的面积逐年扩大,并取得了很好的经济效益。其主要栽培技术是: 一、桔梗 必须用当年的种籽,直播或育苗移栽。春季或秋季直播,亩播量1～1.5公斤。播前用水浸种24小时,捞出晒半干播种。春季为4月5日至4月25日,秋季为9月15日至9月25日,行距20～25厘米,株距8～10厘米,开沟深度3厘米,边播边 In recent years, planted Campanulaceae Qinglong County, skullcap Chinese herbal medicine area has expanded each year, and achieved good economic returns. The main cultivation techniques are: First, Campanulaceae must use the current year’s seed, live or nursery transplanting. Live in spring or autumn, mu sowing 1 to 1.5 kg. Pre-sowing with water for 24 hours, remove the sun and dry seeding. Spring is April 5 to April 25, autumn is September 15 to September 25, spacing 20 to 25 cm, spacing 8 to 10 cm, ditching depth of 3 cm, while sowing