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牛蒡，又名大力于，为菊科牛劳届草本植物。牛劳富含营养，并具有医疗保健价值，是一种营养保健型和新兴的出口创汇蔬菜。目前发展势头较强，销售形势看好，是一个有希望成为继芦笋之后的“一代两高”农业产品。主要栽培技术如下。l、选地整地。牛易是深根作物，对土壤耍求严格
Burdock, also known as vigorously for the Asteraceae cattle labor herbs. Nutrilite contains nutrition and has health care value, it is a kind of nutrition health-care type and emerging export foreign exchange vegetables. The current development momentum is strong, the sales situation is optimistic, is a hope to become the second generation of agricultural products after the asparagus. The main cultivation techniques are as follows. l, the election site preparation. Cattle easy to deep-rooted crops, demanding on the soil