紫苏为常用中药,以茎、叶及种子供药用,鲜紫苏全草可蒸馏紫苏油,是医药工业的原料。种子出油率达34%～35%,可食用或药用。紫苏便于管理,适合山区贫瘠土地种植,投入少,产出高,产投比约为80∶1,公顷纯效益约7000元,近几年桦南县年播种面积达1万亩。1留种与采种选生长健壮、叶片两 Perilla is commonly used traditional Chinese medicine, with stems, leaves and seeds for medicinal purposes, fresh perilla plant can be distilled perilla oil, is the raw material for the pharmaceutical industry. Seed oil yield of 34% to 35%, edible or medicinal. Perilla is easy to manage, suitable for planting barren land in mountainous area with less investment and high output. The ratio of production to investment is about 80: 1, and the net benefit of hectare is about 7,000 yuan. In recent years, the annual sown area in Huanan County is 10,000 mu. 1 stay species and seed selection growth robust, two leaves