紫苏,别名赤苏、红紫苏和白苏,为唇形科紫苏属一年生草本植物。1·繁殖方式紫苏用种子繁殖,可直播,也可育苗移栽。种子发芽率可达90%,在温度18～21℃,有足够湿度时,播种后7～10天可出苗。2·选择地块和整地施肥紫苏对气候适应性强,对土壤要求不严,在排水良好的沙质壤土、壤土、 Perilla, alias red Su, red perilla and white Su, for the Labiata perilla is an annual herb. 1 · Reproduction method Perilla seed propagation, can be broadcast, but also transplanting seedlings. Seeds germination rate of up to 90%, at a temperature of 18 ~ 21 ℃, with adequate humidity, 7 to 10 days after sowing can be sprouted. 2. Select plots and land preparation fertilizers Perilla adaptability to the climate, the strict requirements of the soil, in well-drained sandy loam, loam,