1.Early varieties of loose leaf type; 2.planting to harvest 40-50 days; 3.the growth speed, semi-erect plant; 4.green leaf early maturity of the spreeding kind,40-50days from transplanting to harvest,quick speed of its growth,self endlong of its plant,verdure leaves,cold tolerence, diseases resistant,high quality. 1.Early varieties of loose leaf type;2.planting to harvest 40-50 days;3.the growth ...