秋莴笋的丰产栽培安徽省安庆农校唐秀珍高笋为一、二年生菊科蔬菜，喜凉爽、忌高温，不耐霜冻，在长日照下形成花芽。秋莴笋生长前期因温度高、日照时间长，先期抽苔现象严重，高产难度较大。我们为防止和减少秋莴笋未熟抽苔，进行了多年的调研和试验，现将该项丰产栽培技... Autumn lettuce high yield cultivation Anxi School of Agriculture in Anhui Province Tang Xiuzhen high shoots as a perennial Compositae vegetables, hi cool, bogey high temperature, intolerant frost, in the long sunshine to form flower buds. Autumn lettuce early growth due to high temperature, long sunshine, pre-bolting is serious, high-yielding more difficult. We have done many years of research and experimentation to prevent and reduce the immature bolting of Autumn Lettuce.