生菜又名叶用莴苣，属菊科。我国目前南部沿海地区栽培面积较大，通过几年的引种和试验、示范、推广，由于其味清香爽口，并有健胃之功效，深受群众喜爱，目前大有发展之势。生菜的类型大致可分为散叶生菜和结球生菜两种，其高产栽培技术措施如下：一、适时播种生菜的品种较多? Lettuce, also known as leaves with lettuce, is Compositae. At present, the cultivated area in the southern coastal areas of our country is relatively large. After several years of introduction and experiment, demonstration and popularization, thanks to its refreshing and refreshing taste and its stomach-invigorating effect, it is greatly loved by the masses. The types of lettuce can be roughly divided into two kinds of leaf lettuce and rooftop lettuce, its high-yield cultivation techniques are as follows: First, timely sowing more varieties of lettuce?