生菜的四季栽培生菜又名叶用莴苣，原产地中海，是莴苣的一个变种，近年来在云南各地扩大栽培，销往广州、深圳、香港等地，很受欢迎。它的营养价值很高，每１００克食用部分含蛋白质１－１．４克，碳水化合物１．８－３．２克，以及各种维生素、钙、铁含量都高于有些瓜果... Lettuce season cultivation Lettuce, also known as leaf lettuce, the origin of the Mediterranean, is a variant of lettuce in recent years to expand cultivation around Yunnan, sold in Guangzhou, Shenzhen, Hong Kong and other places, very popular. Its high nutritional value per 100 grams of food containing 1-1.4 grams of protein, carbohydrates 1.8-3.2 grams, and a variety of vitamins, calcium, iron content is higher than some of the fruits ...