随着山区农业产业结构的调整 ,云南蔬菜种植业及绿色蔬菜 (A)生产的发展 ,种植优质反季节莴笋 ,成为云南省山区继白菜、萝卜后农村经济持续发展的又一新兴主种蔬菜品种。昆明农丰园贸易有限责任公司在前三年的夏、秋季外销蔬菜种类中 ,除白菜、萝卜外 ,莴笋的需求量和销售量最? With the adjustment of agricultural structure in mountainous areas, the development of vegetable planting industry in Yunnan and the production of green vegetables (A), the cultivation of high-quality off-season lettuce has become another emerging main vegetable species that continues to develop in the rural economy following the success of cabbage and radish in Yunnan Province . Kunming agricultural Feng Yuan Trade Co., Ltd. in the first three years of summer and autumn, the types of vegetables exported, in addition to cabbage, radish, the demand and sales of lettuce most?