蔬菜含有丰富的营养物质,特别是它含有粮食、鱼、肉等食品所缺少的某些营养成份,如维生素、矿物盐、有机酸等。蔬菜是人生活中必不可少的食品,缺少它就会引起某些疾病,按照标准每人每天应食用一市斤。这就要求市场能够作到常年不断地向居民提供多种多样的,品质鲜嫩的蔬菜。我国幅员辽阔,自然条件相差悬殊。长江以南气候温和,雨水充足,特别是广东、广西、 Vegetables are rich in nutrients, in particular, they contain certain nutrients, such as vitamins, mineral salts, organic acids, that are missing from food, fish and meat. Vegetables are indispensable food in people’s lives, lack of it will cause some diseases, according to the standard should eat a jin per person per day. This requires the market to be able to provide residents with a wide variety of fresh and quality vegetables all year round. Our country has a vast territory and vast differences in natural conditions. The south of the Yangtze River has a mild climate with abundant rainfall, especially in Guangdong, Guangxi,