五华区地处云南省昆明市西北部,属滇中温凉区,气候温和,适宜农作物生长,是昆明市蔬菜种植基地的重要组成部分,年种植蔬菜1 666.7 hm2,产量0.186亿kg。其中外销占30%以上,产品销往北京、上海、广州、深圳等全国30多个大中城市及新加坡、韩国等国家和中国港、澳、台等地区[1]。近年来,随着市场对名、特、优、珍蔬菜的需求和种植技术的提高,西芹种植面积逐年扩大,研究、推广西芹无公害 Wuhua District is located in the northwestern part of Kunming City, Yunnan Province, Yunnan Province is a cool area, mild climate, suitable for crop growth, is an important part of the vegetable planting base in Kunming, annual planting of vegetables 1 666.7 hm2, yield 18610000 kg. Among them, more than 30% of the products are sold abroad, and the products are sold to more than 30 large and medium-sized cities such as Beijing, Shanghai, Guangzhou and Shenzhen, as well as Singapore, South Korea and other countries in China, Hong Kong, Macao and Taiwan [1]. In recent years, as the market for the name, special, gifted, Jane vegetable needs and planting techniques to improve celery planting area expanded each year to study and promote the celery pollution-free