Pollution-free vegetables refer to vegetables that are not polluted by harmful substances, and some are called green vegetables or clean vegetables.

To produce pollution-free vegetables, we must first protect the environment to make vegetables have a good ecological environment, and choose pollution-free land as the vegetable base. The control of pests and diseases should focus on agricultural control and biological control.

The so-called agricultural control means selecting varieties resistant to diseases and insect pests and using more fully decomposed organic fertilizers. The so-called biological control means using natural enemies of pests to control pests. Or choose chemical pesticides with high efficiency, low toxicity and low residue, and improve the application method to seriously control the safety period interval. With the popularization and application of these methods, there will be more and more pollution-free vegetables on the market.

Pollution-free agricultural products, green food and organic food are the basic types of agricultural products quality and safety certification organized and implemented by the Ministry of Agriculture in China, all of which belong to the category of safe agricultural products. Pollution-free agricultural products: refers to unprocessed or primary processed edible agricultural products whose production environment, production process and product quality meet the requirements of relevant national standards and regulations, and are certified to obtain certification certificates and are allowed to use pollution-free agricultural products.