| Abstract: In order to improve the soil of greenhouse vegetables, through fixed points, certain persons and listed management, biological engineering based on straw returning to the field, straw biological reactors, planting green fertilizer, and increasing the application of farm fertilizer were carried out. These measures were combined with the adoption of protective farming methods for a period of three years. The soil of vegetable gardens was improved and restored, pests and diseases were controlled, and vegetable yield and quality were generally improved. |