生产绿色果品的肥料选用,必须符合国家《生产绿色食品的肥料使用准则》,不对环境和果品质量产生不良影响,将果品中有毒物质积累控制在不影响人体健康的限度内。有机肥料的使用量,必须达到能保持或增加果园土壤有机质的程度。1.提倡多施有机肥土壤有机质含量是土壤结构性能和土质肥沃程度的主要衡量指标。增施有机肥是改良土壤的主要措施。日本、美国等发达国 The selection of fertilizers for producing green fruits must comply with the national guidelines for the use of fertilizers for the production of green foods without adversely affecting the environment and the quality of the fruits and will control the accumulation of toxicants in the fruits to such an extent that they do not affect human health. The amount of organic fertilizer used must be such as to maintain or increase soil organic matter in the orchard. 1. To promote the application of organic fertilizer Soil organic matter content is the main indicator of soil structure and soil fertility. Adding organic fertilizer is the main measure to improve the soil. Japan, the United States and other developed countries