粮食、棉花、化肥、原油和成品油以及煤炭等对国计民生关系重大，但它们的生产经营却比较分散，是政策性和竞争性都比较强的特殊商品，政府不敢放开行政管制，但市场化的要求却很强烈，两者形成尖锐的矛盾，可是又必须统一。也就是说，既要求彻底和充分的市场化，又要求高... Grain, cotton, chemical fertilizers, crude oil and refined oil and coal have a great bearing on the national economy and people’s livelihood. However, their production and management are rather scattered. They are special commodities with strong policy and competitiveness. The government can not let go of administrative control, but the market The requirements of the United States are very strong. The two form sharp conflicts, but they must be unified again. In other words, it requires both thorough and full marketization and high demand.