《石油和化工产业结构调整指导意见》和《石油和化工产业振兴支撑技术指导意见》对化肥行业的结构调整和振兴技术指出了明确方向。1有关化肥行业结构调整的主要工作1.1化肥提高氮肥、磷肥准入门槛,限制低水平产能无序扩张。重点发展高效复合肥、缓控释肥等高端产品,提高钾肥供 The Guiding Opinions on the Structural Adjustment of Petroleum and Chemical Industries and the Guiding Opinions on Technical Support for the Revitalization of the Oil and Chemical Industry point out a clear direction for the structural adjustment and rejuvenation technologies of the fertilizer industry. 1 The main work of the fertilizer industry structure adjustment 1.1 Fertilizer to improve access to nitrogen and phosphorus fertilizer threshold, limit the expansion of low-level capacity disorderly. Focus on the development of high-performance compound fertilizer, slow-release fertilizer and other high-end products to improve the supply of potash