化肥利用率低、资源和环境压力大以及农业劳动投入减少等因素让缓控释肥成为中国肥料创新的重要方向。虽然中国已经成为缓控释肥生产和消费大国,但仍需克服生产成本高、市场混乱、推广力度不够、科学施用研究滞后等难题,中国缓控释肥走向大田任重而道远。 Fertilizer utilization is low, the pressure of resources and the environment, as well as agricultural labor inputs and other factors to slow release fertilizer has become an important direction of China’s fertilizer innovation. Although China has become a large producer and consumer of slow release and controlled release fertilizer, it still needs to overcome such problems as high production costs, market turmoil, inadequate marketing efforts and lagging scientific research. Therefore, it is still a long way to go.