为了适应高速发展的现代农业需求,化肥正在向比例协调化、养分高浓化、元素多样化、成分复合化、肥效可控化方向发展,而发展保肥增效的新型肥料是提高肥料效果的必由之路。当前化肥存在的一些问题,如以单元素为主,养分不完全;易变化,如氮肥会挥发,发生硝化和反硝化,磷肥容易退 In order to meet the rapid development of modern agricultural needs, fertilizer is to the proportion of coordination, high nutrient concentration, elemental diversification, composition of complex, fertilizer controllable direction, and the development of fertilizer and fertilizer to enhance the effectiveness of new fertilizer is to improve fertilizer effect only way. Some problems existing in the current fertilizer, such as single-element-based, nutrient is not complete; easy to change, such as nitrogen fertilizer will be volatile, nitrification and denitrification, phosphate fertilizer easily retreat