大三元肥是近年来研制开发的一种新型肥料,集中了无机化肥的速效、有机肥的长效和微生物肥的促效作用。简要介绍了大三元肥的发展概况、研制,分析了大三元肥的肥效机理,总结了其在农作物生产中的应用效果,并指出了大三元肥的应用前景,为进一步开展大三元肥的研究提供了方向,为可持续农业发展提供了有效途径。 Large ternary fertilizer is developed in recent years, a new type of fertilizer, focused on the quick-effect of inorganic fertilizers, organic fertilizer and microbial fertilizer for the long-acting effect. This paper briefly introduced the general situation of the big ternary fat fertilizer, researched and analyzed the fertilizer effect mechanism of the big ternary fat fertilizer, summed up its application effect in the crop production and pointed out the application foreground of the big ternary fat fertilizer. Provide direction and provide an effective way for sustainable agricultural development.