Common fertilizer special for sesbania in medium and low-yield fields in Huang-Huai-Hai region

The invention discloses a common fertilizer special for sesbania in medium and low-yield fields in a Huang-Huai-Hai region and belongs to the field of fertilizer preparation. An organic matrix, an inorganic matrix, a nitrogen fertilizer, a phosphate fertilizer, a potassic fertilizer and a trace element chelating agent serve as basic raw materials. The preparation method comprises the following steps: spraying, granulating activating agents and preparing the fertilizer through disc granulation, wherein the nitrogen fertilizer, the phosphate fertilizer and the potassic fertilizer are mixed according to a mass ratio 5-9:14-20:0-2 of N:P2O5:K2O. The common fertilizer special for sesbania serving as a base fertilizer is applied at a time, is simple in production process, low in cost, environment-friendly, high in utilization rate and obvious in yield-increasing effect and is suitable for needs of common fertilizer special for sesbania in medium and low-yield fields in the Huang-Huai-Hai region and feed or particle production.