Special organic fertilizer for green Chinese onions and preparation method therefor

The invention discloses a special organic fertilizer for green Chinese onions. The fertilizer comprises the following components: corn straws, soybean straws, sweet potato vines, peanut straws,rape stalks, sheep manure, pig manure and a conditioning liquid. The invention further provides a preparation method of the special organic fertilizer for green Chinese onions. According to the fertilizer and the preparation method therefor disclosed by the invention, nutritional ingredients of soil can be effectively improved, harmful substances in the soil can be reduced, and meanwhile, plant diseases and insect pests can be effectively prevented, and the yield of green Chinese onions is improved; in addition, the organic fertilizer provided by the invention can effectively improve the content of the nutritional ingredients in the green Chinese onions. The method disclosed by the invention is further simpler and more convenient, and the fertilizer is lower in production cost.