French marigold seedling substrate and method for manufacturing same

The invention relates a French marigold seedling substrate and a method for manufacturing the same. The method includes steps of preparing fermented substrates of champignon mushroom bran; drying bird guano; and manufacturing the French marigold seedling substrate, and the like. The French marigold seedling substrate and the method have the advantages that the champignon mushroom bran is harmlessly treated and is recycled, and the French marigold seedling substrate is excellent in physical performance, low in conductivity and high in emergence rate, is full of nutriments and can be easily popularized and applied on a large scale.