Plant Revolution 100049818 Success Granular Mycorhizae Inoculant, White Granular mycorrhizal granular inoculum consists of 13 carefully selected endomycorrhizae, ectomycorrhizae and trico derma fungal species A high quality bio stimulant package containing kelp meal, humus, vitamins and amino acids Increases the root's ability to absorb water, nutrients, improve yields and plant health