Plant Success Endo and Ecto Mycorrhizal Granular 5 Pound Bucket 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