Ecto-mycorrhizae 2 oz with Counter Display - Water Soluble mycorrhizal fungi in a bag, that has specific spores that form with Conifers, and many North American hardwood trees/shrubs (see list below). The extra Ingredients in this bag will help plant growth regardless of a mycorrhizal relationship (kelp/humate). Mycorrhizal relationship provides carbon sugars to the fungi, and in return provide nutrients, like nitrogen and phosphorus, to the plant, as well as other benefits. Application rates:Established Plant: Mix 2 oz with 3 gallons of water Plant Species That Benefit From Ectomycorrhizae* Alder Hazelnut Arctostaphylos Hickory Aspen Hemlock Basswood Larch Beech Linden Birch Madrone Chestnut Manzanita Chinquapin Oak Cottonwood Pecan Douglas fir Pine Eucalyptus Poplar Filbert Spruce Fir Willow