ICT Organics 1-2-3 Tree, 4 - 1 Gallon containers1 2 3 Tree alters the microbial balance more in favor of fungal species and is intended for woody plants and trees 1 2 3 Tree alters the microbial balance more in favor of fungal species and is intended for woody plant applications such as transplanting and soil injection. Fungal symbiosis has been shown to enhance protection from pathogens, increase drought stress tolerance, and improve uptake of macro and micro nutrients.