Can Soil Additives Improve Tree Transplant Success? A Look at the Science Behind the Hype
An array of products are marketed to improve tree establishment. These include natural products such as mycorrhizal inoculants and biostimulants as well as plant growth regulators, polymer gels and other synthetic compounds. Nearly all of these additives have a theoretical basis for why they should improve tree establishment. In practice, however, tree responses to additives often do not match the hype.