Treeshelter Use in Producing Container-grown Trees

Treeshelters were used fpr the nursery production of Cedrus deodara Loud. (deodar cedar), Quercus ilex L. (holly oak), and Magnolia grandiflora L/ (southern magnolia) trees growing in 19-liter containers. Air temperature, relative humidity, and CO 2 concentration were higher inside the treeshelters than outside. Trees grown inside treeshelters were 74% to 174% taller than trees grown without shelters (...)