Arboriculture Terms

Longitudinal split in bark due to normal expansion of cambium and xylem (contrast with bark cracks); not considered a defect

water naturally stored underground in aquifers or that flows through and saturates soil and rock. supplying springs and wells (see water table; contrast with surface water).

one or more materials. such as soil. peat moss. perlite. ground bark. or sand. in which plants are grown; especially in nursery production.