Trees can be planted from a pecan nut, from a seedling tree, or from a grafted tree. A grafted tree begins slow production after three to four years, reaching full production in its ninth or tenth year.A tree started from a nut takes five to seven more years to reach production. pecan tree begins to bear fruit about three to four years after its graft date. Pecan trees are the largest tree in the hickory family, reaching a height of 100 to 140 feet at maturity.
The definition of adequate is good enough for a specific requirement or purpose. A grade of 80% is an example of an adequate score on a test. adequate. adequate.
DERIVATIONS OF THE AI. 1  How is the Adequate Intake (AI) defined? 2  The AI is a recommended average daily nutrient intake level, based on experimentally derived intake levels or approximations of observed mean nutrient intake by a group (or groups) of apparently healthy people that are assumed to be adequate.