LDS Scripture Citation Index. This goes through all the standard works of the the LDS faith and links individual verses or sections with with the best citations possible: words of modern prophets and apostles.
3. To become productive, the wild olive must be cut back completely and then a branch from a tame olive tree must be grafted onto the stem of the wild tree. With careful pruning and cultivating, the tree will begin to produce fruit in seven years and become fully productive in about fourteen to fifteen years.