Why have the magnolia, pine and dogwood trees died on my property?

Question: I planted a butterfly magnolia tree a couple years ago.  Last year it had one flower at the beginning of the season.  This year it doesn’t have anything and I noticed it has three splits in its trunk. I put fertilizer around it this year but just a day ago. It seems nothing grows read more Why have the magnolia, pine and dogwood trees died on my property?