Amending sandy soil and fertilizing for apples
I will soon be planting apple trees in the Chincoteague, VA area, Zone 7, in very sandy soil was formerly farmed for soybeans or corn. The trees will largely be on their own since I live elsewhere except for periodic pruning fertilizing and crisis watering, if needed. Can you help with these questions:
1. I assume I should be amending the soil when I plant. If I'm correct, what do you suggest I amend with?
2. I want fruit growth but not necessarily perfect fruits. Should I use the spikes to fertilize and if so when? The manure most readily available is chicken manure but I can get horse manure too.
3. Anything else I should be aware of.
Any suggestions would be very appreciated!