Anyone willing to share they knowledge of GRAPE VINE or PECAN TREES care?

If someone has cared for or still cares for the above plant(s) I would appreciate some advice. I have the books on Grape Vine care at least, but I'm afraid I am going to mess something up when I prune them. Would appreciate some advice suggestions and tips. I have 4 different grape vines - concord, flame, white and something else, plus I have 2-3 muscidons or scuppernongs (not sure which).
I also have at a guess a 20 year old pecan tree. And I go on the record as saying it is CAN as in trash CAN. Not CAN but sounds like con as in CONgress. There are many ways to say it and I"m ok with however anyone says it (as long as they know they are saying it wrong ( if they are.) Any advice on caring for this tree? I know to give it 4 pound of fertilizer for ever 1 inch in diameter measured 3-4 feet above the ground. I know it need ZnS03or4. And that is the extent of my pecan knowledge.
Thanks
Ron_Cliborn
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after spending most of my youth living in a pecan field in south Georgia,I think the best way to take care of a pecan tree is with a chainsaw.
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