Wow! Thanks for all of the tips, Jim. I knew the calcium and magnesium are "locked up" and hoping some sulfated amendments will lower the pH just enough to start releasing them. Funny about the manganese and exposives - DH was asking me if I was making a bomb. I think I will have to start eating more melon!
Only when the last tree has died and the last river has been poisoned and the last fish has been caught will we realize that we can't eat money. Cree proverb