But for the federal government and US constitution and laws thereof, your farmer has no property rights, no farmland, no apples to sell.
You libertarians occupy a fantasyland where rules, infrastructure and life in general come ready made and are at your disposal for exploitation. You stand on the shoulders of others...of the efforts of others. You are no island. Start showing a little goddam gratitude to the people that made your lifestyle possible.
Article I, Section 8, states:
"The Congress shall have power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defense and general welfare of the United States."
And the 16th Amendment states:
"The Congress shall have power to lay and collect taxes on incomes, from whatever source derived, without apportionment among the several States, and without regard to any census or enumeration."