NO! I'd rather not pay rent to the 'manor lord', if you don't mind. I object to the threat of divesting someone of their property if they don't pay the tax (which can be raised arbitrarily at any time--I know, the assessed value of my home has doubled in three years with NO improvements).
(North Dakotans, Vote for Measure 2 June 12th!--eliminate the property tax!)
One of the purposes of the government or the militia is to protect the borders from foreign invasion. This costs money. A person that owns a million acres should pay proportionally to have his million acres protected.
An acreage tax would not be a property tax. Structures would not be taxed, just the acreage.