RED EARTHCoonawarra, a small and remoted wine region halfway Adelaide and Melbourne, it is known for the terra rossa (red soil). It is a strip of about 15 kilometers long and about 1,5 kilometers wide and has a red iron-rich, fertile top layer in the bottom. Sometimes it is a more then a meter deep, in other places only about 30 centimers. Underneath is a limestone layer where vine roots are not really able to grow, so plowing is a way to help young plants to find their way between the mix of re... | more