In the 1970s, the annual erosion loss for hillside vineyards...
In the 1970s, the annual erosion loss for hillside vineyards around here was 14 to 15 tons an acre. Now it's down to 2.5 tons an acre.
In the 1970s, the annual erosion loss for hillside vineyards around here was 14 to 15 tons an acre. Now it's down to 2.5 tons an acre.