Ground LevelTo make a rough ground level, take a piece of board about 12 inches square and perfectly level, and fix same to a leg or peg from a piece of timber about 3feet 6 inches to 4 foot long, with a cross piece exactly 3 feet or 3 feet 6 inches from the top. This will then ensure your sight is even if the stand is always driven to cross piece. Lay a spirit level on top and make dead level across corners. When this is done sight along your spirit level to your staff, which should be marked plainly in feet and inches (or cms) up to about six feet.
Wherever your line of sight hits the staff you of course would have to allow the height of your sight board and level. go from Ground Level back to Farming Tips
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