There is nothing to "believe" about Fresh Earth spray........open the bottle and smell it for yourself........it smells like dirt
Then how about proving the deer can not smell the chemical makeup of said "dirt smell" in a bottle?
The scent absorption properties (and multiple other uses) of sodium bicarb have been proven for decades by science.
Did the deer tell you they can not smell other odors that baking soda can not pull out?
LT