When Chris Campbell, Franklin, pulls in to unload a semi load of corn, he always does one thing before the first kernel of corn leaves the truck. He pulls onto the scales and records weights. Because the scales are shorter than the full semi, he gets a front weight and a back weight each time.
A digital light display in red mounted on a utility pole about 20 feet from where he dumps lets him record weights without getting out of the truck to check the weight inside, getting back in, pulling up, and checking the back weight. As long as lightning stays away, the device works and is accurate, he notes, adding it certainly saves a lot of steps.
He records the weights on a paper version of a spreadsheet on a clipboard that stays in each truck during the day. Each night the numbers are entered into a computer program that keeps track of all grain harvested. That way, he knows what came out of every field.
While the truck is unloading, he also catches a moisture sample, usually from both the front and rear of the truck. He also has access to equipment to check test weight in the scales house near the grain bins.
With every load being weighed, there is virtually no chance for a memory lapse or error that might leave one wondering just how much corn came into the bins system from which field. He notes that when he hauls out, he compares to what he haul. The difference is well under 1%, based on past experience.Some use these scale weights to keep track of which landowner is due how much crop if they operate on 50-50 leases. Others use it to gauge when bins should be about full, or how much room they should have left. Campbell knows he just feels more comfortable with every load weighs, so he has accurate yield information. It's a doublecheck on the yield monitor in the combine as well for many people.