My father-in-law grows seed wheat (seed for other farmers to plant to grow wheat). He's been in this business for quite a while, my wife has childhood memories of him cleaning seed out of the back of a pickup.
During harvest, special care is taken between different fields to prevent "variety contamination", which is essentially getting one variety of wheat seed in a bin labelled for another variety. One of the nastiest jobs in this care is cleaning every bit of grain out of Combine, in the June Kansas heat.
Wheat harvest is typically a two-week window in the latter half of June. You're under a time crunch to get as much wheat off of the field and into the bins (or delivered to co-op) as fast as possible. Too early and it's too green, too late and the wheat is "shattering" (cracking itself open and spilling onto the ground). Add wind and humidity (or lack thereof) to the equation to really make a stressful situation.
Two rules: stand upwind use your head
I'd like to see Mike out there busting the dust on a combine, I think he could present the world a new respect for the farmer.
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