Mr. farmer your country needs you! ... food and bullets will win this war ... the country needs you now --- your big crops this year will help win this world war -- your failure to respond to our country's need may help
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Equating farm food production with frontline military ammunition. Telling farmers that bullets and bread win wars together elevates spring plowing to heroic national defense.
Steal this when
When inspiring agricultural workers by framing primary food production as essential military defense.