What part of the Populist Party platform directly addressed low prices that were hurting farmers?

The part that directly addressed low prices that were damaging farmers were the dangers of an inadequate monetary supply.

The Populist Party was a group of Democrats with an advocate of Democratic Principles that began in 1892.

They were formed as a single group, grouping with the Knights of Labor and the Farmer's Alliance. They defended the public ownership of railroads, telephone lines, etc. Their goals were focused on the interests of the people, especially the farmers.