>>20149018
roughly 17.5 square feet per panel.
20grams per 17.5 square feet
893,400,000 acres of farmland. times 43560 sqaure feet per acre
38,916,504,000,000 sqaure feet of farmlandโฆ
You'd need 222,380,022,857 grams which equals 7,844,224,464.60464001 ounces? to cover 1/10 the farmland? I'm sure that math is fucked but you get the point.
3 billion ounces in the world.
So you'd need double all the silver in the world to cover 1/10th the farmland in the US. Again I'm sure this math is probably wrong somewhere but I'm not going to do a spreadsheet for this.