News Analysis Many American farmers have been struggling to get their fertilizer and herbicide supplies ready to sow their fields. Even if they can get them, they’re at exorbitant prices. Count in diesel at record highs and there’s a recipe for trouble. If Americans grumble about high grocery prices now, they can brace for even more pain up ahead. A significant part of the problem stems from dependency on the interconnected global market—particularly China, but also Russia. At current prices, farmers are looking to get about $900 per acre of corn, depending on the yield. That’s up from about $600 in early 2020. In 2020, they paid about $120 to fertilize an acre of corn. Last year, it was perhaps 50 percent more than that and this year it may be up another 80 percent. That means farmers may still lose money, despite getting paid more for their crop. And …