Trump administration says plan to aid struggling farmers may come as soon as this week. 

Tariffs and geopolitical conflicts have unraveled global supply chains, raising the cost of fertilizer and other farm inputs while also causing shipping delays and other bottlenecks.

Meanwhile, U.S. crop prices continue to be pressured by retaliatory tariffs and China’s refusal to purchase soybeans from the United States, a panel of speakers said last week at the Chicago Federal Reserve’s annual Midwest Agriculture Conference. 

“Farmers are used to...