nitrogen-based agriculture fertilizers

The Trump administration’s tariff announcements this week are bringing uncertainty to farmers going into planting season. Farm groups warn that retaliatory tariffs will add an additional “burden” to U.S. producers.

Farmers, politicians and agriculture experts are raising alarm about the impact of potential tariffs on Canadian potash, a key mineral needed for fertilizer.

Animal waste and nitrogen-based agricultural fertilizers contribute to nitrate runoff, which ends up in creeks, streams, rain and, eventually, water...