A 50% tariff on some Brazilian products, including coffee, will begin on August 6, the administration of U.S. President Donald Trump said on Wednesday. The move will challenge commodities traders and Brazilian coffee exporters to find buyers for the roughly 8 million bags sold to U.S. coffee processors every year.

VASSOURAS, Brazil (Reuters) -Coffee growers in Vassouras, in Brazil's Rio de Janeiro state, are hoping for an eleventh-hour reprieve before the country is subject to tariffs of 50% on its exports to the United States.

The tariff has sparked ripples of fear in Brazil, particularly among sectors with deep ties to the American market such as beef, orange juice — and coffee. Minor coffee producers say the import tax will hit their margins and adds to the uncertainty already generated by an increasingly dry and unpredictable climate.