"It is totally contrary to the export interest of Argentina," the chamber said on Twitter. "In addition to being illegal, it will affect the income of foreign currency and employment in the agroindustrial chain."
The government statement made no mention of export tariffs though these have long been a point of tension with farmers and exporters. The government, battling high debts, needs the dollar income and tax revenues from soy sales, Argentina's top export.
Argentina's soy oil and meal exports are currently taxed at 31%. The country's 2021/22 soy crop is estimated at between 40 million-42 million tonnes, though was hit hard by drought at the start of the year. Soy traders said the sudden halt in Argentine supplies will steer importers toward the United States and Brazil for replacement supplies.