March 10 (UPI) -- Retaliatory tariffs imposed by China on U.S. farm products took effect Monday. The Chinese tariffs are a 15% levy on American products such as corn, wheat and chicken, and 10% on fruit, soybeans, beef and pork. China has also announced it would block 15 American companies from purchasing Chinese products unless it granted them special permission. Another 10 U.S. companies have been blocked from doing business in China altogether. Beijing also said levies would be placed on

Tag-uri: Agricultura