MOSCOW--Russian President Vladimir Putin has signed a decree imposing limits or bans on a range of agricultural and food products, as well as raw materials, from countries that have imposed sanctions on Russia, the Kremlin said in a statement Wednesday.

The order lasts one year, according to the Kremlin statement, which didn't spell out the specific goods or countries that will face limits or bans.

It said the list could be adjusted to prevent market imbalances or price spikes. The U.S. and European Union, as well as Canada, Australia and Japan, have imposed sanctions on Russia over the Ukraine crisis and the Kremlin vowed to respond.

Russia is a major importer of agricultural and food products from Europe and other western countries. Earlier Wednesday, government regulators said they have agreed to substantially expand agricultural imports from Brazil, a country that hasn't joined sanctions against Moscow.

Write to Greg White at greg.white@wsj.com

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August 06, 2014 12:25 ET (16:25 GMT)

Copyright (c) 2014 Dow Jones & Company, Inc.