This is the VOA Special English Agriculture Report.

Valentine's Day, February fourteenth, is one of the biggest days of the year for lovers of chocolate. Americans are expected to spend more than one billion dollars on chocolates and other candies for their sweethearts this holiday.

But the chocolate industry worries that prices for its sweets could rise in the years ahead. Susan Smith is a spokeswoman for the National Confectioners Association, a trade group for the candy, chocolate and gum industries.