Conab reduced its estimate for Brazil's 2014 soybean crop, disappointing the government that had predicted the country would for the first time have a larger crop than the U.S. as well as become the world's largest producer. Big Chinese Soy Purchase Cancellations Trade sources indicate Chinese crushers canceled purchases of about 600,000 MT of South American soybeans this week and are negotiating additional cancellations. These actions are being driven by a soybean glut in China and negative crushing margins. Chinese soymeal demand has been reduced by outbreaks of avian influenza and low pork demand. Most analysts have been expecting China's crushers to cancel purchases of higher-priced U.S. soybeans, but most will apparently be of South...