Chinese buyers bought between 400,000 and 500,000 metric tons of wheat from Australia and Canada in recent weeks, traders said, as heat threatens to damage crops in China's agricultural heartlands.

Few prices changes in May, but declines to come this summer
Most fields still have good soil moisture
Market could tumble with sudden influx
Canola drops back March to March
C$3 to C$5/tonne weekly increases reported
But year-to-date exports nearly 7.40 million tonnes
Cold snap halts spring seeding
Expect slow spring, summer