The eve of another important report from USDA, namely tomorrow’s 1 September quarterly stocks plus the final small grain production summaries, presents a good time to comment on a few analytical odds and ends of late.The eve of another important report from USDA, namely tomorrow’s 1 September quarterly stocks plus the final small grain production summaries, presents a good time to comment on a few analytical odds and ends that seem to have piled up recently.

First of all, there is Friday’s report itself. The consensus opinion is that USDA will increase U.S. all wheat production very slightly to a final estimate of 2.326 billion bushels from August’s 2.321 billion bushels. It will also likely adjust production estimates for barley and oat...