Background Here in WPI's hometown of Washington, D.C., the end of March is a busy time. There are cherry blossoms, warm sunshine and of course college basketball's March Madness. However, for the past few weeks WPI's analysts like grain wonks elsewhere have been intensely focused on what we believe is the biggest event of the month: USDA's 30 March Prospective Plantings report (PPR).As many of you know, the PPR is a survey of farmers across the U.S. Generally, the survey asks farmers what they intend to do this planting season, i.e. what crop(s) they plan on planting, total acreage, etc. Many analytical firms publicize their best "guesses" ahead of USDA's report, so rather than duplicate that exercise we decided to ask our analysts for a m...