Corn Yield Forecast Change (and Soybeans)

One Minute Summary Throughout July the difference between our “year-to-date” forecast and the impact of the 14-day weather forecast suggested weather was supporting yield development. The last 5 days have seen this difference decrease.   It’s likely the biggest increases in yields forecasts have already occurred.  However, weather can still impact the final estimates of corn[…]

Historical State Grain Yields

  Causes of Grain Yield Variation There are two primary causes of corn and soybean yield variations at the regional level in the United States.   They are: The Technology Trend – many types of technology is improving yields for both soybeans and corn. The result is an increase of how much crop can be produced[…]

July Precip Impact on Corn Yield Forecast

One Minute Summary Much of the US grain belt experience below normal precipitation in July, 2018 In some important states, such as Illinois, nearly 100% of counties experienced below normal precipitation during July While some locations are definitely being negatively impacted this year, the July precipitation deficit is likely not going to be critical to[…]

US Soybean Yield Forecasts Trending Up

One Minute Summary The CropProphet Soybean yield forecast has been trending upward all season. The national yield forecast has increased 1.3 bu/a over the past 6 weeks. The Iowa trend graphic looks very similar to the national yield forecast trend.   The national yield forecast trend can be accessed via a trial or your subscription to[…]

Impact of June Rain on Iowa Corn Yield

One Minute Summary News stories have recently reported negative impacts from excessive rainfall in northwest Iowa June 2018 will be Iowa’s 7th wettest June in the last 40 years CropProphet quantification of the impact of June rainfall in northwest Iowa reveals yield losses of up to -16 bushels/acre locally.  But this has relatively little impact[…]