Impact of September Rain on Corn Yields

Impact of September Rain on Corn Yields September has begun with heavy precipitation falling in parts of the key corn growing state of Iowa.  This has raised concerns on whether this could detrimentally impact corn yield.   In order to quantify the potential impacts, we can examine historical CropProphet databases and end of season yields to[…]

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[…]

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[…]

Is Another 2012 Drought On The Way?

Will Another 2012 Drought Emerge? – Implications for Corn Production One Minute Summary There is emerging market speculation that recent hot, dry weather may presage a summer drought like 2012 However, soil moisture is currently much higher than at this time in 2012 Pacific Ocean climate influences do not favor a drought this summer CropProphet[…]