The calendar says it’s time for spring field activity in Ohio and farmers are eager to prep fields and plant this year’s crops. However, average temperatures across Ohio have remained cooler than usual with the previous 30-day period (March 16 – April 15, 2018) running 2 to 6 degrees Fahrenheit below normal (based on 1981-2010). Combined with precipitation up to twice the normal amount in some areas, the weather is certainly not cooperating with ideas of an early jump on planting.
Late last week, Ohio experienced a strong warm up in air temperatures, which definitely warmed the first few inches of the soil surface (see “OARDC Branch Station Two Inch Soil Temperatures by Greg LaBarge). But how do the present conditions compare with the long-term mean? Figure 1 shows two-inch soil temperatures (Fahrenheit) for selected OARDC Weather System (http://www.oardc.ohio-state.edu/weather1/) stations from around Ohio. These soil temperatures are based on the weekly average for April 9-15, 2018.… Continue reading