OSU's Brian Arnall Talks Fertilizing Strategies for Winter Wheat ProducersWed, 18 Aug 2021 13:56:06 CDT
Just in time for Oklahoma wheat growers planting early winter wheat, Oklahoma State University Extension Specialist for Precision Nutrient Management Brian Arnall goes over his wheat fertilization best practices with Radio Oklahoma’s own Chelsea Stanfield.
While prices of Nitrogen and Phosphorus - primary nutrients for growing wheat in Oklahoma - have increased in price, Arnall said Oklahoma wheat growers can deploy nitrification inhibitors, such as SUPERU or, in some cases, skip pre-pant nitrogen application all together.
“We need to move - in a grain-only system - away from pre-plant nitrogen,” Arnall said. “All of our research is indicating the move toward in-season (application).
Arnall said, by waiting to apply nitrogen until after fall rains and even into the spring, Oklahoma wheat growers can get a better idea of the rate needed and apply the correct product. This saves growers time and money, and research shows the strategy almost always results in better yield and quality, he added.
“I’m really comfortable with a two-pass system,” Arnall said. “But I have a lot of research that shows in a lot of environments we can wait all the way until jointing to put all of our nitrogen.”
That way, Oklahoma wheat producers can utilize technology like the GreenSeeker and sensor-based nitrate calculators, to get nitrogen-rate recommendations.
Click or tap the LISTEN BAR below to hear more of Chelsea’s conversation with Brian Arnall, where he explains why these chemicals are so expensive, why the prices aren’t going down anytime soon and hear his tips for the 2021/2022 growing season.
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