UACES Facebook Arkansas rice still on track despite storms, difficult spring
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Arkansas rice still on track despite storms, difficult spring

By Ryan McGeeney
U of A System Division of Agriculture
June 11, 2018 

Fast Facts:

  • 99 percent of 2018 rice already emerged
  • Cold April, hot May made for difficult herbicide, fertilization applications 

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LITTLE ROCK – As the nation’s No. 1 rice producer, Arkansas can have an outsized effect on U.S. rice production one year to the next, depending on fates largely tied to the weather. And 2018 is shaping up to be anything but simple — or predictable.

“The rice crop looks great at the moment, but it’s been a difficult season,” said Jarrod Hardke, extension rice agronomist for the University of Arkansas System Division of Agriculture. “One of the coldest Aprils on record followed by the hottest May on record has a lot to do with it.”

As of last week, nearly 100 percent of planned rice acreage throughout the state had already emerged, with growers rating 70 percent of the crop as being in “good” or “excellent” condition, according to a June 4 report from the U.S. Department of Agriculture’s National Agricultural Statistics Service.

But cool weather and rain in April hindered the application — and likely the effectiveness — of herbicides, which may have consequences later in the season, Hardke said.’

“Emergence on early planted rice was extremely delayed by the cold April weather and so we didn’t benefit much from early residual herbicide applications,” he said. “Once we got to May and things warmed up and dried out, they stayed dry and our herbicides didn’t work very well again. Many acres also needed to be flushed to relieve the drought stress conditions and to activate residual herbicides.”

Sporadic rains also interfered with the crop’s ideal fertilization window, leaving growers to try to “play catch-up” during a recent window of dry weather.

The June 2 storm that impacted several areas throughout northeastern Arkansas, particularly St, Francis County between Colt and Forest City, appears to have done relatively little damage to rice growers, although a full assessment of crop damage is incomplete.

“The area that was most impacted was relatively small,” Hardke said. “I know there were some levee issues, but it was a smaller scale and a not all rice in the area has gone to flood yet.” 

Hardke said the recent high heat, dry conditions and variable winds have also resulted in some reports of off-target herbicide drift. 

One measure of the extremity of the 2018 season is the DD50 program, which measures days during which the temperature rises about 50 degrees Fahrenheit to predict the growth of rice. 

“In April, we accumulated the fewest DD50 units in the past 30 years. In May we accumulated the most DD50 units in the past 30 years,” Hardke said.  

“Quite a swing. What a season,” he said. “And we’re not even halfway through.” 

To learn about row crops in Arkansas, contact your local Cooperative Extension Service agent or visit www.uaex.edu

 

About the Division of Agriculture

The University of Arkansas System Division of Agriculture’s mission is to strengthen agriculture, communities, and families by connecting trusted research to the adoption of best practices. Through the Agricultural Experiment Station and the Cooperative Extension Service, the Division of Agriculture conducts research and extension work within the nation’s historic land grant education system.  

The Division of Agriculture is one of 20 entities within the University of Arkansas System. It has offices in all 75 counties in Arkansas and faculty on five system campuses.   

The University of Arkansas System Division of Agriculture offers all its Extension and Research programs to all eligible persons without regard to race, color, sex, gender identity, sexual orientation, national origin, religion, age, disability, marital or veteran status, genetic information, or any other legally protected status, and is an Affirmative Action/Equal Opportunity Employer.

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Media Contact: Ryan McGeeney
Communication Services
U of A System Division of Agriculture
Cooperative Extension Service
(501) 671-2120
rmcgeeney@uaex.edu

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