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Helping farmers adapt to changing growing conditions

Date:
August 11, 2014
Source:
South Dakota State University
Summary:
Spring rains that delayed planting and a cool summer have farmers concerned about whether their corn will reach maturity before the first frost. Two new online decision-making tools available through the U.S. Department of Agriculture’s Useful to Usable research project will help, according to a state climatologist. Farmers are producing crops under more variable conditions, so these tools can be critical to both food safety and the farmers’ economic survival.

State Climatologist Dennis Todey and climate field specialist Laura Edwards from the Aberdeen Extension office examine the condition of corn at the field station south of Volga.
Credit: Image courtesy of South Dakota State University

Two new online decision-making tools are available to farmers through the U.S. Department of Agriculture's Useful to Usable, or U2U, research project, according to state climatologist and South Dakota State University associate professor Dennis Todey. The project is funded through the Agriculture and Foods Research Initiative.

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Corn Growing Degree Days, or GDDs, will show producers how their crops are developing in lieu of this year's planting delays and a cool summer, explained Todey, who is the South Dakota U2U project director. GDDs are a measure of heat accumulation used to predict plant development rates.

Farmers can choose their location, when the corn was planted and the number of days it takes to reach maturity. The program then assesses current development compared to a 30-year average and projects tasseling and maturity dates, according to Todey. The farmer can then compare that with when the first freeze has occurred during any of the last 30 years.

A second tool, the Climate Patterns Viewer, allows farmers to examine the impact global climate patterns, such as El Niño Southern Oscillation and the Arctic Oscillation, have had on the Corn Belt.

"This is very timely, since we're looking at a pending El Niño," he added. Farmers can track month by month how these oscillations have influenced temperatures, precipitation and subsequently crop yields.

These and other online tools can be found by going to the U2U website at http://www.agclimate4u.org and clicking on the "Decision Dashboard" tab.

Farmers are producing crops under more variable conditions, so these tools can be critical to both food safety and the farmers' economic survival, Todey explained. Two additional tools are under development -- one looking at the impact of inseason nitrogen application and another to help farmers decide whether to invest in an irrigation system.

"The goal of U2U is to develop a dashboard of tools people can use for decision-making not only within the season but also when looking ahead at multiple seasons," said Todey. The project, which is headed by Purdue University, involves researchers from 10 land-grant universities in the Corn Belt.

"U2U capitalizes on the work scientists have been doing on longer-term practices that are better for sustainable corn production," Todey said. Teams of agronomists, sociologists, climatologists and environmental and soil scientists are examining all aspects of the corn production system.


Story Source:

The above story is based on materials provided by South Dakota State University. Note: Materials may be edited for content and length.


Cite This Page:

South Dakota State University. "Helping farmers adapt to changing growing conditions." ScienceDaily. ScienceDaily, 11 August 2014. <www.sciencedaily.com/releases/2014/08/140811132257.htm>.
South Dakota State University. (2014, August 11). Helping farmers adapt to changing growing conditions. ScienceDaily. Retrieved April 21, 2015 from www.sciencedaily.com/releases/2014/08/140811132257.htm
South Dakota State University. "Helping farmers adapt to changing growing conditions." ScienceDaily. www.sciencedaily.com/releases/2014/08/140811132257.htm (accessed April 21, 2015).

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