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By Ryan McGeeney U of A System Division of AgricultureOct. 14, 2016
LAWRENCE COUNTY, ARK. — As Mike Andrews and Herb Ginn, agricultural agents for the
Randolph and Lawrence County Cooperative Extension Service offices, respectively,
clawed their way through bundles of harvested peanuts Wednesday morning, they admitted
the work was not especially easy.
“You’re welcome to give it a shot,” Ginn laughed. “We won’t even charge you for the
The two agents, along with a member of the Natural Resources Conservation Service
were elbow deep in harvesting peanuts from a gypsum and irrigation peanut demonstration
plot in Randolph County, research projects now both in their second year, designed
to identify best management practices in irrigation, fertilization and other aspects
key to successful peanut growing in Arkansas.
Growers throughout the state planted about 22,500 acres of peanuts in Arkansas, a
state record that exceeded the previous high of about 18,500 acres in 2012. Arkansas
farmers also planted about 4,000 acres of peanuts on land across the Missouri border
Gypsum use in other peanut growing states has shown to positively influence yield
and grade of peanuts as shown by research, Andrews said.
“Hopefully through the gypsum demonstrations we can gain valuable information that
will help our producers improve their bottom line,” he said.
As with many crops, successfully growing peanuts requires a high-wire balancing act
between too little moisture and too much. While peanuts aren’t as susceptible to weather
events as perhaps rice or corn, the plants must receive enough water to induce the
plants to send “pegs” into the soil where the peanut itself develops, but not so much
that the soil saturates and hosts disease.
“They’re not a heavy user of irrigation like rice or corn,” Andrews said. “They just
need timely moisture so that the plant will bloom and send a peg down into the soil,
where the peanut is formed. If we don’t have moisture, a lot of times the pegs don’t
survive, and it affects the number of peanuts. Since the peanuts are grown underground,
a lot of water will cause pod rot on the peanuts — we’re seeing more of that this
Christopher Henry, an assistant professor and water management engineer for the University
of Arkansas System Division of Agriculture, said most peanuts throughout the world
are irrigated using center-pivot sprinkler irrigation; Arkansas and Georgia are the
“People growing peanuts in Arkansas don’t have center pivots, and they’re not going
to convert to center-pivot irrigation,” Henry said. “They’re growing rice, corn, cotton
and other crops — so they either furrow irrigate them, or they grow something else.
And they want to grow peanuts into the rotation.”
Henry said that although Arkansas has only recently come to be thought of as a major
peanut-producing state, major peanut buyers including Bird Song and Golden Peanut
have reacted positively to the overall quality of Arkansas peanuts.
By using moisture sensors, flow meters and other monitoring equipment throughout the
demonstration plots, Henry and other researchers are working towards establishing
reliable recommendations for Arkansas peanut growers throughout the region. Although
the project is only in its second year, Henry said initial recommendations for irrigation
and fertilization have already increased participating growers’ per-acre profit margins
by reducing water expenditures and increasing yields.
To learn more about furrow irrigation research in Arkansas crops, contact your local
cooperative extension service agent, or visit www.uaex.uada.edu.
The University of Arkansas System Division of Agriculture offers all its Extension
and Research programs and services 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.
# # #
Media Contact: Mary HightowerDir. of Communication ServicesU of A Division of AgricultureCooperative Extension Service(501) email@example.com