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2016-02-29T00:00:00.000Z

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Wrong Jim Dunphy?

Dr. Jim Dunphy

Extension Soybean Specialist

North Carolina State University

Direct Phone: (919) ***-****       

Email: j***@***.edu

North Carolina State University

Campus Box 7013

Raleigh, North Carolina 27695

United States

Company Description

The mission of North Carolina State University is to serve its students and the people of North Carolina as a doctoral/research-extensive, land-grant university. Through the active integration of teaching, research, extension, and engagement, North Caroli ... more

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Background Information

Employment History

Contest Administrator and Soybean Specialist In the Crop Sciences Department
North Carolina State University

Affiliations

Advisor
North Carolina State University

Web References (90 Total References)


Jim Dunphy calls last year's ...

southeastfarmpress.com [cached]

Jim Dunphy calls last year's study on maximizing dryland soybean yields "the Cadillac Treatment" because he took steps to achieve as high a yielding situation as possible.

"The first thing we did was go to a variety that does well in a high yielding environment," Dunphy said at the North Carolina Commodities Conference in Durham Jan. 15, where he released the results of the test. Dunphy is the North Carolina State University Extension soybean specialist.
For the study, Dunphy selected the two highest yielding Group V varieties and the two highest yielding Group VI varieties, varieties that perform well in a 60 bushel per acre yield environment. The varieties he planted in 2015 were Southern States' SS 5511 N R2, Dyna-Gro's 32RY55, UniSouth Genetics' USG 76S 73R and Syngenta's S76-R6.
...
The goal was to plant the four varieties from as early as mid-April to as late as mid-May, but Dunphy said, "the weatherman didn't let us do that. We planted one of them in early May; we planted two of them in late May and one of them the first day in June."
Dunphy said the varieties were planted in 15 inch rows at relatively low population rates, 90,000 to 120,000 seeds per acre. "That was on purpose," he said.
...
Potassium was also applied because Dunphy explains that potassium is needed for the soybean plants to better utilize nitrogen. Fungicides were also used.
His "Cadillac" yields ended up being 54 bushels per acre in Beaufort County, 52.5 bushels per acre in Pender County, 53.3 bushels per acre in Sampson County and 79.5 bushels per acre in Surry County.
Dunphy said an important lesson learned was the importance of fungicides. The three he used were Topguard, Quadris Top and Priaxor. Looking at all four sites, Dunphy said the research shows that fungicides are worth the money spent. "When we put all four sites together, we got a response to fungicides," he said. "None of those three gave us a significant response at all four locations; neither did any of them fail."
Dunphy stressed that fungicide timing is critical. And that has always been a challenge.


April 2001

www.ncsoy.org [cached]

"This year's crop had probably the best growing season in quite some time," remarked James Dunphy, contest administrator and soybean specialist in the Crop Sciences Department at NCSU."Unfortunately, market prices are low thus denying growers the opportunity to recoup some of their losses suffered from weather-related conditions of the past two years," he added.

...
"The aphids are yellow and colonize in clusters on soybean leaves," said Dr. Jim Dunphy, Extension soybean specialist at NC State University."Apparently the aphid does not kill the plant but may reduce yield potential in the mid-western states where it has been identified.Also, it may not be a threat in our area because we do not have the buckthorn weed as an alternate host for winter survival," Dunphy added.


Jim Dunphy, Extension ...

southeastfarmpress.com [cached]

Jim Dunphy, Extension soybean specialist at North Carolina State University, is optimistic the state will soon reach that magic number.


Jim Dunphy, North ...

southeastfarmpress.com [cached]

Jim Dunphy, North Carolina State University Extension soybean specialist, discusses his maximum yield dryland soybean research with Steve Barnes, a Washington County crops consultant.

...
Dunphy is conducting a maximum yield soybean trial at Haslin Farms. He is examining the benefits of non-foliar yield enhancements, in furrow enhancements and seed treatments. He said seed treatments have a place in improving soybean yields.
...
Jim Dunphy, North Carolina State University Extension soybean specialist, is conducting a maximum yield dryland soybean trial at Haslin Farms where he is examining the benefits of non-foliar yield enhancements, in furrow enhancements and seed treatments. In his comments at the field day, Dunphy said seed treatments do have a place in increasing soybean yields.


Jim Dunphy, the state's ...

southeastfarmpress.com [cached]

Jim Dunphy, the state's Extension soybean specialist at North Carolina State University, is optimistic the state will soon reach that magic number.... More

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