
Richard Roth, PhD
@DrRichardRoth
Followers
980
Following
210
Media
23
Statuses
280
Assistant Professor of Nitrogen Science, Education, and Management | Department of Agronomy | Iowa State University | Tweets are my own
Joined June 2019
Register now for the 2025 NUE Workshop held Aug. 4-6 in Ames. See website below for details. excellent opportunity for anybody involved in ag and interested in nitrogen management. Happy to answer any questions people may have.
regcytes.extension.iastate.edu
Dates: August 4th – 6th, 2025 Location: Iowa State University Alumni Center429 Alumni Ln, Ames, IA. 50011 Cost: The event is free for participants, with the exception of travel and hotel expenses...
1
0
2
RT @DrRichardRoth: Graduate students planning to attend the NUE Workshop, check out the poster competition: and the….
regcytes.extension.iastate.edu
NUE Workshop Hackathon 2025 – Graduate Student Team Competition Overview Optimizing nitrogen (N) fertilizer rates and plant population density remains a major challenge in corn production. These two...
0
1
0
RT @DrRichardRoth: The 2025 NUE Workshop will be held in Ames Aug. 4-6. Details can be found on the event website: .
regcytes.extension.iastate.edu
Dates: August 4th – 6th, 2025 Location: Iowa State University Alumni Center429 Alumni Ln, Ames, IA. 50011 Cost: The event is free for participants, with the exception of travel and hotel expenses...
0
2
0
Graduate students planning to attend the NUE Workshop, check out the poster competition: and the hackathon competition: The Information meeting for the Hackathon will be July 23 at 10am Central, so register now.
regcytes.extension.iastate.edu
NUE Workshop Hackathon 2025 – Graduate Student Team Competition Overview Optimizing nitrogen (N) fertilizer rates and plant population density remains a major challenge in corn production. These two...
0
1
2
The 2025 NUE Workshop will be held in Ames Aug. 4-6. Details can be found on the event website: There is no registration fee thanks to our sponsors. Come network and hear about some of the research being conducted through the country related to nitrogen.
regcytes.extension.iastate.edu
Dates: August 4th – 6th, 2025 Location: Iowa State University Alumni Center429 Alumni Ln, Ames, IA. 50011 Cost: The event is free for participants, with the exception of travel and hotel expenses...
1
2
4
Tomorrow is the final day to apply for the Event and Industry Coordinator position with the @ISUFieldLab. Don't miss out on the opportunity to apply for this position which is vital to advancing FEEL's mission of providing hands-on agricultural education and outreach!.
The @ISUFieldLab is hiring an Event and Industry Coordinator/Facility Manager to oversee event planning, industry engagement, and facility operations. See info and submit applications using the link below. Position is not eligible for via sponsorship.
0
1
5
Today is the final opportunity for anybody interested in applying for the research scientist position with my lab at Iowa State. The posting will close tonight at midnight.
Come join my nutrient management team at ISU as a research Scientist I. All information can be found, and applications submitted using the link below. Unfortunately, this position is not eligible for visa sponsorship.
0
0
2
For anyone interested in this research scientist position with my lab at ISU, applications will be accepted until Thursday, April 10. Come join a dynamic team focused on nutrient management in Midwestern cropping systems!.
Come join my nutrient management team at ISU as a research Scientist I. All information can be found, and applications submitted using the link below. Unfortunately, this position is not eligible for visa sponsorship.
0
1
7
The @ISUFieldLab is hiring an Event and Industry Coordinator/Facility Manager to oversee event planning, industry engagement, and facility operations. See info and submit applications using the link below. Position is not eligible for via sponsorship.
0
3
2
Thanks for having me in Mason City. Starting my individual session in a couple minutes. I love my job. #ISUcrops #Extension
Thanks to our panel @erinwhodgson @DrRichardRoth @IAStateWeedSci, Chad Hart and Eric Weuve for the great discussion on management tactics for crop production costs at the Mason City Crop Advantage. #isucrops. @TerryBasol @GentrySorenson
0
0
14
Had fun presenting at #ICMConference today. If you missed it, you can catch me at one of the 10 Crop Advantage Series meetings I’ll be at in January.
Thanks @DrRichardRoth for your #ICMConference on nitrification inhibitors. - They are not all created equal, some perform better but all do provide something. - They are NOT a replacement for making sure we are following BMPs.
0
0
7
Excellent read from @ClaytonJNevins as he reflects on @dennistodey's climate message from the Farm Progress Show with some thoughts on managing nitrogen as we continue to experience greater weather volatility.
linkedin.com
Clayton Nevins, PhD There is no doubt that we are experiencing an increase in weather volatility and extreme weather events across the United States. This year, growers in the Midwest experienced...
0
0
5
RT @SoybeanScience1: Green stem in #soybeans can severely reduce harvest efficiency. Read more about the causes and management practices in….
0
24
0
RT @CoverCropDr: Farmer Participation Needed to Answer a Critical Question! .@PurdueAgronomy. @PurdueAg.@PurdueExt….
0
6
0
RT @jjmichel_crops: Couldn’t have asked for better weather yesterday for a field day at the Southeast Research Farm. Thanks @erinwhodgson….
0
1
0
Working to understand optimal seeding dates for different clover species here in Iowa @IowaSoybeans @iowa_corn.
Clover Seeding Date Study in IN, IL, and IA. SEND and Roth Labs on the move!.Stay tuned for the results. @DrRichardRoth @ncrsare @IllinoisNrec @grasslandJerry @PurdueAg @PurdueAgronomy @GOSEEDCO @ILSoybean @ILFarmBureau @INCornFarmers @iastate_cals @AgScienceGuy
0
1
12
RT @SoybeanScience1: Protecting and maintaining the leaf area is crucial during the seed set stage of #soybean development. @MarkLicht ex….
0
6
0
RT @rkvittetoe: We’ve got @DrRichardRoth joining us for our Fall Field Day on Sept. 5 along with @castellmj and @melmil321 w/ the Iowa Nitr….
0
5
0