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Category Posts for Roberts, Trent

29
May
2015
Arkansas Rice Update 5-29-15
Author: Jarrod Hardke, Rice Extension Agronomist

May 29, 2015                             No. 2015-14 Dr. Jarrod Hardke and Dr. Trent Roberts Crop Progress Yogi Berra would say this year is déjà vu all over again.  Here we find ourselves at the end of May with plenty of rice ready to go to flood.  Once again rice is nearing the end of the nitrogen application window […]

22
May
2015
Managing Ammonia Volatilization Losses from Urea in Less than Ideal Conditions
Author: Trenton Roberts, Research Assistant Professor, Crop, Soil & Environmental Sciences

It’s that time of year again. Time to apply sidedress N to corn and grain sorghum and apply preflood N in rice. Unfortunately the weather has not been as cooperative this year as many of us would have liked, but there is still time to make the best out of a bad situation. If the […]

30
Mar
2015
N-STaR Frequently Asked Questions
Author: Trenton Roberts, Research Assistant Professor, Crop, Soil & Environmental Sciences

Dr. Trent Roberts, Extension Soil Fertility Dr. Jarrod Hardke, Rice Extension Agronomist In an effort to respond to growing interest in the N-STaR program for rice, here are the answers to some frequently asked questions about N-STaR.  If you have additional questions, please contact us for more information. 1.     What does N-STaR measure? N-STaR soil […]

20
Feb
2015
Cover Crop Workshop March 12th at Rice Research and Extension Center
Author: Trenton Roberts, Research Assistant Professor, Crop, Soil & Environmental Sciences

Make plans to attend the University of Arkansas Cover Crops Workshop set for March 12th at the Rice Research and Extension Center near Stuttgart, AR. Attendance is free and lunch will be provided. CEU’s will be offered including 1.5 hours of Crop Management, 0.5 of Pest Management and 2.0 hours of Soil and Water credits.  […]

31
Oct
2014
Arkansas Rice Update 10-31-14
Author: Jarrod Hardke, Rice Extension Agronomist

October 31, 2014                       No. 2014-30 Dr. Jarrod Hardke, Dr. Trent Roberts, & Scott Stiles Harvest Summary The end is near or is it here?  Harvested acreage numbers on Monday were 95% so we’re right there.  Overall a difficult year that most are glad to see in the rearview mirror.  There’s not a lot of time […]

16
May
2014
Arkansas Rice Update 5-16-14
Author: Jarrod Hardke, Rice Extension Agronomist

May 16, 2014                             No. 2014-10 Dr. Jarrod Hardke, Dr. Trent Roberts, and Dr. Yeshi Wamishe Crop Progress And the roller coaster weather continues.  We find ourselves back down into the 70s for a few days before we get back into the 80s and possibly hit 90 next week.  If you still have rice left to […]

15
May
2014
Determining Preflood Nitrogen Rates for Rice
Author: Trenton Roberts, Research Assistant Professor, Crop, Soil & Environmental Sciences

It is that time of year to start thinking about applying preflood nitrogen (N) to rice. If your rice has been planted recently or has recently emerged I would encourage you to consider taking N-STaR (Nitrogen Soil Test for Rice) soil samples to determine your season total N rate as well as your preflood N […]

01
May
2014
Arkansas Rice Update 5-1-14
Author: Jarrod Hardke, Rice Extension Agronomist

May 1, 2014                                 No. 2014-8 Dr. Jarrod Hardke, Dr. Trent Roberts, Dr. Bob Scott, and Scott Stiles Planting Progress “It’s a boat!  It’s a plane!  No, it’s just someone trying to plant rice…” If 2010 and 2012 are the only recent years you can remember, then you probably feel like you’re way behind this year.  […]

18
Oct
2013
Fall Nitrogen Recommendations for Winter Wheat
Author: Trenton Roberts, Research Assistant Professor, Crop, Soil & Environmental Sciences

Fall-seeded wheat generally does not require N fertilizer for establishment. Fall-applied N or preplant N can aid in the establishment of wheat under specific planting conditions and crop rotations, but should be managed on a case-by-case basis. Previous research has suggested the need for fall-applied N to help compensate for the large amount of crop […]

30
Sep
2013
Preplant P and K Considerations for Winter Wheat
Author: Trenton Roberts, Research Assistant Professor, Crop, Soil & Environmental Sciences

Winter wheat planting is quickly approaching and considerations for preplant P and K applications should be made according to soil-test results and the intended summer rotation. The majority of wheat in Arkansas is double-cropped with soybean and therefore guidelines have been developed that allow producers to apply all of their P and K for both […]