All posts by Tyson Raper, Cotton & Small Grains Specialist

Survey on deer damage to row crops, specialty crops, turfgrass, and nurseries

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deerWe are inviting you to participate in a study conducted by University of Tennessee Institute of Agriculture focused on estimating the economic impact of deer damage to row crops, specialty crops, turfgrass, and nurseries. We tried to make the survey only long enough to collect the data we need to measure the economic impact. We are not asking for any personal information.

The findings of this study will be presented to stakeholders and participants in a report and presentations.

To complete the survey, please click on the survey link: https://utk.co1.qualtrics.com/jfe/form/SV_eIIlnfeGcu7HiRw

Thank you and please feel free to contact me if you have any questions.

Chris

Chris Boyer

Professor & Department Head

Department of Agricultural and Resource Economics


2025 Tennessee average cotton yields fall near 860 lb per acre, comments on USDA NASS estimates

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Expansive cotton field under cloudy sky.In this post, I’ll provide data supporting what I have penciled to be an ~860 lb per acre average lint yield for Tennessee.  I’ll also provide a little background on how the USDA NASS numbers are generated and what we can do to make sure these estimates are improved when data is being collected by USDA NASS. Continue reading


Complete 2025 Tennessee Cotton Variety Trial Results now available

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The 2025 Tennessee Cotton Variety Trial Results (PB 1742) publication is now available online.  Included within these results are fourteen large strip trials (CSTs) and six small plot trials (OVTs) testing 40 experimental and commercial varieties.

Cotton field with harvesting machine, 2025 report cover.Special thanks to all of the agents and producers who helped generate this data.  Additionally, thanks to the USDA Classing Office in Memphis for assisting with this effort.  If you have any questions on location response or variety placement, please do not hesitate to reach out directly to your county agent.


2025 University of Tennessee Cotton Variety Testing average tables now available

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Aerial view of cotton harvester in a field.Below you will find three average tables from the 2025 University of Tennessee Cotton Variety Testing Program.  The first link contains the averages from the 40 entries planted at six official variety trial locations.  The second link consists of two tables, the first table containing the averages from 13 XtendFlex varieties planted at eleven county standard trial locations and the second table contains averages from 6 Enlist varieties planted at seven county standard trial locations.  Special thanks to the USDA-AMS Quality Assurance Office in Memphis- I received the last of the quality data from their office this past Saturday.  These average tables are a precursor to the complete report, which will likely be complete later this week.  Continue reading


Cotton defoliation update for October

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Cotton field under cloudy sky landscapeWe are close to the end but a few still have acres left to defoliate.  Others are considering applying another application to remove small amounts of leaf.  Generally, most all of the harvestable bolls are open.  Yields are off, in many areas considerably more than expected.  At this point, we need to consider what we have in the field and what we might gain from another defoliation application.  Most acres loosely break out to either 1,000+ lb per acre  or far less than 1,000 lb per acre.  The approach on these fields should generally be different. In this blog, I make a few comments and give a couple of examples of the best approach to wrap up 2025.

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