2024 eUpdate Archive


October 2024

1023  October 3rd, 2024    

Planting cereal rye after corn harvest cover crops cereal rye weed management 
Rate of dry down in sorghum before harvest grain sorghum sorghum crop development dry down 
Fall soil testing of hayfields and pastures soil testing pastures hayfields soil fertility fall soil sampling 
Corn stunt spiroplasma: A new threat to Kansas corn disease corn stunt corn leafhopper corn spiroplasma 
Kansas Bankers Association Conservation Awards Program: Nominations due Nov. 8 conservation award KBA 

September 2024

1022  September 26th, 2024    

Considerations when planting wheat into dry soil wheat planting dry soils Drought 
Control annual weeds with fall-applied herbicides ahead of corn and sorghum weed control herbicides annual weeds fall-applied herbicides 
Get control of fall-emerged marestail before next spring weed control marestail herbicide resistance horseweed 
Musk thistle control in the fall weed control musk thistle noxious weed 
Survey of integrated weed management practices used by Kansas producers soybeans survey weed management 

1021  September 19th, 2024    

Wheat planting: Tips for good stand establishment wheat planting stand establishment 
Alfalfa management options for short or drought-stressed stands alfalfa Drought forage short stands 
Small grain forage options for this fall fall forage forage small grains 
Harvest aid application decisions in cotton cotton harvest aid 
Weed management practices: Fall scouting and equipment cleaning weed control scouting weed management crop scouting equipment 
World of Weeds: Longspine sandbur World of Weeds sandbur 
Fall frost and freeze: Not yet, but not far off weather climate first frost first freeze 
Survey of integrated weed management practices used by Kansas soybean producers soybeans survey weed management 

1020  September 12th, 2024    

Soybean seed filling and dry down rate before harvest soybeans drydown 
Grain sorghum yield potential: An on-farm calculation sorghum grain sorghum yield potential 
Grain sorghum yield potential: Understanding the main yield components yield potential sorghum grain sorghum yield components 
Test forages to prevent nitrate and prussic acid poisoning sorghum cattle grazing prussic acid forages nitrate toxicity sudan 
Seed treatment fungicides for wheat disease management  wheat seed treatment disease management fungicides 
Emergency measures to control wind erosion soil conservation erosion high winds soil erosion wind erosion emergency tillage 
Grasshoppers are abundant in many areas of Kansas wheat alfalfa insects grasshoppers 
Late-planted soybeans may be at risk for insect damage soybeans insects bean leaf beetles pod worms 
Update on fall armyworms and armyworms  wheat bromegrass armyworms fall armyworms 
Self-guided tours of herbicide evaluation plots are open near Manhattan soybeans corn weed control herbicides plots 

1019  September 5th, 2024    

Wheat planting: Be cautious of planting too early wheat dual purpose optimum planting dates pest management early planting 
In-furrow fertilizers for wheat production wheat starter fertilizer phosphorus soil fertility in-furrow 
Update on fall armyworms in Kansas insects pastures alfalfa fall armyworms 
Alfalfa management: Deciding on the last cutting this fall alfalfa last cutting 
Normal temperatures are falling in Kansas - It's all downhill from here weather Climate fall weather temperatures 

August 2024

1018  August 29th, 2024    

Low levels of corn stunt disease have been confirmed in Kansas corn disease corn stunt corn leafhopper 
Winter canola planting considerations planting canola winter canola 
Winter canola management considerations planting canola winter canola 
Planting winter canola? Be aware of rotation restrictions with herbicides label requirements canola winter canola herbicide carryover 
Update on the registration of over-the-top dicamba products soybeans dicamba label requirements cotton herbicide application EPA 
Conduct soil bioassays to determine herbicide carryover potential herbicide carryover soil bioassays 
K-State survey of cotton grower perspectives survey cotton 
Using drone technology in agriculture - Sept. 10 in Garnett, KS Field Day meeting drones 

1017  August 22nd, 2024    

Soybean yield potential estimation soybeans yield potential yield estimates 
Strategic tillage in long-term no-tillage systems no-tillage strategic tillage herbicide resistance soil properties tillage 
Occasional tillage strategies in dryland cropping systems no-tillage dryland tillage occasional tillage 
World of Weeds: Snow-on-the-mountain weeds weed control World of Weeds snow on the mountain 

1016  August 15th, 2024    

Final irrigation of the growing season - Timing is everything dryland soil moisture irrigation 
Cereal rye control in wheat wheat weed control cereal rye 
Sorghum (sugarcane) aphids: A declining threat in Kansas insects grain sorghum sugarcane aphid sorghum aphid 
Kansas Wheat Variety Guide 2024 is now available  wheat publication variety selection disease resistance 
Introducing the new Kansas State Climatologist website weather Climate website 
2024 Kansas Soybean Yield and Value Contest soybeans Soybean Yield Contest 
Western Kansas Fall Field Days: August 27-29 Western KS Fall Field Days 

1015  August 8th, 2024    

Planning your wheat fertility program: Start now by soil testing wheat soil sampling soil testing soil fertility fall soil sampling 
Soil fertility and wheat production: Profile nitrate levels and wheat yield wheat profile nitrate residual nitrate soil fertility 
Late-season insect pest management considerations in cotton insects cotton pest management bollworms 
Insect activity in Kansas: Green June beetles insects pest management green june beetles 
2024 Kansas cool-season forage performance tests Performance Tests forage variety selection cool-season 
Kansas Corn Yield Contest: Final entry deadline is August 14 corn Corn Yield Contest yield 
North Central Kansas Experiment Field Fall Field Day - August 22 Fall Field Day  
TAPS Agronomy Field Day and Farming & Football Tailgate - Sept. 5 Field Day TAPS 
Sorghum Connection launches field day series to boost sorghum yields sorghum grain sorghum Field Day 

1014  August 1st, 2024    

Nitrate toxicity in drought-stressed forages grazing forage drought stress nitrate toxicity nitrates 
Pre-emergence herbicides in wheat wheat weed control pre-emergence residual herbicides 
Liming soils for optimum wheat production wheat lime application soil pH soil fertility low pH 
Allow time for lime applications when planting alfalfa this fall alfalfa lime application soil pH soil fertility low pH 
Distinguishing between gray leaf spot and bacterial leaf streak in corn corn disease gray leaf spot bacterial leaf streak 
Dual-purpose wheat variety performance 2024 dual purpose wheat publication variety selection wheat variety 
Coleoptile length of winter wheat varieties 2024 wheat publication coleoptile 
Summary of Kansas growing season weather in 2024 weather Climate Drought precipitation growing season 

July 2024

1013  July 25th, 2024    

Harvest weed seed destruction - A tool for managing herbicide-resistant weeds weed control herbicide resistance seed destruction 
Planting spring oats and turnips in the fall for forage grazing fall forage spring oats turnips 
Kansas drought update and climate report: July 17-23, 2024 weather Climate Drought 
K-State survey of cotton grower perspectives survey cotton 
North Central Kansas Experiment Field - Fall Field Day Fall Field Day experiment field North Central Kansas 
Save the date - Sorghum Connection: Maximizing Sorghum Yield  sorghum grain sorghum Field Day 

1012  July 18th, 2024    

Estimating corn yield potential using the yield component method corn yield potential yield estimates yield components 
Wheat streak mosaic virus: control of volunteer wheat is crucial disease volunteer wheat wheat streak mosaic wheat curl mite wheat green bridge 
Control options for warm-season perennial grasses weed control warm-season perennial grass 
Grasshopper populations in Kansas remain elevated insects grasshoppers 
Two new Area Agronomists join K-State Research and Extension new faculty 
K-State survey of cotton grower perspectives survey cotton 
Two regional winter canola meetings scheduled for Kansas and Oklahoma in early August canola winter canola meetings 
Kansas River Valley Experiment Field Fall Field Day, August 13 Fall Field Day River Valley  
East Central Experiment Field Fall Field Day, August 21 Fall Field Day East Central  

1011  July 11th, 2024    

Assessing hail damage to corn weather corn hail severe weather crop injury 
Cover crops grown post-wheat for forage cover crops dryland forage 
Southern rust is active in central and eastern Kansas  corn southern rust foliar diseases diseases crop scouting 
Tar Spot is active in five counties in northeast Kansas corn disease foliar fungicides foliar diseases tar spot 
Mid-season insect management for cotton production insects cotton fleahoppers lygus bugs bollworms 
World of Weeds - Purple threeawn weeds World of Weeds perennial grass purple threeawn 

June 2024

1010  June 27th, 2024    

Consider the value of soil residue before baling or burning wheat stubble wheat erosion burning crop residue wind erosion 
Identifying nutrient deficiency symptoms in soybeans soybeans nutrient deficiency soil fertility chlorosis 
Palmer amaranth control in grain sorghum  weeds grain sorghum weed control palmer amaranth 
Japanese Beetles and Burrowing Bugs make their annual appearance in Kansas soybeans corn Japanese beetles Burrowing bugs 

1009  June 20th, 2024    

Controlling weeds after wheat harvest wheat weeds weed control wheat harvest 
Late-season herbicide applications in corn corn weed control post-emergence late-season 
Plant analysis for testing nutrient levels in corn corn nutrient deficiency tissue testing nutrient anaylsis 
Wheat harvest: Identifying disease problems and setting harvest priorities  wheat disease harvest 
Update - Tar Spot is now active in four counties in northeast Kansas corn disease fungicide foliar diseases tar spot 
Fungicide considerations for corn diseases in 2024 corn disease fungicides fungal disease 
World of Weeds - Tumblegrass World of Weeds weeds tumblegrass perennial grass 
2024 Kansas Corn Yield Contest: Early registration deadline is June 30 yield Corn Yield Contest corn  
Save the date - Sorghum Connection: Maximizing Sorghum Yield  sorghum grain sorghum meetings  

1008  June 13th, 2024    

Managing late tillers in wheat as harvest approaches in Kansas wheat harvest late tillers 
Considerations for late-planted soybeans soybeans late planting planting date maturity group 
Herbicide applications and high temperatures weather herbicides high temperatures herbicide application 
Cut-off dates approaching for XtendiMax, Engenia, and Tavium applications  label requirements dicamba pesticide application 
Chinch bug activity in Kansas insects grain sorghum chinch bugs pests 
Spring precipitation: A season of contrasts across Kansas in 2024 spring weather precipitation rainfall 

1007  June 6th, 2024    

Low levels of Tar Spot have been confirmed in Kansas corn disease foliar diseases tar spot 
Management options for control of field bindweed weeds weed control bindweed field bindweed 
Herbicide applications: Avoid a tank-mix mishap label requirements herbicides herbicide application tank mix 
Annual Forage Insurance Part 1: Policy Basics forage forage insurance 
Annual Forage Insurance Part 2: Interval Selection forages forage insurance 
2024 Kansas Wheat Plot Tours - Updated Schedule wheat plot tours wheat  

May 2024

1006  May 30th, 2024    

Be aware of herbicide spray drift in wheat wheat glyphosate herbicide drift herbicide injury 
Kansas Mesonet Animal Comfort Tool monitors current and forecasted livestock conditions  cattle Mesonet Cattle Comfort Tool heat stress high humidity 
Average Precipitation Distribution: A Kansas Climate Primer weather Climate precipitation rainfall 
2024 Kansas Wheat Plot Tours - Updated Schedule wheat plot tours wheat 
K-State TAPS Technology Field Day - June 20 in Colby irrigation Field Day technology TAPS 

1005  May 24th, 2024    

Possible causes for white heads in wheat wheat Drought disease freeze injury white heads 
Considerations when harvesting short wheat wheat harvest short stands short wheat 
Soybean response to standing water and saturated soils soybeans flooded fields saturated soils seedling diseases 
Effect of standing water and saturated soils on corn growth corn saturated soils standing water nitrogen loss 
Corn rootworm egg hatch has begun in Kansas insects corn corn rootworm degree days CRW 
World of Weeds - Field bindweed weed control World of Weeds bindweed field bindweed 
2024 Kansas Wheat Plot Tours - Updated Schedule wheat plot tours wheat 
K-State TAPS Technology Field Day - June 20 in Colby irrigation Field Day technology TAPS 

1004  May 16th, 2024    

Early season weed control in cotton weed control cotton pre-emergence residual herbicides 
Pest management in cotton - Thrips and other early insects insects cotton pest management thrips 
Early summer control of sericea lespedeza using herbicides sericea lespedeza noxious weed 
War Against Weeds podcast is looking for your feedback survey podcast War on Weeds 
Kansas weekly drought update and climate report; May 8-14, 2024 weather Climate drought 
2024 Kansas Wheat Plot Tours - Updated Schedule wheat plot tours wheat 
K-State Southwest Research and Extension Spring Field Day - May 28 Field Day  

1003  May 9th, 2024    

Plan now for volunteer corn control  soybeans weed control volunteer corn 
Be on the lookout for Soybean Gall Midge soybeans insects soybean gall midge 
Control options for buckbrush, roughleaf dogwood, and smooth sumac brush control smooth sumac buckbrush roughleaf dogwood 
2024 Kansas Wheat Plot Tours - Updated Schedule wheat wheat plot tours 
K-State Southeast Research and Extension Spring Crops Field Day - May 14 spring Field Day 
Winter Canola Field Day set for May 16 near Hutchinson canola winter canola Field Day 
K-State Southwest Research and Extension Spring Field Day - May 28 spring Field Day  

1002  May 2nd, 2024    

Wheat stripe rust update and fungicide considerations wheat fungicide stripe rust foliar fungicides 
Pre-harvest weed control in wheat wheat weed control herbicide application pre-harvest harvest aid 
2024 Kansas Wheat Plot Tours - Updated Schedule wheat wheat plot tours  
Sorghum management considerations: Planting practices sorghum grain sorghum planting row spacing plant population 
Metabolic resistance: A pressing threat requiring immediate action weed control herbicide resistance metabolic resistance 
Spring 2024 precipitation in Kansas: A tale of two extremes spring precipitation rainfall 
Looking ahead - Weather outlooks for Kansas Climate summer outlook weather outlooks 
War Against Weeds podcast is looking for your feedback survey podcast War on Weeds 
Winter Canola Field Day set for May 16 near Hutchinson canola winter canola Field Day 
Save the Dates for Western Kansas Fall Field Days Fall Field Days  

April 2024

1001  April 25th, 2024    

Stripe rust distribution and risk assessment for Kansas - April 25, 2024 wheat disease fungicide stripe rust foliar fungicides 
Is there any value to starter fertilizer on soybeans? soybeans starter fertilizer phosphorus in-furrow potassium 
Relative volatility of different 2,4-D herbicide formulations herbicide herbicide drift volatilization 
World of Weeds - Fall panicum World of Weeds weeds fall panicum 
2024 Kansas Wheat Plot Tours - Updated Preliminary Schedule wheat plot tours  

1000  April 18th, 2024    

Celebrating 1,000 issues of the Extension Agronomy eUpdate! publication 
White grub damage in brome fields pastures replanting brome grubs grub worms 
Soil temperature, weather forecast, and seed quality are critical for cotton establishment weather cotton soil temperature seed quality planting conditions 
Control of late-emerging kochia in wheat or wheat stubble wheat kochia herbicide resistance 
Weed resistance to WSSA Group 2 herbicides is widespread: What do growers need to know? weed control herbicide resistance Group 2 herbicides 
2024 Kansas Wheat Plot Tours - Preliminary Schedule wheat plot tours wheat  

999  April 11th, 2024    

Pre-emergence herbicides for soybeans soybeans weed control pre-emergence residual herbicides 
Off-target movement of herbicides with wind erosion herbicide erosion wind erosion off target movement 
Soybean row spacing in Kansas soybeans row spacing 
The Endangered Species Act: What you need to know label requirements EPA Endangered Species 
Integrated Pest Management: New resource to help identify weeds in Kansas weeds identification pest management IPM 
Several K-State publications on insect pest management updated for 2024 insects publication  

998  April 5th, 2024    

Adjusting seeding rates for soybeans planting soybeans seeding rate plant density 
Starter fertilizer for corn - Nitrogen placement and rate nitrogen corn fertilizer starter fertilizer phosphorus 
Causes of yellow wheat - Weather and disease factors disease yellow wheat freeze injury wheat 
Causes of yellow wheat - Soil fertility factors wheat yellow wheat nutrient deficiency soil fertility 
Spring freeze effects on winter canola canola freeze injury winter canola 
Timing, timing, timing: Alfalfa weevil season is upon us! insects alfalfa alfalfa weevils 

March 2024

997  March 28th, 2024    

Update - Soil temperature and moisture status in Kansas planting soil moisture spring planting corn soybeans soil temperature planting date 
2024 Kansas wheat: Crop conditions and risk of freeze injury wheat freeze freeze injury crop development 
Injury symptoms from freeze damage to wheat wheat freeze injury freezing temperatures 
First hollow stem update - March 27, 2024 dual purpose grazing wheat first hollow stem 
Optimal corn seeding rate recommendations planting corn seeding rate plant density 
Soybean planting date and maturity group selection planting soybeans maturity group optimum planting dates 

996  March 21st, 2024    

Spring planting in Kansas: Soil temperature and moisture status soil moisture spring planting planting soil temperature 
Considerations for early fungicide applications on wheat in 2024 wheat fungicide foliar diseases split fungicide 
Outlook for stripe rust in 2024 Kansas wheat crop wheat disease outlook stripe rust 
Foliar fungicide efficacy for wheat disease management wheat publication foliar fungicides efficacy disease management 
Updated soil test interpretations and fertilizer recommendations for Kansas soil testing publication fertilizer soil fertility 
Army cutworm activity in western Kansas insects army cutworms miller moths 
Insect activity update: Alfalfa weevils insects alfalfa alfalfa weevils 

995  March 14th, 2024    

First hollow stem update - March 14, 2024 wheat dual purpose grazing first hollow stem 
Managing spring-planted cover crops for grazing grazing cover crops dryland cool-season 
Start monitoring alfalfa weevils using degree days and scouting alfalfa alfalfa weevils scouting growing degree days 
Winter 2023-2024 for Kansas: The Season in Review winter winter weather weather 
Soil Health and Cropping System Sustainability Field Day - April 5 soil health Field Day 

994  March 7th, 2024    

Topdressing wheat with nitrogen fertilizer wheat nitrogen topdress fertilizer 
Pay attention to growth stage for spring herbicide decisions on wheat wheat herbicide growth stage application timing 
Residual herbicides for corn corn weed control pre-emergence residual herbicides 
Tips for safe and successful prescribed burning this spring weather prescribed burning wildfire smoke 
Join the CoCoRaHS Network...because every drop counts! weather CoCoRaHS rain 
High Plains Sunflower Production Meetings - March 12 and 13 meetings sunflowers 
Central Kansas Forage Update - March 21 forage hay meetings 
Don't miss the last K-State Crop Talk webinar on March 12 virtual webinar Crop Talk 

February 2024

993  February 29th, 2024    

The 2024 Kansas fire season is here prescribed burning wildfire fire weather 
Burn bans and red flag warnings in Kansas prescribed burning red flag warnings wildfire burn ban 
Potential effects of recent warm temperatures on the wheat crop wheat warm temperatures green-up 
Optimal time to remove cattle from wheat pastures: First hollow stem wheat dual purpose grazing first hollow stem 
First hollow stem update - Feb. 29, 2024 wheat grazing dual purpose first hollow stem 
Wheat variety fall forage yield comparison for 2023-24 fall forage dual purpose yield results wheat variety trials 
Late winter kochia control in fields going to soybeans, sunflowers, and wheat wheat soybeans weed control kochia pre-emergence sunflowers 
Looking ahead to spring weather in Kansas weather spring climate spring outlook 
Don't miss the remaining K-State Crop Talk webinars virtual webinars CropTalk  
Update - Full program details are set for two Wheat Rx seminars Wheat Rx meetings wheat seminars 

992  February 22nd, 2024    

Late winter kochia control in fields going to corn or grain sorghum grain sorghum corn weed control kochia pre-plant herbicide 
Wheat streak mosaic virus confirmed in three counties in Kansas in 2024 disease wheat wheat streak mosaic barley yellow dwarf 
2023 Kansas Performance Tests reports for corn, soybeans, grain sorghum, and sunflowers soybeans grain sorghum corn Performance Tests sunflower  
Corn management in Kansas for 2024 corn publication crop production 
Wheat Rx seminars - Get your prescription for next year's wheat crop wheat Wheat Rx meetings  
K-State Crop Talk webinar series kicks off on February 20 virtual webinars Crop Talk  

991  February 15th, 2024    

Update - Federal court vacates labels for over-the-top dicamba herbicides soybeans dicamba label requirements cotton EPA 
Preplant herbicide applications for kochia control  weed control kochia pre-plant herbicide 
K-State Plant Disease Diagnostic Lab Samples - "The Good", "The Sick", and "The Ugly" disease Plant Disease Diagnostic Lab sample collection 
Wheat Rx seminars - Get your prescription for next year's wheat crop wheat Wheat Rx meetings 
2024 Kansas Corn and Soybean Virtual School - February 22 Corn Schools Soybean Schools virtual 
K-State Crop Talk webinar series kicks off on February 20 
Great Plains Cotton Conference set for February 20 in Pratt, KS 
Frontier District to host meeting on increasing row crop yields with weed and fungus control 

990  February 8th, 2024    

Extension question: Can I garden on top of my septic system? winter septic systems gardening 
Kansas Weekly Drought Update and Climate Report - Jan. 31 to Feb. 6, 2024 Climate Drought 
Great Plains Cotton Conference set for February 20 in Pratt, KS cotton 
K-State Crop Talk webinar series kicks off on February 20 Crop Talk 
Registration is open for the 2024 Kansas Corn and Soybean Virtual School corn Soybean Schools 
Frontier District to host meeting on increasing row crop yields with weed and fungus control weeds row crops fungus 
2024 Alfalfa School is set for February 13 in Great Bend 

January 2024

989  January 11th, 2024    

Significant cold is coming - Monitor livestock conditions using the Animal Comfort Tool Mesonet livestock Cattle Comfort Tool cold temperatures extreme weather 
Wind chill analysis tool from Kansas Mesonet weather wind chill Mesonet cold temperatures 
Ag-Climate Update: December 2023 weather Climate 
K-State Soil Fertility Schools for North Central and Northwest Kansas soil fertility meetings 
Women Managing the Farm Conference set for February 14-16 meetings farm management 
Updated - Cover Your Acres Winter Conference, January 16-17 Cover Your Acres meetings  
2024 Alfalfa School is set for February 13 in Great Bend  alfalfa meetings 
K-State Corn and Soybean Schools to be held Jan. 16-19, 2024 Corn Schools Soybean Schools  

988  January 4th, 2024    

Kansas weekly drought update and climate report: Dec. 27, 2023 - Jan. 2, 2024 weather Update Drought 
Updated - Cover Your Acres Winter Conference, January 16-17 Cover Your Acres meetings  
2024 Alfalfa School is set for February 13 in Great Bend  alfalfa forage meetings KSFGC  
K-State Corn and Soybean Schools to be held Jan. 16-19, 2024 Corn Schools Soybean Schools meetings  


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