2015 eUpdate Archive


December 2015

542  December 23rd, 2015    

UAS Registration: Positive implications for precision agriculture 
Revised agriculture guidelines for EPA’s Oil Spill Prevention, Control, and Countermeasure (SPCC) program  
Cover crops improve soil quality, crop yields in central Kansas research 
Earthworms: One of many indicators of soil health 
El Niño update 

541  December 18th, 2015    

Winter survival of wheat  
Topdressing canola: How to maximize the benefits 
Hessian fly on wheat in southwest Kansas 
Soil temperatures getting colder after December 13 
K-State Soybean Schools scheduled for late January 
K-State Sorghum Schools scheduled for early February 

540  December 11th, 2015    

Topdressing wheat with sulfur 
Sunflower moth: Behavior, scouting, and management 
Sunflower moth: Treatment options and pollinator safety 
K-State Corn Production Management Schools scheduled for January 
The length of the 2015 Kansas summer growing season 
Update on the comparative vegetation report Easal maps 

539  December 4th, 2015    

Can excessive wheat fall growth and development be a problem in some areas this year? 
Mustard species in Kansas 
Control of mustards in wheat 
K-State Soybean Schools scheduled for late January 
K-State Sorghum Schools scheduled for early February 
November weather summary for Kansas: Abrupt changes 
Fall tornado outbreak: November 16 

November 2015

538  November 20th, 2015    

Chloride as a topdressing nutrient for wheat 
Fall growth and development of wheat 
K-State Corn Production Management Schools scheduled for January 
Winter weather outlook for Kansas 
Kansas wildfire weather analysis for 2014 
Comparative Vegetation Condition Report: November 3 - 16 

537  November 13th, 2015    

Applications of Small Unmanned Aerial Systems (sUAS) 
Small Unmanned Aerial Systems: Regulations and safety 
Weather, climate, and the determination of climate normals 
Winter grain mites 
The economic return to soil test information 
Comparative Vegetation Condition Report: October 27 - November 9 

536  November 6th, 2015    

Factors involved in fall growth of canola 
Current status of new herbicide-resistant crops 
Grass control management in 2-gene Clearfield wheat 
Management adjustments when planting wheat late 
October weather summary for Kansas: Lopsided rains 
Comparative Vegetation Condition Report: October 20 - November 2 

October 2015

535  October 30th, 2015    

Considerations when dealing with poor emergence and uneven wheat stands 
Late-fall insect pest update 
The link between groundwater and surface water 
The aquifer systems of Kansas 
Mini-video: Kansas State University On-Farm Research Project 
K-State Crop Production Management Schools scheduled for 2016 
Comparative Vegetation Condition Report: October 13 - 26 

534  October 23rd, 2015    

No-till: Water Quality Best Management Practices 
Conventional tillage: Water Quality Best Management Practices 
Livestock waste applications to cropland: Water Quality Best Management Practices 
Mini-video: Soils and the Products We Use, 2015 International Year of Soils 
Recent rainfall totals in Kansas: The winners and losers 
Comparative Vegetation Condition Report: October 6 - 19 

533  October 16th, 2015    

Considerations when planting wheat into dry soils 
Timing of cheatgrass herbicides on wheat 
Late-season purpling in sorghum 
Mini-video: Apparent sugarcane aphid resistance in experimental sorghum lines 
New poster: “Sorghum Growth and Development” 
Comparative Vegetation Condition Report: September 29 - October 12 

532  October 9th, 2015    

Check your wheat fields for fall armyworms 
Get an early start on weed control in soybeans 
Effectiveness of low-rate in-furrow pelletized lime at wheat planting to manage acid soils 
New “Freeze Monitor” feature now available on Kansas mesonet 
Kansas weather summary September 2015: Warm and dry 
Comparative Vegetation Condition Report: September 22 - October 5 

531  October 2nd, 2015    

Controlling annual weeds with fall-applied herbicides ahead of corn and sorghum 
Sorghum development and potential freeze injury 
Agronomy Field Day to feature sorghum production research, Oct. 9 
Comparative Vegetation Condition Report: September 15 - 28 

September 2015

530  September 25th, 2015    

Wheat planting date and seeding rate research in northwest Kansas 
Sugarcane aphid update 
Pigweed article misrepresented by some news agencies 
Green stem syndrome in soybeans 
Agronomy Field Day to feature sorghum production research, Oct. 9 
Comparative Vegetation Condition Report: September 8 - 21 

529  September 18th, 2015    

Why are there so many pigweeds in soybeans this year? 
Summer field crop status in Kansas 
Knowing wheat seed size can improve accuracy of wheat seeding density 
Calibrating the seed drill prior to wheat planting improve seed distribution 
Kansas Bankers Association Awards nominations due by November 2 
Agronomy Field Day to feature sorghum production research, Oct. 9 
Comparative Vegetation Condition Report: September 1 - 14 

528  September 11th, 2015    

Assessing the impact of late-season hail damage on corn and soybeans 
Stalk rots in grain sorghum 
Bur ragweed control with early fall treatments 
Agronomy Field Day to feature sorghum production research, Oct. 9 
Comparative Vegetation Condition Report: August 25 - September 7 

527  September 4th, 2015    

New K-State wheat variety: Joe 
Pre-harvest glyphosate treatment on sorghum in a no-till system 
Early planting of wheat can lead to several problems 
Hessian fly fall activity on wheat 
Factors that influence Hessian fly fall infestations 
Method for estimating sorghum yields and the new "Sorghum Yield Predictor" app 
Calibration of yield monitors 
Agronomy Field Day to feature sorghum production research, Oct. 9 
August wheat summary for Kansas: Cool and dry 
Fall weather outlook for Kansas 
Comparative Vegetation Condition Report: August 18 - 31 

August 2015

526  August 28th, 2015    

Fall control of bindweed 
Nano adjuvants: The search for the magical solution to control glyphosate-resistant weeds 
Basal bark and cut-stump herbicide applications for control of woody plants on rangeland 
Late-season purpling in corn 
Insect updates in grain sorghum: Sorghum headworms and sugarcane aphids 
New faculty in Department of Agronomy 

525  August 21st, 2015    

Controlling tall, thick stands of weeds in wheat stubble 
Estimating soybean yield potential: There is a web-based app for this! 
Starter fertilizers and early-season nitrogen for wheat 
Some basic points on using anhydrous ammonia for wheat production 
Timing the final irrigation of the season 
South Central Kansas Experiment Field fall field day, August 25 
Canola drill and planter calibration clinics, August 25 and 27 
Agricultural Research Center-Hays Fall Crop Seminar, August 26  
Southwest Research-Extension Center, Garden City fall field day, August 27 
Comparative Vegetation Condition Report: August 4 - 17 

524  August 14th, 2015    

Managing wheat for forage and grain: The dual-purpose system 
Tips for fall planting of alfalfa 
Planning your wheat fertility program: Start now by soil testing 
Correlation of soil test nitrate level and wheat yields 
Liming acid soils for optimum wheat production 
New faculty in Department of Agronomy 
July 2015 weather summary for Kansas: Near normal 
North Central Kansas Experiment Fields fall field day, August 18 
East Central Experiment Field fall field day, August 19 
Canola drill and planter calibration clinics, August 25 and 27 
Agricultural Research Center-Hays Fall Crop Seminar, August 26  
Southwest Research-Extension Center, Garden City fall field day, August 27 
Comparative Vegetation Condition Report: July 28 - August 10 

523  August 7th, 2015    

Strategies for managing low-quality wheat seed: The case of low test weight 
When fungicide wheat seed treatments may be advisable 
Test wheat seed germination if harvest aid herbicides were used 
Forecasted corn yield potential for Kansas: Model projections on July 29 
Kansas River Valley Experiment Field fall field day, August 11 
North Central Kansas Experiment Fields fall field day, August 18 
East Central Experiment Field fall field day, August 19 
Comparative Vegetation Condition Report: July 21 - August 3 

July 2015

522  July 31st, 2015    

Volunteer wheat control: An important step in protecting the wheat crop 
Old World Bluestem control in Kansas grasslands  
Estimating corn yield potential 
El Niño and Kansas 
Canola schools set for August 5, 6 
Kansas River Valley Experiment Field fall field day, August 11 
East Central Experiment Field fall field day, August 19 
Comparative Vegetation Condition Report: July 14 - 27 

521  July 24th, 2015    

New soybean yield calculator app from K-State 
Southern rust alert on corn! / Gray leaf spot update 
Sugarcane aphids: A potential threat to grain sorghum in Kansas 
Newly revised K-State publication on seed treatments for wheat now available 
On-farm research, dryland corn plot tour scheduled in Saline County July 27 
East Central Experiment Field fall field day, August 20 
Comparative Vegetation Condition Report: July 7 - 20 

520  July 17th, 2015    

Evaluate damaged and weakened alfalfa stands this summer 
Evaluate damaged and weakened alfalfa stands this summer 
Liming prior to fall seedings of alfalfa  
Plant analysis for testing nutrient levels in soybeans 
Forecasted corn yield potential and attainable yields for 2015 
Canola schools set for August 5, 6 
Comparative Vegetation Condition Report: June 30 - July 13 

519  July 10th, 2015    

Control weeds in wheat stubble before they set seed 
Preharvest sprouting in wheat 
Preliminary look at the value of genetic resistance to stripe rust in 2015 
Canola conference set for July 14, 15; Canola schools set for August 5, 6 
Comparative Vegetation Condition Report: June 23 - July 6 

518  July 2nd, 2015    

Using wheat damaged by Fusarium head blight for seed  
Germination testing of wheat seed 
Factors to consider before baling or burning wheat residue 
Drought stress in corn 
June 2015 weather summary for Kansas: Break in the rains 
Comparative Vegetation Condition Report: June 16 - 29 

June 2015

517  June 26th, 2015    

Fusarium head blight in wheat: Questions and Answers 
Controlling weeds more than 6 inches tall in Roundup Ready soybean fields 
Now is the time to make decisions for fungicide management of gray leaf spot 
Potential corn ear development problems from off-label herbicide applications 
Comparative Vegetation Condition Report: June 9 - 22 

516  June 19th, 2015    

Does corn need additional nitrogen? 
Very warm temperatures may decrease efficacy of HPPD-inhibitor herbicides 
3. Common bunt (stinking smut) in wheat 
Late planting of soybeans: Management considerations 
Comparative Vegetation Condition Report: June 2 - 15 

515  June 12th, 2015    

Pre-harvest weed control in wheat 
Possible causes of yellow soybeans 
“Rootless Corn” syndrome 
Comparative Vegetation Condition Report: May 26 - June 8 

514  June 5th, 2015    

Late-developing tillers and green heads in wheat 
Plant analysis for testing nutrient levels in corn 
Glume blotch on wheat 
Loose smut: Causes and treatments 
Twisted, wrapped whorls and trapped, yellow leaves in corn 
May weather summary for Kansas: Drought Buster 
Spring weather summary for Kansas 
Comparative Vegetation Condition Report: May 19 - June 1 

May 2015

513  May 29th, 2015    

Will your corn need additional nitrogen this year? 
Sericea lespedeza control in rangeland, pasture, and CRP 
Is the fungicide on your wheat working? 
Reports of Fusarium head blight (head scab) in wheat 
Wheat tours scheduled in north central and northwest Kansas 
Wheat plot tour scheduled at North Central Experiment Field, June 3 
Northwest Research-Extension Center Spring Field Day, June 4 
Southwest Research-Extension Center-Tribune Dryland Wheat Tour, June 5 
Southwest Research-Extension Center-Garden City Spring Field Day, June 5 
Kansas Composting Operators’ School, June 9-10 
Comparative Vegetation Condition Report: May 12 - May 25 

512  May 22nd, 2015    

Sorghum management considerations 
Purple color in corn seedlings: Cause for concern? 
Effect of delayed planting on corn yield 
Causes of white heads in wheat 
El Niño update: May 21, 2015 
Wheat tours scheduled in north central and northwest Kansas 
Southeast Agricultural Research Center Spring Crops Field Day planned May 27 
“Conservation Agriculture and Sustaining Soils” workshop, Lawrence, May 28 
Wheat plot tour scheduled at North Central Experiment Field, June 3 
Northwest Research-Extension Center Spring Field Day, June 4 
Southwest Research-Extension Center-Tribune Dryland Wheat Tour, June 5 
Southwest Research-Extension Center-Garden City Spring Field Day, June 5 
Kansas Composting Operators’ School, June 9-10 
Comparative Vegetation Condition Report: May 5 - May 18 

511  May 15th, 2015    

Stripe rust and leaf rust update 
Effect of standing water and saturated soils on corn growth and yield 
Soybean response to standing water and saturated soils 
Nitrogen loss potential in wet soils 
Chemical control of roughleaf dogwood 
Special meeting: “Reclaiming Fields after Flooding,” May 19, 10 a.m., Hanover 
South Central Experiment Field Spring Field Day, May 19 
Canola clinics and field tour set for May 19, 21 
Southeast Agricultural Research Center Spring Crops Field Day planned May 27 
Wheat plot tour scheduled at North Central Experiment Field, June 3 
Northwest Research-Extension Center Spring Field Day, June 4 
Southwest Research-Extension Center-Tribune Dryland Wheat Tour, June 5 
Southwest Research-Extension Center-Garden City Spring Field Day, June 5 
Comparative Vegetation Condition Report: April 28 - May 11 

510  May 12th, 2015    

Special Edition. May freeze: Effect on wheat in boot and heading stages 

509  May 8th, 2015    

Large-scale dryland cropping systems research at Tribune: 2008-2014 results 
Diagnosing corn early-season growth problems 
Considerations for corn planted under wet conditions 
Buckbrush control in Kansas 
South Central Experiment Field Spring Field Day, May 19 
Canola clinics and field tour set for May 19, 21 
Southeast Agricultural Research Center Spring Crops Field Day planned May 27 
April 2015 weather summary for Kansas: April 4 freeze 
Comparative Vegetation Condition Report: April 21 - May 4 

508  May 1st, 2015    

Sampling for pH and liming in continuous no-till fields 
Soybean seeding rates and optimum plant populations 
On-Farm soybean seeding rate studies: 2014 season – North Central Kansas 
Is there any value to starter fertilizer on soybeans? 
Update on the distribution and intensity stripe rust 
Wheat plot tour scheduled at North Central Experiment Field, June 3 
Comparative Vegetation Condition Report: April 14 - 27 

April 2015

507  April 28th, 2015    

Special Edition: Making the decision to apply a fungicide to wheat for stripe rust 

506  April 24th, 2015    

Update on stripe rust and leaf rust in wheat 
Management of soybean diseases in Kansas 
Recommendations for plant analysis of wheat 
Early summer weather outlook for Kansas 
Comparative Vegetation Condition Report: April 7 - 20 

505  April 22nd, 2015    

Special Edition: Stripe rust alert 

504  April 17th, 2015    

Control of later-emerging kochia in wheat or wheat stubble 
K-State research on seed treatments for Sudden Death Syndrome in soybeans 
Q&A on current wheat disease and fungicide use issues 
Comparative Vegetation Condition Report: March 31 - April 13 

503  April 10th, 2015    

Soybean planting dates and maturity group: Trends and K-State recommendations 
Updated publication comparing wheat fungicides now available 
Clarification to April 2, 2015 article on “Weed control in grain sorghum” 
Winter stand losses in canola: A comparison of two seasons 
Summary of March weather in Kansas: Another roller coaster 
Comparative Vegetation Condition Report: March 24 - April 6 

502  April 8th, 2015    

Special Edition: Freeze injury on wheat 

501  April 3rd, 2015    

Preliminary report on wheat varieties with good winter survival 
Weed control strategies in grain sorghum 
Update on insect activity on alfalfa and wheat 
Drought-tolerant corn hybrids: Yield benefits 
Planting conditions as of late March/early April 
Expected number of days to plant summer crops in Kansas 
Comparative Vegetation Condition Report: March 17 - 30 

March 2015

500  March 27th, 2015    

Causes of yellow wheat in the spring 
Diagnosing causes of yellow wheat 
Planting conditions as of late March 
Spring/early summer weather outlook for Kansas 
Comparative Vegetation Condition Report: March 10 - 23 

499  March 20th, 2015    

Winterkill and follow-up management 
Spring musk thistle control 

498  March 13th, 2015    

Is there still time to effectively control kochia? 
Winterkill in wheat and potential yield loss 
Writing a burn plan 
Outlook for rust diseases on wheat in 2015 
Spring herbicide application decisions on winter wheat: The importance of wheat growth stage 
Management following a wildfire 
Corn seeding rate recommendations 
Comparative Vegetation Condition Report: February 24 - March 9 

497  March 11th, 2015    

Special Issue: Army cutworm alert on winter canola in Kansas; Scout wheat and alfalfa fields 

496  March 6th, 2015    

Soil-applied residual herbicide options for soybeans 
Corrective actions for dry ponds 
Kansas Smoke Model web site now active for 2015  
Assessing winter damage to alfalfa stands 
Early spring insect control and fertility management practices for alfalfa 
On-farm research collaborations: North Central Kansas case study 
Kansas weather summary for February: Extended cold 
Comparative Vegetation Condition Report: February 17 - March 2 

February 2015

495  February 27th, 2015    

Preemergence herbicide programs for corn 
Soybean fertilizer requirements in Kansas 
On-farm Research Collaborative Project: Non-biased, Research-based, and Grower-driven 
Hessian fly infestations found in southeast Kansas 
Factors that influence Hessian fly infestations 
Comparative Vegetation Condition Report: February 10 - 23 

494  February 20th, 2015    

Tiller loss and some winterkill on wheat in northwest Kansas 
When to take cattle off wheat to maximum total grain yield/pasture grazing returns 
Spring oats for forage production 
New K-State sorghum publication now available online 
Comparative Vegetation Condition Report: February 3 - 16 

493  February 13th, 2015    

New K-State experimental grain sorghum lines show very high yield potential 
Topdressing canola: How to maximize the benefits 
How overgrazing can affect wheat 
Early reports of wheat rust in southern states 
Central High Plains fallow and row crop weed control presentation available online 
Deadline nearing for KARTA on-farm research grant opportunities 
Prescribed burning workshops scheduled for February and early March 
K-State Canola Risk Management Schools scheduled for March 5 and 10 
Comparative Vegetation Condition Report: January 27 - February 9 

492  February 6th, 2015    

Crop water use: Seasonal and crop maturity variations 
Crop water use and yield 
Kansas weather summary for January: A roller coaster ride 
K-State Sorghum Production Schools scheduled for mid-February 
Prescribed burning workshops scheduled for February 
K-State Canola Risk Management Schools scheduled for March 5 and 10 
Comparative Vegetation Condition Report: January 20 - February 2 

January 2015

491  January 30th, 2015    

Can wheat lose winterhardiness during winter warm spells? 
Managing problem weeds in Roundup Ready corn 
2015 Cover Crops Policy FAQs from USDA-Risk Management Agency 
K-State Soybean Production Schools scheduled for early February 
K-State Sorghum Production Schools scheduled for mid-February 
Prescribed burning workshops scheduled for February 
Comparative Vegetation Condition Report: January 13 - 26 

489  January 16th, 2015    

Kochia control in early spring 
Winter/spring options for winter annual broadleaf control in wheat 
Cover Your Acres Conference in Oberlin, January 20-21 
Kansas Ag Technologies Conference Set for Jan. 22-23 in Salina 
North Central Kansas Field Day in Courtland, January 30 
K-State Soybean Production Schools scheduled for early February 
K-State Sorghum Production Schools scheduled for mid-February 
Canola College 2015 in Enid, February 19 
Spring weather outlook 
Comparative Vegetation Condition Report: December 30 - January 12 

488  January 9th, 2015    

Soil temperatures and wheat condition 
New K-State Chemical Weed Control guide now available 
Cover Your Acres Conference in Oberlin, January 20-21 
Kansas Ag Technologies Conference Set for Jan. 22-23 in Salina 
North Central Kansas Field Day in Courtland, January 30 
K-State Sorghum Production Schools scheduled for February 
Canola College 2015 in Enid, February 19 
Kansas weather summary for December 2014: Milder trend 
Year-end summary of Kansas weather in 2014: From windy to wet 
Comparative Vegetation Condition Report: December 23 - January 5 
December cloud cover in Kansas 


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