2016 eUpdate Archive


December 2016

605  December 23rd, 2016    

Nutrient availability in poultry manure – updated version 
Calculating the value and proper storage of poultry litter 
Benefits of timber stand improvement on Kansas farmsteads 
K-State Corn Management Schools scheduled for January 2017 
Canola College 2017 in Enid, January 19, 2017 
K-State Soybean Schools scheduled for late January 2017 
K-State Sorghum Schools scheduled for late January and early February 2017 
Comparative Vegetation Condition Report: December 13 – 19 

604  December 16th, 2016    

Grazing cover crops: Toxicity considerations 
Nutrient availability in poultry manure 
K-State Corn Management Schools scheduled for January 2017 
Canola College 2017 in Enid, January 19, 2017 
K-State Soybean Schools scheduled for late January 2017 
K-State Sorghum Schools scheduled for late January and early February 2017 
Soil temperature update 
New K-State 2017 Chemical Weed Control Guide now available online 

603  December 9th, 2016    

Wheat growth and development this fall in Kansas 
Possible consequences of very cold temperatures to the Kansas wheat crop 
Wheat scab resistance gene found 
Kansas Forage and Grasslands Council annual meeting, December 13, Wichita 
K-State Corn Management Schools scheduled for January 2017 
K-State Soybean Schools scheduled for late January 2017 
K-State Sorghum Schools scheduled for late January and early February 2017 
November weather summary for Kansas: A warm month 
Winter outlook – December 2016 to February 2017 
Wind chill analysis … at your fingertips! 

602  December 2nd, 2016    

Deep tillage considerations 
Examine soils and look for signs of compaction 
Measuring the bulk density of soil 
Considerations when applying anhydrous ammonia for corn in the fall 
Evaluating wheat crop conditions going into winter 
Kansas Forage and Grasslands Council annual meeting, December 13, Wichita 
K-State Corn Management Schools scheduled for January 2017 
K-State Soybean Schools scheduled for late January 
Comparative Vegetation Condition Report: November 22 - 28 

November 2016

601  November 18th, 2016    

Cold hardening in winter wheat 
Late-season update on the sugarcane aphid in Kansas 
Kansas Forage and Grasslands Council annual meeting, December 13, Wichita 
K-State Corn Management Schools scheduled for January 2017 
Comparative Vegetation Condition Report: November 8 - 14 

600  November 11th, 2016    

Control of mustards in wheat 
Mustard species in Kansas 
New K-State patent for genetically shutting off soybean cyst nematodes 
Cover Crop Road Show planned Nov. 17 in southwest Kansas 
K-State Crop Production Schools scheduled for 2017 
Comparative Vegetation Condition Report: November 1 - 7 

599  November 4th, 2016    

Factors that help determine winter survival in canola 
Current status of new herbicide-resistant crops 
Grass control management in 2-gene Clearfield wheat 
Cover Crop Road Show planned Nov. 17 in southwest Kansas 
K-State Crop Production Schools scheduled for 2017 
Kansas weather summary for October: Record warmth 
Comparative Vegetation Condition Report: October 25 - 31 

October 2016

598  October 28th, 2016    

Controlling annual weeds with fall-applied herbicides ahead of corn and sorghum 
Management adjustments when sowing wheat late 
Late-season management decisions for alfalfa 
Field Pea Production Workshop, Nov. 4 in Culbertson, Neb. 
Cover Crop Road Show planned Nov. 17 in southwest Kansas 
Comparative Vegetation Condition Report: October 18 - 24 

597  October 21st, 2016    

Fall control strategies for marestail in soybeans 
Kansas soil moisture conditions 
Establishing and managing native prairie plants in small areas 
New edition of K-State’s Soybean Production Handbook now available 
Comparative Vegetation Condition Report: October 11 - 17 

596  October 14th, 2016    

Below-freezing temperatures in parts of Kansas could affect some sorghum, soybeans 
Timing of cheatgrass herbicides on wheat 
Diplodia ear and stalk rot 
Expected number of days to harvest summer crops in Kansas 
October tornadoes in Kansas 
Comparative Vegetation Condition Report: October 4 - 10 

595  October 7th, 2016    

Most likely causes of poor wheat emergence 
Replanting decisions for winter wheat 
Fall armyworms, armyworms, and army cutworms in wheat 
Sorghum development and potential freeze injury 
Temperatures below freezing: A concern for summer row crops? 
Kansas weather summary for September 2016: Warm with a wet tilt 
Comparative Vegetation Condition Report: September 27 - October 3 

September 2016

594  September 30th, 2016    

Using 2,4-D and glyphosate as burndown prior to planting wheat 
Green stem syndrome in soybeans 
Mesonet freeze monitor returns 
Comparative Vegetation Condition Report: September 20 - 26 

593  September 23rd, 2016    

Utilizing cover crops for weed control: Be sure to consider all aspects 
The ongoing battle with pigweeds in soybeans 
Fall control of bindweed 
Bur ragweed control with early fall treatments 
Summer field crop status in Kansas 
Forecasting corn yields: End-of-season outcomes 
Sept. 27 webinar to focus on improving wheat grazing using Canopeo mobile app 
Comparative Vegetation Condition Report: September 13 - 19 

592  September 19th, 2016    

Optimum sowing dates and seeding rates for wheat in Kansas 
Wheat planting conditions as of mid-September 2016 
Heavy rains in northeast Kansas September 14 reach historic levels 

591  September 16th, 2016    

Late-season stalk lodging in corn 
Evaluating wheat seed size to improve accuracy of wheat seeding density 
Calibrating the seed drill prior to wheat planting improve seed distribution 
Update on sugarcane aphids and other pests of sorghum 
Fungicide seed treatments for wheat 
Pre-harvest glyphosate treatment on sorghum in a no-till system 
Selecting a wheat variety for dual-purpose grazing and grain 
Comparative Vegetation Condition Report September 6 - 12 

590  September 12th, 2016    

Rainfall return rates: Historic recent precipitation amounts in south central Kansas 

589  September 9th, 2016    

Follow K-State Agronomy through social media and electronic newsletters 
Early planting of wheat can lead to several problems 
Late-season purpling in sorghum 
Flooding rains overnight on September 8-9 
Comparative Vegetation Condition Report August 30 - September 5 

588  September 2nd, 2016    

Some basic points on using anhydrous ammonia for wheat production 
Sudden Death Syndrome in soybeans – 2016 update 
New disease of corn in Kansas and the U. S. 
Late-season purpling in corn 
Method for estimating sorghum yields and the new "Sorghum Yield Predictor" app 
Fungicide seed treatments for wheat 
New website offers soil health webinar resources 
Dale Fjell, former Crop Production Specialist, retires 
Wet August in Kansas 
Comparative Vegetation Condition Report: August 23 - 29 

August 2016

587  August 26th, 2016    

Basal bark and cut-stump herbicide applications for control of woody plants on rangeland 
Soybean pests update 
Sorghum pests update 
2016 Kansas Wheat Seed Book now available 
Pre-plant wheat schools, August 30 
South Central Kansas Experiment Field fall field day, August 30 
Fall weather outlook 
Comparative Vegetation Condition Report: August 16 - 22 

585  August 19th, 2016    

Volunteer wheat control: Protecting the state's wheat crop 
Starter fertilizers for wheat 
Early-season nitrogen for wheat 
Controlling tall, thick stands of weeds in wheat stubble 
Estimating soybean yield potential: A web-based app 
Timing the final irrigation of the season 
2016 Kansas Wheat Seed Book now available 
Sugarcane aphid field day, Barton County, August 22 
Northwest Research-Extension Center fall field day, August 23 
Demonstration on corn row spacing and yield monitor use, Jefferson Co., August 23 
Pre-plant wheat schools, August 23-30 
Agricultural Research Center-Hays fall field day, August 24 
Southwest Research-Extension Center fall field day, August 25 
South Central Kansas Experiment Field fall field day, August 30 
Comparative Vegetation Condition Report: August 9 - 15 

584  August 12th, 2016    

New app can help protect wheat grain yields in dual-purpose systems 
Tips for fall planting of alfalfa 
Planning your wheat fertility program: Start now by soil testing 
Liming acid soils for optimum wheat production 
Precision ag tools and on-farm population research 
Twin row corn on-farm research in Saline County 
Preplant wheat schools to be held in northwest and north central Kansas 
Planter School at K-State, August 15 
Yield Monitor School at K-State, August 16 
North Central Kansas Experiment Fields fall field day, August 16 
East Central Experiment Field fall field day, August 17 
Northwest Research-Extension Center fall field day, August 23 
Agricultural Research Center-Hays fall field day, August 24 
Southwest Research-Extension Center fall field day, August 25 
Comparative Vegetation Condition Report: August 2 - 8 

583  August 5th, 2016    

Managing wheat for forage and grain: The dual-purpose system 
Factors to consider when selecting a wheat variety 
Estimating corn yield potential 
Sugarcane aphid update 
Kansas River Valley Experiment Field fall field day, August 9 
Winter canola preplant school, August 11 in Concordia 
Preplant wheat schools to be held in northwest and north central Kansas 
Planter School at K-State, August 15 
East Central Experiment Field fall field day, August 17 
Northwest Research-Extension Center fall field day, August 23 
Agricultural Research Center-Hays fall field day, August 24 
Southwest Research-Extension Center fall field day, August 25 
Kansas weather summary for July: Hot and muggy 
Comparative Vegetation Condition Report: July 26 – August 1 

July 2016

582  July 29th, 2016    

Kansas wheat crop wrap-up for 2016 
Improving canola breeding with bees 
Soil calcium and magnesium levels: Does the ratio make a difference? 
New publication on wheat variety fall forage yield and first hollow stem dates 
Kansas River Valley Experiment Field fall field day, August 9 
Winter canola preplant school, August 11 in Concordia 
Planter School at K-State, August 15 
East Central Experiment Field fall field day, August 17 
Northwest Research-Extension Center fall field day, August 23 
Agricultural Research Center-Hays fall field day, August 24 
Southwest Research-Extension Center fall field day, August 25 
Comparative Vegetation Condition Report: July 19 - 25 

581  July 22nd, 2016    

Sugarcane aphid scouting and management on sorghum for 2016 
Overcoming some of the limiting factors in southeast Kansas wheat production 
2016 Forecasted corn yield potential and attainable yields 
Importance of post-wheat harvest weed control in dryland cropping systems 
Saline County dryland corn plot /on-farm research tour, July 28 
Kansas River Valley Experiment Field fall field day, August 9 
East Central Experiment Field fall field day, August 17 
Southwest Research-Extension Center fall field day, August 25 
Comparative Vegetation Condition Report: July 12 - 18 

580  July 15th, 2016    

Hot weather ahead -- Impacts on summer row crops 
Canola yields rebound across Kansas in 2016 
Liming prior to fall seedings of alfalfa 
Plant analysis for testing nutrient levels in soybeans 
Updated, expanded “Wheat Variety Disease and Insect Ratings” publication  
Saline County dryland corn plot /on-farm research tour, July 28 
Kansas River Valley Experiment Field fall field day, August 9 
Comparative Vegetation Condition Report: July 5 - 11 

579  July 8th, 2016    

Corn harvest efficiency 
Managing glyphosate-tolerant volunteer corn in summer fallow 
Factors to consider before baling or burning wheat residue 
Drought stress in corn 
Kansas climate basics: Top 10 hottest, coldest, driest, and wettest years in Kansas 
June weather summary for Kansas: Summer arrives early 
Comparative Vegetation Condition Report: June 28 - July 4 

578  July 1st, 2016    

New corn growth and development poster from K-State 
New wheat growth and development poster from K-State 
Kansas climate basics: Pt. 7 – Daily precipitation and snowfall records  
Comparative Vegetation Condition Report: June 21 - 27 

June 2016

577  June 27th, 2016    

New FAA regulations facilitate sUAS integration into precision agriculture 
Department of Agronomy’s new sUAS Technologist and Pilot 

576  June 23rd, 2016    

Late planting of soybeans: Management considerations 
The time to make decisions for fungicide management of gray leaf spot is rapidly approaching 
Kansas climate basics: Pt. 6 -- Maximum and minimum temperature records 
June heat in Kansas: High temperatures can stress livestock and corn 
Comparative Vegetation Condition Report: June 14 - 20 

575  June 17th, 2016    

Control weeds in wheat stubble before they set seed 
The importance of early control of volunteer in hailed-out wheat 
Stripe rust incidence in 2016 wheat plots 
Possible causes of yellow soybeans 
Kansas climate basics: Part 5 – Drought, drought changes, and drought cycles 
Special “Heat Index” page on Kansas Mesonet website 
Heat burst along the Kansas River 
Comparative Vegetation Condition Report: June 7 - 13 

574  June 10th, 2016    

Controlling larger weeds in Roundup Ready soybean fields 
“Rootless Corn” syndrome 
Kansas climate basics: Pt. 4 -- Changes in frost dates from 1901 to 2014 
Dryland Ag Day, June 15, Tribune 
K-State field pea plot tour, June 17 
Drought update, June 9, 2016 
Comparative Vegetation Condition Report: May 31 - June 6 

573  June 3rd, 2016    

Pre-harvest weed control in hail-thinned stands of wheat 
Plant analysis for testing nutrient levels in corn 
Soil pH and liming in Kansas: Part 3 -- Selecting liming materials 
Kansas climate basics: Part 3 -- Precipitation trends over the last 121 years 
White heads in wheat: Possible causes 
K-State wheat plot tours for June 7 - 9 
K-State field pea plot tours, June 6 and 17 
Dryland Ag Day, June 15, Tribune 
Kansas weather summary for May: Cool and mostly wet 

May 2016

572  May 27th, 2016    

Long-time soil fertility specialist and former agronomy head to retire in June 
Is there any value to starter fertilizer on soybeans? 
Double crop options after wheat 
Kansas climate basics: Part 2 -- Temperature trends 1895-2015 
Soil pH and Liming in KS: Part 2 -- Is my soil acid and how much lime is needed? 
Purple color in corn seedlings: Cause for concern? 
Nitrogen loss potential in wet soils 
Slow planting and emergence progress for summer row crops 
K-State wheat plot tours for May 31 - June 3 
Wheat plot tour scheduled at North Central Experiment Field, June 1 
K-State field pea plot tours, June 6 and 17 
Dryland Ag Day, June 15, Tribune 
Comparative Vegetation Condition Report: May 17 - 23 

571  May 20th, 2016    

Harvesting options for winter canola 
Effect of delayed planting on corn yield: Planting date by maturity interaction 
Kansas climate basics: Temperatures, precipitation, and extremes 1891-2015 
Soil pH and liming in Kansas: Part 1 -- Basic concepts 
Does corn need additional nitrogen? 
K-State wheat plot tours for May 23-27 
South Central Experiment Field Spring Field Day, May 24 
Southeast Kansas Spring Crops Field Day May 24 in Parsons 
Winter canola featured at K-State field days May 24, 25 
Kansas Wheat Day, Agricultural Research Center-Hays, May 26 
Spring Field Day, May 26, Garden City 
La Niña outlook 
Precipitation in Kansas, May 9-15; and summer outlook 
Comparative Vegetation Condition Report: May 10 - 16 

570  May 13th, 2016    

Sorghum management considerations 
Winter canola private-public partnerships at K-State 
Uncontrolled weeds would lead to billions in lost crop revenue in U.S. and Canada 
South Central Experiment Field Spring Field Day, May 24 
Southeast Kansas Spring Crops Field Day May 24 in Parsons 
Winter canola featured at K-State field days May 24, 25 
Kansas Wheat Day, Agricultural Research Center-Hays, May 26 
Spring Field Day, May 26, Garden City 
Wheat plot tour scheduled at North Central Experiment Field, June 1 
Dryland Ag Day, June 15, Tribune 
Comparative Vegetation Condition Report: May 3 - 9 

569  May 9th, 2016    

List of 2016 K-State wheat plot tours 

568  May 6th, 2016    

Joe: New hard white wheat variety from K-State 
K-State advanced experimental wheat lines set for possible release in 2016 
Diagnosing early-season growth problems in corn 
Winter canola featured at K-State field days May 24, 25 
Spring Field Day, May 26, Garden City 
Wheat plot tour scheduled at North Central Experiment Field, June 1 
Kansas weather summary for April: Change in pattern 
Comparative Vegetation Condition Report: April 26 - May 2 

567  May 2nd, 2016    

Possible effects of recent cold temperatures on wheat in northwest Kansas 
Insect update: Alfalfa and Wheat 

April 2016

566  April 29th, 2016    

Effect of standing water and saturated soils on corn growth 
Considerations for corn planted under wet conditions 
Soybean response to standing water and saturated soils 
Current status of the Kansas wheat crop: storms, yield potential, and imminent problems 
Risk of Fusarium head blight (scab) in wheat 
Latest information on wheat stripe rust 
Beef Cattle and Forage Crops Field Day, Mound Valley, May 5 
Spring Field Day, May 26, Garden City 
Wheat plot tour scheduled at North Central Experiment Field, June 1 
Comparative Vegetation Condition Report: April 19 - 25 

565  April 22nd, 2016    

Q&A on current wheat fungicide use issues 
Considerations for ground vs. aerial applications of fungicide 
Wheat stripe rust update 
How much yield potential did the latest round of precipitation add to the wheat crop? 
Soybean seeding rates and optimum plant populations 
Update on row width effects on soybean, K-State-USB-Kansas Soybean Project 
Planting conditions as of late April 
Should you spray wheat for aphids? 
Kansas added to interactive “Cover Crops Decision Tool” web site 
April 26 webinar to focus on cover crops in a livestock grazing system 
Two canola field tours scheduled April 28 for south central Kansas 
Comparative Vegetation Condition Report: April 12 - 18 

564  April 18th, 2016    

Special Edition: Stripe rust alert! 

563  April 15th, 2016    

Soybean planting dates and maturity group: Trends and K-State recommendations 
Expected number of days available to plant summer crops in Kansas 
Short K-State video on current wheat disease situation in Kansas 
Two canola field tours to be held in south central Kansas April 28  
K-State Cover Crop Field Day, HB Ranch - Hays, May 13 
Wheat In-Depth Diagnostic School in Colby, May 17-18 
Comparative Vegetation Condition Report: April 5 - 11 

562  April 12th, 2016    

Special Edition: Could the latest rounds of cold temperatures harm the Kansas wheat crop? 

561  April 8th, 2016    

Status of Roundup Ready 2 Xtend soybeans and herbicide options 
Drought conditions across most of Kansas starts to affect the wheat crop 
Stripe rust continues to spread in central Kansas 
Weed control strategies in grain sorghum 
Agricultural Mobile Apps: A review and update of non-agricultural apps 
Restrictions on buckwheat use in cover crop mixtures near commodity wheat 
Wheat In-Depth Diagnostic School in Colby, May 17-18 
How dry and windy has it been in Kansas so far this year 
Kansas weather summary for March 2016: Another roller coaster  
Comparative Vegetation Condition Report: March 29 - April 4 

560  April 1st, 2016    

Update on the risk for wheat stripe rust  
Wheat development update and initial freeze damage assessment 
Planting conditions as of late March/early April 
Agricultural Mobile Apps: A review and update of general agriculture apps 
Updated publication on wheat fungicides released 
K-State Cover Crop Field Day, HB Ranch, May 13 
Comparative Vegetation Condition Report: March 22 - 28 

March 2016

559  March 31st, 2016    

Management following a wildfire: Effects on vegetation and soils 

558  March 30th, 2016    

Latest round of below-freezing temperatures again concerns Kansas wheat producers 

557  March 25th, 2016    

Make sure all interested parties are getting our eUpdate! 
Drought-tolerant corn hybrids: Yield benefits 
Planting conditions as of late March 
Managing freeze-damaged alfalfa 
Could bird cherry-oat aphids be a problem on wheat this spring? 
Agricultural Mobile Apps: A review and update of machinery apps 
Ultra-high density grazing is topic of March 29 webinar 
K-State Sorghum School set for March 31 in Phillipsburg 
Vegetative activity in southwest Kansas reduced by recent hard freezes 
Comparative Vegetation Condition Report: March 15 - 21 

556  March 21st, 2016    

Potential for injury to wheat in Kansas from below-freezing temperatures 

555  March 18th, 2016    

Reports of leaf rust and stripe rust; fungicide application timing 
Diagnosis of late winter/early spring freeze injury on wheat 
Can low minimum temperatures observed March 16-17 damage the wheat crop? 
First hollow stem update: March 17, 2016 
Corn seeding rate recommendations 
Agricultural Mobile Apps: A review and update of irrigation apps 
Ultra-high density grazing is topic of March 29 webinar 
Comparative Vegetation Condition Report: March 8 - 14 

554  March 11th, 2016    

Spring herbicide applications on winter wheat: The importance of wheat growth stage 
Alfalfa weevil larvae found in north central Kansas 
First hollow stem update: March 8, 2016 
Starter fertilizer rates and placement for corn 
Agricultural Mobile Apps: A review and update of livestock apps 
On-farm research collaborative project: Non-biased, Research-based, and Grower-driven 
K-State Sorghum School set for March 31 in Phillipsburg 
Temperatures in Kansas continue to be much warmer than normal 
Comparative Vegetation Condition Report: March 1 - 7 

553  March 4th, 2016    

Status of new ALS-resistant Inzen sorghum technology 
Soil-applied residual herbicide options for soybeans 
Kansas Smoke Model web site now active 
First hollow stem update: March 4, 2016 
Agricultural Mobile Apps: A review and update of field guide apps 
Kansas weather summary for February: A month of extremes 
Comparative Vegetation Condition Report: February 23 - 29 
Winter canola school set for March 9 in Harper 

February 2016

552  February 26th, 2016    

Preemergence herbicide programs for corn 
Spring oats for forage production or as early spring cover crop 
Winter/spring fertilization of tall fescue and smooth bromegrass pastures and hayfields 
First hollow stem update: February 26, 2016 
Agricultural Mobile Apps: A review and update of economics apps 
Wildfire Awareness Week in Kansas: Feb. 22-27 
Last year’s wet May and warm June bring increased fire risk in 2016 
How warm did it get the week of Feb. 15-21? 
Comparative Vegetation Condition Report: February 16 - 22 

551  February 19th, 2016    

First hollow stem update: February 19, 2016 
Possible consequences of warm winter temperatures on wheat 
Agricultural Mobile Apps: A review and update of scouting apps 
Pasture weed and brush management webinar scheduled Feb. 23 
Prescribed burning workshops set for Feb. 23 – March 3 
Comparative Vegetation Condition Report: February 9 – 15 

550  February 12th, 2016    

First hollow stem update: February 12, 2016 
Remediating soils affected by brine spills 
Soil salinity problems in Kansas 
Agricultural Mobile Apps: A review and update of calculator apps 
Early season wheat disease outlook 
Prescribed burning workshops set for Feb. 17 – March 3 
Canola College 2016 in Enid, February 18 
Comparative Vegetation Condition Report: February 2 – 8 

549  February 8th, 2016    

Agricultural Mobile Apps: A review and update of ID apps 

547  February 5th, 2016    

Management of Sudden Death Syndrome in soybeans: K-State research 
Optimal time to remove cattle from wheat pastures: First hollow stem 
First hollow stem update and fall forage wheat yield report 
Agriculture Technology Day, Herington, Feb. 11 
Kansas weather summary for January 2016: Seasonally dry 
Comparative Vegetation Condition Report: January 26 – February 1 

January 2016

546  January 29th, 2016    

Topdressing wheat with nitrogen: Timing, application methods, source, and rates 
New corn herbicides for 2016 
Spring weather outlook 
K-State Sorghum Schools scheduled for early February 
Canola College 2016 in Enid, February 18 

545  January 22nd, 2016    

Kochia control in early spring 
Plan now for good marestail control in soybeans 
Alfalfa weevils: What are they up to during the winter? 
Summary of diseases on corn, grain sorghum, and soybeans in Kansas in 2015 
K-State Soybean Schools scheduled for late January 
Wheat grazing webinar planned for January 28 
K-State Sorghum Schools scheduled for early February 

544  January 15th, 2016    

Winter/spring options for winter annual broadleaf control in wheat 
Gully erosion control is an important issue on rural, suburban, and urban land 
Cover Your Acres Conference, January 19-20 in Oberlin 
Kansas Agricultural Technologies Conference, January 21-22 in Junction City 
K-State Soybean Schools scheduled for late January 
K-State Sorghum Schools scheduled for early February 
Canola College 2016 in Enid, February 18 

543  January 8th, 2016    

Conventional soybean varieties for Kansas: Supply and performance 
New 2016 K-State Chemical Weed Control guide now available 
K-State Corn Production Management Schools scheduled for early January 
Cover Your Acres Conference, January 19-20 in Oberlin 
Kansas Agricultural Technologies Conference, January 21-22 in Junction City 
Canola College 2016 in Enid, February 19 
December 2015 weather in Kansas: Wet and warm 
Annual 2015 weather summary for Kansas: Warm and wet