Agronomy eUpdate March 2nd, 2023

Issue 945

Marestail in soybeans: Strategies for the best control

Controlling marestail in soybeans continues to be a big challenge for Kansas no-till producers. Application timing and weed size are critical factors for successful control of this weed that germinates in the fall or early spring. Marestail that does survive over winter is often robust and can be difficult to control with herbicides, especially later in the spring.

soybeans weed control marestail horseweed 

Tips for safe and successful prescribed burning this spring

The prescribed burning season in Kansas has started. This article discusses reasons for conducting a prescribed burn and ways to have a safe and successful prescribed burn when much of the state in a heightened state for wildfires. There are also some online tools and resources that will be useful when planning a prescribed burn.

prescribed burning fire wildfire 

Optimal time to remove cattle from wheat pastures: First hollow stem

The unique climate characteristics of the Southern Great Plains allow producers to use wheat as a forage and grain crop. Date of grazing termination is an important factor in determining wheat’s recovery potential and ability to produce grain. First hollow stem is the optimal time to remove cattle from wheat pastures to protect grain yield potential.

wheat dual purpose grazing first hollow stem 

First hollow stem update - March 2, 2023

Cattle should be removed from wheat pastures when the crop reaches first hollow stem. Grazing past this stage can severely affect wheat yields. The K-State Extension Wheat and Forages group measures first hollow stem on a weekly basis in 22 different commonly grown wheat varieties in Kansas. This is the first report for 2023.

wheat dual purpose grazing first hollow stem 

Wheat Variety Fall Forage Yield Comparison for 2022-23

Fall forage yield is an important aspect of dual-purpose wheat production. Differences among wheat varieties play a role in forage production potential. The K-State Wheat Production Group compares the forage yield of several commonly grown wheat varieties and upcoming lines. Results from these trials are summarized in this article.

wheat fall forage dual purpose yield results yield 

National Sorghum Yield Contest: A Summary for Kansas

This article contains information from the new KSRE publication MF3615 "National Sorghum Yield Contest: A Summary for Kansas". Five years of data were summarized (2013-2017) from the National Sorghum Yield Contest with a focus on Kansas entries. Different management practices impacted sorghum yields in varying magnitudes.

sorghum grain sorghum publication yield estimates Sorghum Yield Contest 

K-State Plant Disease Diagnostic Lab: Changes to Services and Fee Schedule

The K-State Plant Disease Diagnostic Lab has added new diagnostic services and updated the fee schedule. In order to maintain the quality of our services, some fees have increased in 2023. This is primarily due to increased costs of materials and labor, but is also a reflection of our new services. Learn what has changed in this article.

Plant Disease Diagnostic Lab 

Soil Pit Field Day set for March 24

A farmer-led Soil Pit Field Day is set for March 24 from 10:00 am to 2:00 pm near Westmoreland, Kansas. Participants will visit three soil pits on three differently managed field to answer the question, “What is really going on down there?”. Featured speakers include DeAnn Presley, K-State soil management specialist, and Will Boyer, K-State watershed specialist.

soil Field Day 

Wheat Rx Schools scheduled for early March

Get registered to attend of the two Wheat Rx schools coming up on March 7th and 8th. The speakers and topics have been finalized. Each school will feature the most up-to-date wheat research on how to manage your wheat crop not only for yield but also for quality and sustainability, as well as industry partners sharing how growers can capitalize on high protein wheat.

wheat Wheat Rx  

K-State Crop School on growing crops in volatile conditions - March 8 in Wamego

Growing crops in volatile conditions will be the focus of a crop school sponsored by K-State Research and Extension on Wednesday, March 8, 2023, from 1:30 pm – 7:00 pm in Wamego, Kansas. Topics covered include weed management, tar spot in corn, Kansas Mesonet tools, BMPs for phosphorus loss, and more!

meeting crop school