Agronomy eUpdate April 8th, 2021

Issue 849

Pre-emergence herbicides for grain sorghum

With few post-emergence herbicide options for control of grass species and Palmer amaranthl in grain sorghum, having an effective pre-emergence herbicide program is very important. Learn more about the different soil-applied residual herbicides in this article.

grain sorghum weed control pre-emergence residual herbicides 

First hollow stem update: April 8, 2021

This is the last first hollow stem update for this wheat growing season. All varieties in the K-State trials have reached first hollow stem. Make sure to remove cattle from grazing to avoid yield losses when wheat has reached this stage.

wheat dual purpose grazing first hollow stem 

Key nutrients for soybean production in Kansas

Soybeans, particularly high-yielding varieties, remove significant amounts of available soil nutrients per bushel of grain harvested. As the crop matures, adequate amounts are needed in each growth stage. Learn which nutrients are the most critical to soybean production in Kansas.

soybeans soil fertility nutrients 

Kansas Mesonet adds a new tool for tracking days between rainfall events

The Kansas Mesonet is always working to expand its "toolbox" for Kansas farmers and other agricultural professionals. They have released a new feature that tracks the number of days since a rainfall event. This information will prove useful for monitoring the activation of chemicals, assessing crop performance, and more.

weather Mesonet rainfall tool drought monitoring 

Insect activity report for Kansas - Alfalfa weevils and pea aphids

Get the latest update on the activity of alfalfa weevils and pea aphids in this article from Extension Entomologist Jeff Whitworth. Learn how to estimate the level of infestation and when a treatment threshold has been reached.

insects pea aphids alfalfa weevils 

Kansas Ag-Climate Update for March 2021

The Ag-Climate Update for March is here! The month of March started out dry for most of the state, but by the end had rebounded to being well above average for all regions. What will April bring? Read this update to find out!

weather Climate March 

Commercial applicator training offered in April

The Kansas State Pesticide Safety Program is providing a training opportunity this April for several of the categories to help individuals renew their license. This training will be offered in a virtual format via Zoom.

application training virtual pesticides