Agronomy News August 2023 newsletter cover
Updated: August 8, 2023

August 2023  |  Volume 14, Issue 5

Time is Running Out for Postemergence Applications in Soybean

By Kurt Vollmer, Weed Management Specialist, University of Maryland Extension

Many may be preparing to apply certain postemergence herbicides to soybeans in the next couple of weeks. Those planning to spray Liberty (glufosinate) or Enlist One (2,4-D), should be aware that time is running out...Read more about Time is Running Out for Postemergence Applications in Soybean.

2022 Maryland Weed Control Results

Kurt Vollmer, Weed Management Specialist, University of Maryland Extension

Results from the 2022 Maryland Weed Control Trials are now available. These trials evaluate crop injury (PHYGEN) and herbicide efficacy (CONTRO) for certain weed species. This data can be used to...Read more about 2022 Maryland Weed Control Results.

2022/23 Maryland Wheat & Barley Variety Trials

By Vijay Tiwari, Assistant Professor, Department of Plant Science and Landscape Architecture, University of Maryland, College Park

Results from the 2022/23 University of Maryland wheat and barley variety trials have been published. You can access the report at or by clicking the link below, or contact your Extension office for a copy. Downloadable Report

New Nutrient Management Details Revealed

Maryland Department of Agriculture and University of Maryland joint press release

The Maryland Department of Agriculture (MDA) held a much anticipated Nutrient Management plan writing summit on Monday, July 17 at Anne Arundel Community College to present the overview of the re-imagined and improved nutrient management program. Following a June 1st announcement by MDA of changes to the way plans are written as well as listening sessions held throughout the State in the weeks following, MDA and the University of Maryland (UMD) have made the joint decision to reevaluate and reframe how the program...Read more about the New Nutrient Management Details Revealed.

When Does Corn Rally in August?

Mark Townsend, Agriculture Agent Associate, University of Maryland Extension, Frederick County

All eyes have been on news headlines coming from the Black Sea for the last two to three weeks since the termination of the previous agreement between Russia and Ukraine. The escalation in the war between these two nations has seen drone strikes, missile engagements, and major...Read more about When Does Corn Rally in August?

Update: Public Release of Pesticide Incident Data

Niranjana Krishnan, Assistant Professor and Maryland Pesticide Education Coordinator, University of Maryland, College Park

In July 2023, the EPA posted 10 years (2013-2022) of pesticide incident (see glossary) data on its website. This was done to increase transparency and provide a better understanding of pesticide exposures, including exposures to vulnerable...Read more about Public Release of Pesticide Incident Data

4R Symposium

The 4R Symposium will take place at Cecil Community College on August 31, 2023. The event will open its doors at 8:30 AM, with the first speaker at 9:00 AM. Attendees will hear from presenters until lunchtime covering the 4Rs of farming - applying the RIGHT source of nutrients, at the RIGHT time, in the RIGHT place, and at the RIGHT rate. We will offer continuing education credits for Certified Crop Advisers and Mid-Atlantic Nutrient Management. Lean more and register online here Register for 4R Symposium

  • University of Maryland Agronomy Faculty Directory

  • Maryland Regional Crop Reports

Download Agronomy News, August 2023, Vol. 14, Issue 5 (pdf)

Agronomy News is a statewide newsletter for farmers, consultants, researchers, and educators interested in grain and row crop forage production systems. This newsletter is published by the University of Maryland Extension, Agriculture & Food Systems Agronomy Team every month during the growing season and will include topics pertinent to agronomic crop production. The subscription is free. 

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Andrew Kness
Agriculture Extension Agent University of Maryland Extension
3525 Conowingo Rd., Suite 600
Street, MD 21154
(410) 638-3255