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Articles Tagged with ''post-emergence''

Options for Late-Season Herbicide Application in Corn

By Sarah Lancaster posted on June 28, 2024 | Posted in Crop Protection

Some questions have recently come in looking for herbicide options for corn in later vegetative stages. Adequate pre-emergence herbicides were applied; however, excessive rainfall and sandy soils resulted in weed emergence.

U. Minn. Offers Tips For Pre-Emergence Herbicide Application

May 4, 2022 | Posted in Crop Protection, Seeding & Planting

Source: University of Minnesota Extension

Preemergence herbicides can aid in the control of troublesome weeds such as waterhemp and giant ragweed. They can also result in lower weed densities and a more uniform weed height at the time of postemergence herbicide application, aid in the management of herbicide-resistant weeds, and ultimately help protect crop yield potential and profitability.

Strategies for Control of Marestail in Soybeans

February 12, 2018 | Posted in Crop Protection, Seeding & Planting

Source: K-State Research and Extension

Research has shown that up to 80% of marestail can die over the winter as a result of cold temperatures.

Why It Doesn't Matter if Acuron is Better than Lexar on Giant Ragweed

November 25, 2015 | Posted in Crop Protection

Source: Ohio State University Extension

Ohio State University Extension explains why effective control of giant ragweed requires a combination of pre and post herbicide treatments.

Pre-Emergence Herbicide Programs for Corn

March 3, 2015 | Posted in Crop Protection

Kansas State University Extension provides the different pre- and post-emerge herbicide options for no-till corn and which are most effective for specific weeds.

Waterhemp Problems Spread To Indiana

September 30, 2011 | Posted in Crop Protection

Source: By Bill Johnson and Glenn Nice, Purdue Weed Science, Purdue University

Waterhemp has been present in Indiana field surveys for at least the last 10 years but recent control issues with glyphosate is moving this weed up on the radar of concern for Indiana growers.

When Can Soil-Residual Soybean Herbicides Be Applied?

June 10, 2011 | Posted in Crop Protection

Source: Rich Zollinger, North Dakota State University

If a certain number of days have elapsed since planting or if soybean plants have begun to emerge, proceeding with the planned application depends on the herbicide.

Consider Volunteer Corn Issues Following Severe Hail Events

October 25, 2010 | Posted in Crop Protection

Source: University of Nebraska-Lincoln

Recent severe hail events in parts of Nebraska have left some fields with tremendous yield loss from hail stones beating down corn plants, knocking ears from plants, or shelling seed from the cob.

Don't Apply All Residual In The Fall

October 6, 2009 | Posted in Crop Protection

Multiple years of OSU research on fall and spring no-till herbicide treatments have consistently shown that the value and effectiveness of residual herbicides for soybeans is maximized when they are applied in the spring, not the fall.

Frank Comments

Dry Weather Weed Lessons

By Frank Lessiter posted on September 1, 2007 | Posted in Crop Protection, Water Management

With severe dry weather hitting some areas of the Corn Belt this year, a number of no-tillers have voiced concerns about the effectiveness of post-emergence herbicide applications in both no-tilled corn and soybeans.

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