Weed Management

SCAL weed management day
Nebraska Extension Weed Management Specialist Amit Jhala (at far left) will once again lead dscussion on weed management practices in Nebraska during this year's Weed Management Field Day, which is free and open to the public.

Nebraska Extension Weed Management Field Day June 28 at South Central Agricultural Laboratory

April 27, 2023
The free field day will include on-site demos of new technology and new herbicides for corn, soybean, popcorn and sorghum, as well as herbicide-resistant weed control options with various herbicide programs.

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Palmer amaranth
Palmer amaranth interference in a dry edible bean field.

PREEC Battles Growing Palmer Amaranth Problem

April 26, 2023
Panhandle researchers are conducting 16 field trials this year to test six new herbicides and various management strategies to help producers control surging Palmer amaranth populations in sugarbeets and dry beans. 

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Irrigated alfalfa
For maximum season production, the first alfalfa cutting typically requires six to seven inches of water — if soil profiles are currently very dry, spring irrigation should be considered.

Pasture and Forage Minute: Early Season Alfalfa Irrigation, Trigger Dates and Weed Control

April 19, 2023
This week — Strategies for irrigating alfalfa in early season dry soil conditions, grazing to control abundant weed growth due to drought and forming a drought plan.

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Alfalfa field
Early spring is a good time to evaluate alfalfa stands to assess reseeding needs, and begin control measures on winter annual weeds like pennycress, downy brome and cheatgrass to get the best quality out of your first cutting of alfalfa.

Pasture and Forage Minute: Alfalfa Weed and Stand Management, Grazing Winter Annuals

April 10, 2023
This week — Tips on controlling winter annual weeds for optimum first cutting hay quality, evaluating alfalfa stands with a hay square, and grazing rye, winter wheat and triticale during a cool start to spring.

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Alfalfa field
Spring is a critical time to control weeds in alfalfa, as weeds grow faster than stressed alfalfa, leading to thin stands, weakened plants and lower yields.

Pasture and Forage Minute: Increasing Alfalfa Productivity with Grass Mixtures, Spring Weed Control

March 9, 2023
Interseeding cool-season perennial grasses into alfalfa and applying herbicides in early spring are reliable methods of improving alfalfa production and health this growing season.

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Manure truck

Managing Weed Seeds in Manure

December 9, 2022
Weed seeds in manure can be problematic when they result in overgrown, weedy fields after manure application. Luckily, there are some measures that reduce the viability of those weed seeds.

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Dead Palmer and kochia weeds

Wiping Paraquat as a Rescue or Salvage Treatment in Sugarbeet

November 9, 2022
To manage glyphosate-resistant Palmer in low-growing crops like sugarbeet, wipers filled with paraquat can be adapted by using the right speed, wiper height and wiper saturation.

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Yucca plants
If yucca covers too much rangeland to effectively control with herbicides, winter grazing can reduce its impact without compromising your grasses.

Pasture and Forage Minute: Yucca Control and Fall Irrigation

October 24, 2022
Extension educators explain why winter grazing can be an effective tool to reduce yucca stands in rangeland and how to plan late fall irrigation in winter annual crops.

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