Weed Management

People gather at field's edge to listen to presentation — Attendees gather to listen to a presentation during a past South Central Agricultural Laboratory Field Day. Presentations during the 2024 SCAL Field Day will include technologies for irrigation scheduling, corn and soybean disease updates, optimizing nitrogen use efficiency via sensor-based fertigation, and more. (Department of Agronomy and Horticulture photo)

South Central Agricultural Lab Field Day Kicks Off Aug. 8

July 25, 2024

This year's SCAL Field Day features a live demonstration of John Deere's new camera-based weed detection technology, See and Spray™.

Bale in field of stubble — When preparing to harvest summer annual grasses, remember this mantra for best results: "Cut it early, cut it high, crimp the stems and they will dry."

Pasture and Forage Minute: Forage Harvest, Pasture Rental Rates and Controlling Yucca

July 24, 2024

Considerations for harvest of slow-to-dry summer annual grasses, setting 2024 pasture rental rates, and controlling yucca on Nebraska rangelands.

People gather at field border to hear presentation — Amit Jhala discusses a project titled "Critical Time of Cereal Rye Termination for Better Palmer Amaranth Suppression After Corn Planting."

Weed Control in Corn and Soybean Topics of Field Day

July 11, 2024

The 2024 Weed Management Field Day highlighted the latest extension research, including recommendations on pre-emergence herbicides for Palmer amaranth in soybean and herbicides for herbicide-resistant weeds in corn.

This Week on N Field: Interseeding Barley or Oat in Soybean for Weed Suppression

July 3, 2024

Weed Management Specialist Amit Jhala discusses the benefits of interseeding cereal cover crops in soybean for weed control.

This Week on N Field: Importance of Early Season Weed Control in Corn

June 21, 2024

For growers who were not able to apply pre-emergence herbicide at corn planting, several herbicide options are available for early post-emergence herbicide application in corn.

Grasshopper on plant leaf — While grasshoppers are considered damaging to rangeland and crops, only a handful of Nebraska’s species have been known to cause damage. Correct identification of these species’ nymphal developmental stage will improve results from insecticide applications. See the Grasshopper Pest Management page for identification resources.

Pasture and Forage Minute: Management Considerations for Grasshopper, Poison Hemlock and Yucca

June 20, 2024

Economic thresholds of grasshoppers have been observed in some Nebraska pastures — review the square foot method and insecticide options to begin scouting and control measures.

This Week on N Field: Precision Sprayer Part 2

June 13, 2024

Extension Weed Management Specialist Amit Jhala goes into depth on the advantages of the new John Deere precision sprayer's dual tank system.

Cattle stand in pasture below thunderstorm — Despite their resiliency, perennial forages can experience significant yield loss from hailstorms. Damage assessment and timing are key to the recovery process for pastures and hay fields.

Pasture and Forage Minute: Hail Damage to Pasture and Hay, Alfalfa Irrigation After a Wet Spring

June 11, 2024

Extension recommendations on reducing the risk of toxic plant consumption for grazing animals, hail damage recovery for pasture and hay fields, and summer alfalfa irrigation following a wet spring.

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