Weed Management

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.

This Week on N Field: Precision Sprayer

June 7, 2024

Extension Weed Management Specialist Amit Jhala shares details about a new John Deere precision sprayer, which has the ability to detect weeds and spray herbicide in real-time.

Harvested alfalfa falls from combine — First cutting of alfalfa is a great time to assess your field conditions — producers should take time to scout for disease, insects, weeds and other issues that may need corrective action.

Pasture and Forage Minute: Alfalfa Harvest Checklist, Managing Pasture Weeds After Drought

June 6, 2024

It's time for first cutting of alfalfa, which is a prime opportunity to assess field condition. Keep these factors in mind during harvest to get ahead of crop issues.

Leafy spurge closeup — Leafy spurge spreads aggressively and is difficult to control once established. Several herbicides are labeled for control of this weed, but continued monitoring and retreatments are necessary for best results.

Pasture and Forage Minute: Controlling Leafy Spurge and Alfalfa Weevil, Planting Warm-season Annuals

May 28, 2024

Strategies for reducing spread of leafy spurge and scouting for alfalfa weevil, plus insights on selecting and planting warm-season annuals.

This Week on N Field: Adjuvants with Pre-emergence Herbicides

May 23, 2024

Nebraska Extension Weed Management Specialist Amit Jhala offers advice to growers on using labeled adjuvants with pre-emergence herbicides for better results with weed control.

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