This Week on N Field: Hairy Vetch Termination for Weed and Nitrogen Management

September 4, 2026

Purple hairy vetch flowers in a field, with text promoting nitrogen management research.
Researchers return to the popcorn field for an update on how hairy vetch termination and herbicide treatments are affecting Palmer amaranth control and crop stands.

This growing season, Nebraska researchers are testing whether hairy vetch can suppress Palmer amaranth while providing nitrogen to popcorn. In this episode of N Field Observations, Nebraska Extension Weed Management Specialist Amit Jhala and UNL Graduate Research Assistant Sai Suvidh Maddela return to the field to show how different cover crop termination and herbicide treatments are affecting weed control and popcorn stands.

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A product of Nebraska Extension, N Field Observations is a weekly podcast where UNL professionals share their field observations in brief segments, highlights specific topics and issues occurring in agriculture.

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