Mid-West Center for Research, Extension and Research Student Wins National Recognition for Research | Latest titles

Telegraph Staff Reports

A doctoral student from the West Central Research Extension and Education Center in North Platte placed second in agronomic crop poster presentations at the 75th Annual Meeting of the Western Society of Weed Science in Newport Beach, Calif., in March .

Milos Zaric specializes in weed science at WCREEC. Zaric’s research focuses on the possible negative impacts on industrial hemp of herbicide drift from nearby corn and soybean fields.

The 2018 Farm Bill recognized industrial hemp as a legal crop. Allowing this crop to be grown for a variety of purposes (fiber, grain, hemp oil, cannabinoids, etc.) has resulted in an increase in the acreage of industrial hemp grown in the United States.

However, the placement of industrial hemp fields in areas adjacent to soybean and corn fields has raised questions about the hemp’s susceptibility to off-target movement of herbicides commonly applied in these crops, according to Zaric’s research.

As expected, nozzle design influenced herbicide drift. Overall, the greatest sensitivity of industrial hemp was observed for spray drift of glyphosate, glufosinate, and mesotrione.

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Establishing industrial hemp fields adjacent to herbicide-tolerant crops such as corn and soybeans in the high plains is high risk. The results of this study can be used to expand current knowledge and recommend the use of additional drift mitigation techniques and buffer zones to avoid economic losses.

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