By Scout Nelson
Weed management remains a major challenge for farmers as weeds compete with crops for water, sunlight, nutrients, and space. Herbicides help control unwanted plants, but herbicide resistance is making some chemical treatments less effective.
At the same time, new technologies, including camera-guided sprayers, laser weeders, electric weeders, and autonomous machines, offer new ways to manage weeds. Researchers at the University of Nebraska–Lincoln are conducting a survey to learn how farmers and agricultural professionals view these tools and what support they need.
The survey involves Debalin Sarangi, Extension Weed Scientist at the University of Minnesota; Ankit Yadav, Weed Science Graduate Student at the University of Nebraska–Lincoln; and Amit Jhala, Extension Weed Management Specialist at the University of Nebraska–Lincoln. Their goal is to understand real-world weed control challenges and use feedback from agricultural professionals to help guide future research and Extension education programs.
Why Weed Management Research Matters
Herbicide resistance develops when weeds survive treatments that once controlled them and continue to grow and spread. Over time, this can reduce the number of effective chemical options available to farmers. Managing resistant weeds may require different herbicides, changes in application methods, crop rotation, and other control practices.
New weed control technologies may help farmers manage these problems. However, their usefulness depends on how well they work under field conditions, their cost, and whether they fit into existing farm operations.
The University of Nebraska–Lincoln survey gives farmers, crop consultants, and other agricultural professionals an opportunity to share their experiences. Their responses can help researchers focus on the problems that matter most to people working in agriculture.
Exploring New Weed Control Technologies
The survey examines several emerging tools that may improve weed control.
Camera-guided spraying systems use cameras and digital tools to identify weeds and apply herbicides where they are needed. This targeted approach may reduce unnecessary chemical use and help farmers manage input costs.
Laser weeders use focused energy to damage unwanted plants, while electric weeders use electrical energy to control weeds without relying on herbicides. Autonomous machines can carry out certain field tasks with limited direct human control.
Participants are asked about their awareness of and interest in targeted spraying systems, including See & Spray and Ecorobotix ARA. They can also share their views on laser and electric weed control methods and the possible role of these technologies in modern farming.
These tools may provide additional options, but farmers need clear information about their performance, cost, reliability, and value before deciding whether to use them.
What the Survey Covers
The survey focuses on several important areas of weed management:
- Difficult weeds: Participants identify weeds that are hard to control, and those they suspect may have developed herbicide resistance.
- Precision spraying: Respondents share their awareness of and interest in camera-guided spraying systems and other targeted application tools.
- Non-chemical methods: The survey explores opinions about laser weeders, electric weeders, and other alternatives to chemical control.
- Costs and herbicides: Participants provide their views on herbicide use, treatment costs, and resistance management.
- Research priorities: Respondents identify the topics and questions they want university researchers and Extension programs to address.
The answers can help researchers understand which technologies deserve more attention and what information agricultural professionals need to make sound weed management decisions.
Who Can Take Part
The survey is open to people age 19 or older who are involved in farm operations, crop scouting, crop consulting, or agribusiness decision-making. Farmers and agricultural professionals in Minnesota and other areas are encouraged to participate.
Completing the survey takes about 10 to 12 minutes. Participation is voluntary, and responses are anonymous. The survey does not collect names or identifying information. Participants may skip any questions or stop taking the survey at any time.
Researchers plan to share the results with the agricultural community and publish findings that can benefit the wider industry. The information will help guide future weed science research and Extension programming so that these efforts reflect the needs and concerns of people managing weeds in the field.
How to Participate
Eligible participants can complete the survey online using this link:
https://unlcorexmuw.qualtrics.com/jfe/form/SV_1M1DFAe64HsUmYC
Participants can also scan the survey's QR code with a phone camera to open the online questionnaire.
For questions about the survey, contact Amit Jhala, Extension Weed Management Specialist at the University of Nebraska–Lincoln, at amit.jhala@unl.edu.
The study has been reviewed by the University of Nebraska–Lincoln Institutional Review Board under reference number 20260725919EX. Questions about the review can be directed to 402-472-6965 or irb@unl.edu.
Photo Credit: University of Minnesota
Categories: Nebraska, Crops, Sustainable Agriculture