- 4-H1
- Australia1
- DuckDuckGo1
- Europe1
- Google1
- Illinois, USA2
- Indiana, USA1
- Iowa, USA2
- Kansas, USA2
- Michigan, USA1
- Minnesota, USA1
- Missouri, USA✖[remove]43
- Nebraska, USA2
- North Dakota, USA1
- Ohio, USA1
- South Dakota, USA1
- USA (United States of America; North America)1
- Wisconsin, USA1
- agribusiness1
- agricultural1