ARTICLES BY CEU

CEU categories: Crop Management, Nutrient Management, Soil & Water Management, Integrated Pest Management, Sustainability, and Precision Ag

Soil & Water Management

Soil health principles in Iowa

June 3, 2026

Top: Drone map of a cotton field. Source: Chang et al. (2020): https://doi.org/10.1155/2020/8899325. CC BY 4.0: https://creativecommons.org/licenses/by/4.0/. Bottom: The value comes when you connect maps like the one above to irrigation scheduling, variable-rate irrigation, and in-season input decisions. Photo of irrigated cotton field courtesy of Wikimedia Commons/Alabama Extension. CC0 1.0: https://creativecommons.org/publicdomain/zero/1.0/deed.en.

Turning drone maps into profit: Targeted irrigation, reduced risk, and smart in-season decisions

April 30, 2026

Integrated Pest Management

Left: Tobacco thrips (A) and western flower thrips (B) (Photo courtesy of Huseth et al., 2019). Right: Young cotton with and without thrips protection in the early season. Photo by Joshua Lee.

Utilizing ThryvOn cotton technology under high thrips pressure

June 3, 2026

Photo courtesy of Adobe Stock/Polivan.

Herbicide programs for control of a five-way herbicide resistant waterhemp population in Xtendflex or Enlist E3 soybean

June 1, 2026

Adoption of Delta T values as a spray decision support tool is increasing in the arid parts of the Northern Great Plains. Delta T values have been reported in North Dakota since about 2022 and are now being reported as well in Manitoba. This screenshot is from May 1, 2026.

Delta T: A new tool to make every spray drop count

May 7, 2026

A sweep net is essential for monitoring cabbage seedpod weevil adults, whose larvae later feed on developing seeds of canola and brown and wild mustards.

Weevils galore: Monitoring and management of weevils in field crops

May 5, 2026

Crop Management

Well-colored fruit.

Coloring in crop management

May 11, 2026

Agronomy for dairy systems: Managing crops, nutrients and whole‑farm interactions

Agronomy for dairy systems: Managing crops, nutrients, and whole‑farm interactions

May 4, 2026

Photo courtesy of Wikideas1.

Tighter margins, smarter inputs

April 28, 2026

Establishment strategies for native warm-season grasses: Organic and conventional approaches

Establishment strategies for native warm-season grasses: Organic and conventional approaches

April 24, 2026

Certified Crop Adviser Exam Registration

Certified Crop Adviser Exam Study Tools & Resources