ARTICLES BY CEU

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

Integrated Pest Management

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

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

corn no-till planted into stubble

Corn establishment and yield response to after-market closing wheels in a rye cover crop system

March 20, 2026

Soil & Water Management

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

Quantifying crop water use, generally referred to as evapotranspiration, or ET, can be very important to agricultural water management. Illustration courtesy of USGS.

Evapotranspiration terminology for agronomists and mesonets

April 1, 2026

Photo by Deepak Ghimire.

Practical drone tools for water management: Choosing the right system, sensors, and workflow

March 30, 2026

Nutrient Management

Polyhalite is a naturally occurring evaporite mineral composed of potassium (K), calcium (Ca), magnesium (Mg), and sulfur (S) in sulfate form [K₂Ca₂Mg(SO₄)₄·2H₂O].

Polyhalite best management practices

March 26, 2026

Webinar: The High Cost of Inefficient Nitrogen

Considering a Career as a CCA?