ARTICLES BY CEU

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

Soil & Water Management

Pipeline Installation on a farm. Photo courtesy of Adobe Stock/RGtimeline.

How Pipeline Installations Impact Agricultural Fields and Landowners

January 1, 2024

Figure 1. An example of (a) vertical pH distribution across five farms (Jones et al., 2019) and (b) horizontal pH distribution across a 50-ac grower’s field near Billings, MT (courtesy Paul Nugent).

Lime Management to Increase Soil pH in Semi-Arid Regions of the U.S.

January 1, 2024

Barley–lentil (left) and barley–pea (right) alternate-row intercropping at the University of Idaho, Aberdeen Research and Extension Center. The seeding rate is 800,000 seeds/ac and 400,000 seeds/ac for monoculture and intercropping barley, 174,089 seeds/ac for intercropping pea, and 263,157 seeds/ac for intercropping lentil. No N fertilizers were applied in 2020 or 2021.

Barley–Pulse Intercropping Improves Resource Use Efficiency and Soil Health

November 22, 2023

Crop Management

Photo courtesy of AdobeStock/Kenneth Keifer.

The Corn Chronicles: Knowing Corn’s Past Helps Next Season’s Hybrid Selection

January 1, 2024

Long-term winter wheat–winter pea cover crop plots, which replaced long-term winter wheat–fallow plots at the Columbia Plateau Conservation Research Center, located 9 mi northeast of Pendleton, OR.

Winter Wheat Response to Winter Pea Cover Crop Under Dryland Cropping

January 1, 2024

Integrated Pest Management

Opposite page: As stem nematodes feed, they produce enzymes and plant hormones that cause symptoms including yellowish, shortened stems; shortened internodes; and swollen buds that don’t elongate. Photo by Vernon L. Marble, courtesy of the UC Statewide IPM Program.

Managing Alfalfa Stem Nematode in the West

November 17, 2023

Crucifer and striped flea beetles feeding on canola. Photo by Priyanka Mittapelly, University of Alberta.

Damage Control: Managing Canola’s Worst Enemy on the Canadian Prairies

November 7, 2023

Ryegrass showing the honeydew stage of the ergot fungus Claviceps purpurae in the field. Photo by Howard F. Schwartz, Colorado State University, Bugwood.org.

Ergot in Pacific Northwest Grass Seed Crops

November 3, 2023

Nutrient Management

Figure 1. The five interconnected aims of responsible plant nutrition and six key actions to take (SPRPN, 2020).

What Is a 4R Plant Nutrient?

November 15, 2023

Sustainability

Perejiti Bekewe demonstrates a LI-COR unit to Cornell Cooperative Extension Educator Katelyn Miller and SWCD employee Brian Hall at the Cornell Field Crop Annual Field Day on the research farm in Aurora, NY.

Measuring Greenhouse Gases in Dairy Soils: Innovative Technologies to Advance In-the-Field Research

November 13, 2023

Certified Crop Adviser Exam Registration

Certified Crop Adviser Exam Study Tools & Resources