Richard Roseberg

Retired

Content by Richard Roseberg

OSU hemp crop production research update

Oregon State University faculty affiliated with the Global Hemp Innovation Center are finishing their hemp plantings for various research purposes. Three OSU research and extension centers are conducting production research. Here is a...

Govinda Shrestha, Everald McLennon, Stephen Baluch, Richard Roseberg, Don Wysocki | Jun 2023 | Article

What is the optimum spacing for hemp plants?

What is the optimum number of hemp plants per acre? The answer depends on what it's being grown for. Fewer plants produce more prized colas or clusters of buds, while denser plantings yield more extractable cannabinoid.

Richard Roseberg | Jun 2022 | Article

Teff: A New Warm-Season Annual Grass for Oregon

Describes characteristics and growing requirements of teff (Eragrostis tef [Zucc.], Poaceae) as a hay and forage crop in Oregon. Discusses hay quality and use; yields and varieties; and how to plant, fertilize, irrigate, cultivate, and harvest teff.

Steve Norberg, Richard Roseberg, Brian Charlton, Clinton Shock | Mar 2021 | Extension Catalog publication Peer reviewed (Orange level)

Soft White Winter Wheat (Western Oregon) Nutrient Management Guide

Gives nutrient and lime recommendations for soft white winter wheat in western Oregon. Also discusses: impact of diseases, such as take-all root rot, on crop yield; planting in poorly drained soil; soils and ...

John M. Hart, Michael D. Flowers, Nicole Anderson, Richard Roseberg, Neil W. Christensen, Mark E. Mellbye | Jul 2019 | Extension Catalog publication Peer reviewed (Orange level)

Teff Grass for Forage: Nitrogen and irrigation requirements

Teff is an ancient grain, made popular recently as more growers turn to teff for its high yields of high-quality hay. New research outlined here shows that teff requires less nitrogen fertilizer and irrigation ...

Richard Roseberg, Steven Norberg, Brian Charlton | Jun 2018 | Extension Catalog publication Peer reviewed (Orange level)

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