Richard Roseberg

Director, SOREC

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Content by Richard Roseberg

What is Industrial Hemp?

Industrial hemp was grown as a commodity crop for decades until it was banned in the mid-1930s. Congress decriminalized the crop in 2018, sparking interest in it among growers in Oregon, where hemp can be grown successfully. The plant's uses and restrictions, as well as many frequently asked...

By Richard Roseberg, Silvia Rondon, Jay Noller, Valtcho Jeliazkov, Sam Angima | OSU Extension Catalog

Soil, Seedbed Preparation and Seeding for Hemp

Growers planting a successful commercial crop of hemp for seed, fiber, or resin will follow these guidelines for soil preparation, seeding, and irrigation.

By Richard Roseberg, Valtcho Jeliazkov, Sam Angima | OSU Extension Catalog

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 water than comparable forage crops. Learn how much to apply and when to apply it.

By Richard Roseberg, Brian Charlton | OSU Extension Catalog

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 settings for wheat production; fall and spring nutrient management; and postharvest...

By Richard Roseberg, Nicole Anderson | OSU Extension Catalog

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.

By Clinton Shock, Richard Roseberg, Brian Charlton | OSU Extension Catalog

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