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. ...

Valtcho Jeliazkov, Jay Noller, Sam Angima, Silvia I. Rondon, Richard Roseberg, Gordon Jones | Aug 2019 | OSU Extension Catalog

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

Richard Roseberg, Valtcho Jeliazkov, Sam Angima | Aug 2019 | OSU Extension Catalog

With careful management, cover crops can provide multiple benefits for hemp production systems.

Gordon Jones, Valtcho Jeliazkov, Richard Roseberg, Sam Angima | Sep 2019 | OSU Extension Catalog

Hemp cultivation in Oregon is expanding, but growers need to be aware of the problems associated with unwanted pollination. Find out why it's vital that farmers coordinate with their neighbors to ensure a healthy hemp crop.

Lloyd Nackley, Kristine Buckland, Richard Roseberg | Feb 2020 | OSU Extension Catalog

Laboratory soil tests help you develop your soil and increase crop production by providing information on available nutrient content. Soil testing helps you select the correct kind and amount of fertilizer and liming material. ...

Melissa Fery, Jeff Choate | Oct 2018 | OSU Extension Catalog

This publication provides an overview of soil testing and general guidelines for interpreting soil test results for nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, zinc, copper, manganese, iron, molybdenum, chloride, ...

Dan Sullivan | Jul 2011 | OSU Extension Catalog

This video demonstrates the best ways to identify a plant or weed. It covers the process of photographing and collecting the plant and then how to narrow down and establish the plant's category. It explains how to use a field guide and a dichotomous key to identify a plant.

Silvia I. Rondon, Mary Corp, Stuart Reitz | Jul 2015 | OSU Extension Catalog