COVID-19 Advisory. OSU Extension is here for you. We continue remote work and virtual programming while planning a phased return to on-site work.

Sam Angima

Sam Angima
Assistant Dean

Contact Sam Angima

Office Phone


Please answer this simple math question. We use it to help prevent SPAM entries from bots. Thank you!

2 + 18 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

Content by Sam Angima

Basics of Fall Cover Cropping for Hemp in Oregon

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

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

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. ...

Richard Roseberg, Silvia I. Rondon, Jay Noller, Valtcho Jeliazkov, Sam Angima | Aug 2019 | 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.

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

Liming Coastal Pastures

Nearly everybody involved in agriculture knows something about soil pH. Broadly, pH is a measure of the hydrogen ion concentration in soil solution which controls the overall suitability for root growth of any plant. Different ...

Sam Angima | Apr 2010 | Article

Measuring Soil PH

As the summer season winds down, it is time again to start planning for next year’s crop. One of the areas to do inventory is soil fertility. Soil pH is one factor that gauges your plant nutrition status. A single ...

Sam Angima | Jan 2011 | Article

Report ID:
Report ID: