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The ABCs of NPK: A fertilizer guide

Nitrogen, phosphorus and potassium aren't just an alphabet soup of chemicals. They are essential plant nutrients that, when used correctly, help to grow a healthy garden. Learn what fertilizers to apply when in this handy guide.

Lisa Ehle | Jun 2018 | Article

Different varieties of strawberries require different care

To successfully grow strawberries in a home garden, understanding the needs of particular cultivars is possibly the biggest challenge for long-term fruit production. Not all strawberries are cared for the same way.

Nicole Sanchez | Aug 2020 | Article

Greenhouse tomato production in Oregon

Tomatoes are the most commonly produced greenhouse vegetable crop. Although greenhouse promoters claim each plant can produce 30 or more pounds of marketable fruit per year, that level of production is only possible with very ...

Apr 2002 | Article

Lawn maintenance calendar for Central Oregon

Properly timed maintenance is the key to having a nice lawn. Watering, mowing, fertilizing or dethatching at the wrong time yields poor results. Here's how to maintain a healthy lawn in Central Oregon.

Amy Jo Detweiler, Tom Cook, John Whisler, David Wienke | Jun 2002 | Article Peer reviewed (Gray level)

Range improvements: Tools and methods to improve cattle distribution

Uneven grazing patterns on rangeland can lead to overuse of forage in some areas and no use or waste in areas not visited by cattle. Range improvements that promote more even grazing can increase pasture carrying capacity and...

David Ganskopp | Jan 2019 | Article Peer reviewed (Gray level)

Pasture Nutrient Management Resources for Small Farms

This collection of links and publications are compiled information about managing nutrient levels in your pasture. This includes soil testing and assessment, application of fertilizers and minerals, and nutrient cycling in a forage pasture.

May 2017 | Collection

Thinning: An important forest management tool

Thinning is the term foresters apply to removal of some trees from a stand to give others more room (and resources) to grow. It is a tool for improving timber value, making sites more productive, and — perhaps most ...

John Punches | Sep 2004 | Article

Starting a lawn from scratch?

Q: We are finally moving into our new home. Due to construction issues (lack of water and vehicle damage), most of the grass has died back and there are areas of just dirt. Also, we have dogs. Is there any variety of ...

A: View answer | View all featured questions

Organic farmers save money on fertilizer with OSU Extension tool

The OSU Organic Fertilizer and Cover Crop Calculator helps farmers estimate nitrogen release from cover crops and the cost of managing cover crops.

Dan M. Sullivan, Nick Andrews | Mar 2022 | Impact story