Search OSU Extension

Showing 1 - 10 of 10 results.

Should I Worry about Heavy Metals in My Garden Soil?

What do we know about heavy metals in soil? What do we know about lead exposure through soil and garden plants? What do we know about cadmium and arsenic in soils? What can I do if I’m at risk for heavy metals in my garden soil?

Jul 2016 | Article

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

Phosphorus on the farm from feed grains and by-products

Phosphorus is an important plant nutrient for growing dairy forages. Unfortunately, many dairies have more phosphorus excreted and stored in manure than they can use during a crop year. Soils have the ability to store moderate ...

Troy Downing, Michael Gamroth | Mar 2004 | Article

Herbs and Vegetables in Oil - SP50-701

It’s important to keep food safety in mind when storing vegetables (such as garlic, mushrooms, chili peppers) or herbs in oil. These low-acid foods can be a source of Clostridium botulinum bacteria, which are found in soil, water, and air. This publication provides recipes and information on safe and proper storage.

Feb 2015 | Publication

Is my flooded garden area safe?

Q: Is it safe to plant a vegetable garden after the area was covered by polluted flood waters for three days? Is it safe to eat existing vegetables (kale, garlic, etc) that survived? Our well tests positive for coliform ...

A: View answer | View all featured questions

Are roadside blackberries safe?

Q: I live next to highway twenty, and perhaps because no one wants to pick on the side of a busy road, but that's where I find the biggest blackberries in town. However, I think the Department of Transportation may spray ...

A: View answer | View all featured questions

Spikeweed

Can spraying this weed at the right time keep it out of our fields?

Mary Corp | Oct 2018 | Article

Monitoring Grazing Lands in Oregon

Rangeland monitoring represents a critical tool in a successful grazing management program. This article describes the process of establishing an effective rangeland management and monitoring system.

Dustin Johnson | Feb 2020 | Article

Range improvements: tools and methods to improve cattle distribution

Uneven grazing distribution patterns on rangeland can lead to overuse of forage in some areas and no use or waste of herbage in areas not visited by cattle. Range improvements affecting more even distribution of grazing ...

David Ganskopp | Jan 2019 | Article

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