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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

Sheet mulching — aka lasagna composting — builds soil, saves time

Sheet composting, also referred to as lasagna composting or sheet mulching, is a cold composting method used by people around the world for generations. It is an excellent way to convert grass to vegetable beds, create new ...

Jan 2013 | Article

Bareroot Shade, Flowering, and Fruit Trees (Willamette Valley) Fertilizer Guide

This guide can serve as a starting point for development of nutrient management guidelines for Oregon growers. Recommendations in this guide are based on research performed in the Willamette Valley with other cropping systems and ...

Dan Sullivan | Oct 2010 | OSU Extension Catalog

Three methods for no-turn cold composting

Recycling organic debris for composting and improving soil doesn’t have to be a chore! If hot composting is not for you, try one of these easy cold-composting methods. Each has advantages and disadvantages but the end result is the same: improved garden soil and less organic waste in landfill.

Jul 2017 | Article

Growing Tree Fruits Successfully

Selecting and preparing the site and soil, irrigation, rootstocks and varieties, planting, pruning and thinning fruit, pest management, and maintenance schedule.

Jun 2018 | Presentation

Fertilizing fruit trees

Fruit trees like apples, pears and prunes generally need fertilizer. Learn how to match your orchard's needs with the macronutrients the soil can provide.

Steve Renquist | May 2018 | Article

Fruit recommendations for Central Oregon

Q: Could you offer some proven winners that have succeeded in Bend's climate/conditions? These could be fruit trees, fruiting vines, hardy plants, or shrubs. Any named varieties that have been particularly successful? Edibility is a ...

A: View answer | View all featured questions

Cherry tree grafting, how and when?

Q: The top (grafted part) of our dwarf cherry tree died. We have other cherry trees and would like to graft a new top on it. What is the best type of graft to make?

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Can a pluot pollinator be plum or apricot?

Q: I have a Flavor Supreme pluot. The year before last it had a lot of fruit. I do not have a pollinator for it, but the neighbor's have a plum. Last year it had only a few fruits. I want to get a pollinator. ...

A: View answer | View all featured questions

Planting and caring for a fruit tree

Planting a new fruit tree? Dig a big hole, wait to apply fertilizer and keep an eye on pests. Here are more quick tips for taking care of your transplanted tree.

Steve Renquist | May 2015 | Article