Search OSU Extension

Showing 1 - 8 of 8 results.

Peppermint (Western Oregon) Nutrient Management Guide

Nutrient management guide for peppermint in western Oregon.

Dan Sullivan, Andy Hulting | Dec 2010 | OSU Extension Catalog

Turfgrasses and Lawn Care in Eastern Oregon

Today, turfgrass is the single largest irrigated crop in the United States and covers three times the land area of any other cultivated crop. An estimated 40.5 million acres of grasses are planted in residential, commercial and...

Richard Smiley | Jan 2018 | Article

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

Japanese Beetle: A Pest to Watch for in Oregon

Japanese beetle (Popillia japonica) is an insect exotic to the US, which has previously established throughout parts of the East Coast, Midwest and South. Although small numbers of beetles have been trapped at the Portland ...

Heather Stoven, Rachel Suits | Oct 2017 | Article

Environmental Factors Affecting Plant Growth

Plant growth and geographic distribution are greatly affected by the environment. Either directly or indirectly, most plant problems are caused by environmental stress. Environmental factors that affect plant growth include light, temperature, water, humidity, and nutrition.

Ann Marie VanDerZanden | Jan 2008 | Article

How blueberry plants develop and grow

Blueberries grow well in the Pacific Northwest. To get the most out of your bushes, it helps to understand the form and function of each part of the plant.

Bernadine Strik | Mar 2015 | Article

How hormones and growth regulators affect your plants

Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.

Ann Marie VanDerZanden | Jul 2012 | Article

Botany Basics

Plants are essential to life on earth. Understanding how plants grow and develop helps us capitalize on their usefulness and make them part of our everyday lives.

Ann Marie VanDerZanden | Jan 2008 | Collection