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Showing 1 - 10 of 10 results.

Coastal Pastures in Oregon and Washington

The coastal regions of Oregon and Washington have different climate and soils than other parts of the states. Rainfall is high, ranging from 70 inches in southern Oregon to more than 100 inches in the coastal mountains. ...

Fred Lundin | Sep 1996 | Article

Monitoring Vineyard Nutrition

This article describes how to determine vineyard nutrient needs through tissue and soil sampling.

Patricia Skinkis, Paul Schreiner | Dec 2018 | Article

Wireworm: Biology and Nonchemical Management in Potatoes in the Pacific Northwest

Wireworms are among the most destructive of soil insect pests. This publication explains the wireworm life cycle and describes a program for monitoring and risk assessment. Nonchemical management methods are suggested, including crop ...

Silvia I. Rondon, Nick Andrews | Dec 2008 | OSU Extension Catalog

Using Entomopathogenic Nematodes for Crop Insect Pest Control

Topics covered include the life cycle of entomopathogenic nematodes; how they control insect pests; obtaining, using, and storing; soil conditions necessary; application preparation, equipment, and rates; pesticide safety; and websites that provide more specific information.

May 2012 | OSU Extension Catalog

The Colorado Potato Beetle in the Columbia Basin

Oregon State University Crop and Soil Science Masters student Pahoua Yang focuses her research project on Colorado potato beetle, Leptinotarsa decemlineata. Her project is to determine baseline information for several commercial ...

Silvia I. Rondon | Oct 2019 | OSU Extension Catalog

Why Does Your Tree Look Sick?

Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.

Jun 2018 | Article

Wine grape tissue nutrient analysis guidelines for Oregon

This is a guide that can be used by wine grape growers to interpret their vine tissue nutrient analysis results to determine nutrient sufficiency, deficiency or excess.

Paul Schreiner | May 2019 | Article

How to collect a plant specimen for disease diagnosis

A guide for how to collect and where to get a sample analyzed for plant diseases.

Melodie Putnam, Carol Savonen | Jul 2014 | Article

Grapevine Trunk Diseases in Oregon

A summary of the main trunk diseases causing issues in Oregon and management methods.

Melodie Putnam | Mar 2019 | Article