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Monitoring Vineyard Nutrition

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

Patricia Skinkis, Paul Schreiner | Dec 2018 | Article

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

Management of grapevine water status under irrigated and non-irrigated conditions

Information on vineyard water management, focusing on when to initiate irrigation.

Alexander Levin | Oct 2018 | Article

Spikeweed

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

Mary Corp | Oct 2018 | 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

Grape pruning basics

All grapes require heavy pruning to produce fruit, but after the first three growing seasons, different types of grapes need different pruning. Wine grapes and muscadines usually need spur pruning, and American grapes, such as Concord and Thompson Seedless require cane pruning.

Nov 2012 | 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