Clare Sullivan

Small Farms and Specialty Crops

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Content by Clare Sullivan

OSU Organic Fertilizer & Cover Crop Calculator: Predicting Plant-available Nitrogen

Describes the OSU Organic Fertilizer & Cover Crop Calculator and using it to predict plant-available nitrogen.

Clare Sullivan, Dan Sullivan, Linda Brewer, Nick Andrews | May 2019 | OSU Extension Catalog

Exploring Cover Crops in Central Oregon

Cover crops receive a lot of attention for the many benefits they can provide, such as: weed suppression, erosion prevention, improved water infiltration and water holding capacity, improved nutrient cycling, and the creation of pollinator habitat. There is an abundance of information in academic literature and from seed companies on the use of cover crops; however, there is only...

Clare Sullivan | Dec 2018 | Article

OSU Mechanical Cultivation Field Day a Major Success!

Weed management consistently ranks as a high priority topic for organic vegetable growers, and yet most are not taking full advantage of the best cultivation tools available. When properly used, precision cultivation tools can quickly pay for themselves in labor savings. We received a two-year mini-grant from the USDA Western Sustainable Agriculture Research and Education program ...

Clare Sullivan, Heidi Noordijk, Nick Andrews | Oct 2018 | Article

Performance of Hard Red Winter Wheat in Late-Planted Fallow

This publication describes results of field research on the performance of hard red winter wheat cultivars in a late-planted fallow system in the low-precipitation zone of Oregon and Washington.

Don Wysocki, Clare Sullivan, Larry Lutcher | Jun 2016 | OSU Extension Catalog

Analytical Laboratories Serving Oregon

This guide can be useful for commercial growers, gardeners, and homeowners who wish to use soil, plant, and water analyses to help them make decisions about the use of soil amendments and other management actions. Some may also wish to test drinking water quality. The guide contains a list of laboratories serving Oregon along with specific information about their laboratory services.

Darrin Walenta, Clare Sullivan, Leticia Henderson (Varelas), Linda Brewer | Jun 2017 | OSU Extension Catalog

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