Search OSU Extension

Showing 1 - 10 of 96 results.

Soil Acidity in Oregon: Understanding and Using Concepts for Crop Production

Soil acidity, expressed by low soil pH, causes reduced crop growth and significant economic loss. It is the most commonly overlooked and poorly understood yield-limiting factor in western Oregon and a developing concern in eastern...

Dan Sullivan, Andy Hulting, Nicole Anderson | Jul 2013 | OSU Extension Catalog

Best Management Practices for Maintaining Soil Productivity in the Douglas-fir Region

This publication is a reference guide for forest soils productivity and management. Main topics include (1) understanding and managing risk, (2) soil characteristics that affect productivity, (3) soil survey information for forestland ...

Sam Angima | Apr 2011 | OSU Extension Catalog

Acidifying Soil for Crop Production West of the Cascade Mountains (Western Oregon and Washington)

Explains the relationship between high soil pH and nutrient deficiencies in blueberries, rhododendrons, azaleas, and other ornamental crops. Color photos illustrate symptoms of pH-induced nutrient deficiency. Presents step-by-step instructions...

Feb 2004 | OSU Extension Catalog

Acidifying Soil for Crop Production: Inland Pacific Northwest

Explains the relationship between high soil pH and nutrient deficiencies in crop plants. Color photos illustrate symptoms of pH-induced nutrient deficiency. Explains the causes of high soil pH and presents step-by-step instructions for lowering pH.

Don Wysocki | Sep 2007 | OSU Extension Catalog

Managing Salt-Affected Soils for Crop Production

This publication describes the soil tests commonly used in evaluating salt-affected soils in the western United States and gives general guidelines for test interpretation. It will help readers: (1) understand how sodium, calcium, ...

Dan Sullivan | Nov 2007 | OSU Extension Catalog

Sampling Dairy Manure and Compost for Nutrient Analysis

This guide describes how to obtain a representative sample of stockpiled dairy manure or dairy compost, select a reliable manure or compost testing laboratory, determine which lab analyses are needed (including total nitrogen, ...

Amber Moore | Jul 2015 | OSU Extension Catalog

Soft White Winter Wheat (Western Oregon) Nutrient Management Guide

Gives nutrient and lime recommendations for soft white winter wheat in western Oregon. Also discusses: impact of diseases, such as take-all root rot, on crop yield; planting in poorly drained soil; soils and settings for wheat ...

Richard Roseberg, Nicole Anderson | Jul 2011 | OSU Extension Catalog

Green Pea Nutrient Management Inland Northwest -- east of the Cascades

Describes management practices for east of the Cascades that are essential to optimize green pea crop response to fertilizer inputs. These include soil pH, crop rotation, and inoculation; and recommendations for fertilizer placement and specific nutrients.

Clive Kaiser, Linda Brewer | Apr 2016 | OSU Extension Catalog

Tall Fescue Grown for Seed: A Nutrient Management Guide for Western Oregon

This guide covers key nutrient management topics related to tall fescue grown for seed in western Oregon. Crop growth and timing of nutrient uptake is covered. Specific recommendations for nitrogen, phosphorous, potassium, sulfur, ...

Nicole Anderson | Sep 2014 | OSU Extension Catalog

Nutrient Management for Onions in the Pacific Northwest

This publication is designed to assist growers and crop advisors in producing a high-quality crop while protecting the environment from excess nutrients. Contains information on how onions grow; timing and amount of crop nutrient ...

Dan Sullivan, Clinton Shock, Erik Feibert | Feb 2001 | OSU Extension Catalog