Browse Field Crops Resources

Lynn Ketchum
Displaying 1 - 10 of 11 resources

Guide to Oregon County Soil Survey Reports

An inventory of all the different kinds of soils in many Oregon counties is available. These inventories were made starting in the 1970’s by soil scientists of the U.S. Dept. of Agriculture Soil...

By Brad Withrow-Robinson, Debra Zaveson | Article

IPM soilborne diseases of cereals

Presentation by Kurtis L. Schroeder, Cropping Systems Agronomist & Plant Pathologist, on Soilborne Diseases of Cereals: Identification and Management for the Integrated Pest Management Website hosted by Umatilla County Extension Service.

By Cynthia Ocamb, | Video

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, and magnesium affect soil structure; (2) request appropriate soil...

By Dan Sullivan | 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.

By Don Wysocki | OSU Extension Catalog

Monitoring Soil Nutrients Using a Management Unit Approach

Focuses on how to design a soil nutrient monitoring strategy using management units or zones for soil testing and nutrient application. This approach is designed to provide better information to make nutrient management decisions at a reasonable cost. Using a management unit approach, a grower can...

By Dan Sullivan | OSU Extension Catalog

Applying Lime to Raise Soil pH for Crop Production (Western Oregon)

This publication describes how to estimate lime application rate and lists criteria for choosing liming materials (source), lime application method (placement), and how often to apply lime (frequency).

By Dan Sullivan, Gene Pirelli, Nicole Anderson | OSU Extension Catalog

Using the Nitrogen Mineralization Soil Test to Predict Spring Fertilizer N Rate for Soft White Winter Wheat Grown in Western Oregon

Soft white winter wheat is grown in western Oregon and requires a spring application of nitrogen (N) fertilizer for optimum production. Determining the amount of N to apply has been a challenge for growers. Wheat obtains N from two sources: soil and fertilizer. Both available and mineralizable N can...

By Nicole Anderson | OSU Extension Catalog

Evaluating Soil Nutrients and pH by Depth in Situations of Limited or No Tillage in Western Oregon

Many nutrients and lime are not mobile in the soil. When applied to the soil surface without tillage, these materials remain in the top 2 inches, especially in production systems that lack tillage. If a soil sample is taken at a standard 8-inch depth, the top 1 to 2 inches, which have higher...

By Dan Sullivan, Gene Pirelli, Nicole Anderson | OSU Extension Catalog

Monitoring Soil Nutrients in Dryland Systems Using Management Units

Focuses on how to design a soil nutrient monitoring strategy using management units or zones for soil testing and nutrient application. This approach is designed to provide better information to make nutrient management decisions at a reasonable cost. Using a management unit approach, a grower can...

By Don Wysocki, Larry Lutcher, Mary Corp | OSU Extension Catalog