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Showing 1 - 10 of 29 results.

Irrigation Monitoring Using Soil Water Tension

This publication discusses the use of granular matrix sensors (GMS) for monitoring soil moisture content. It explains how to install GMS and use the recorded data for irrigation scheduling.

Clinton Shock, Erik Feibert | Mar 2013 | 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

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 ...

Don Wysocki, Larry Lutcher, Mary Corp | Nov 2006 | 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).

Dan Sullivan, Gene Pirelli, Nicole Anderson | May 2013 | 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...

Dan Sullivan, Gene Pirelli, Nicole Anderson | Oct 2010 | 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 ...

Nicole Anderson | Nov 2010 | OSU Extension Catalog

El Control del Riego Mediante la Tensión Matricial del Suelo

Explica el uso de los sensores matriciales granulares para la medición de la tensión de humedad del suelo. Explica cómo instalar estos sensores y cómo usar los datos registrados para la programación del riego.

Clinton Shock, Erik Feibert | Mar 2013 | OSU Extension Catalog

La poliacrilamida: Una solución para la erosión

Esta publicación explica el uso de los productos de poliacrilamida (PAM) para controlar la erosión en las zanjas y surcos de riego. Describe los varios tipos de PAM y las maneras de aplicarla. Incluye una lista de vendedores de productos.

Clinton Shock | Jan 2009 | OSU Extension Catalog

Eastern Oregon Liming Guide

Liming is a new practice for the inland Pacific Northwest, necessitated by soil acidification caused by nitrogen fertilization. This publication provides guidance on how to evaluate cropping systems for lime need and how to determine lime application rate.

Don Wysocki | May 2013 | OSU Extension Catalog

Estimating Plant-Available Nitrogen Release from Cover Crops

This publication assists western Oregon farmers and agricultural professionals in determining the nitrogen fertilizer replacement value of winter cover crops. Includes information on plant-available nitrogen (PAN) basics; a site-specific, ...

Dan Sullivan, Nick Andrews | Nov 2012 | OSU Extension Catalog