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Creator:: Angima, S. D., Sullivan, Dan M. (Dan Matthew), 1954-, and Oregon State University. Extension Service
Abstract:: En los niños, el plomo puede causar daño cerebral. Por eso puede ser que no haya ningún síntoma inmediato después de la exposición del niño al plomo; los efectos pueden tardar años en aparecer. Los niños de entre 6 meses a 6 años de edad corren el mayor riesgo. En...
Resource Type:: Technical Report
Full Text:: publicación Laboratories Serving Oregon: Soil, Water, Plant Tissue, and Feed Analysis, busque un laboratorio

Creator:: Angima, S. D., Sullivan, Dan M. (Dan Matthew), 1954-, and Oregon State University. Extension Service
Abstract:: Lead contamination of the environment is an important human health problem. This publication is designed to help homeowners evaluate and manage lead hazard in their landscape or garden. We explain: • How soils get contaminated with lead • How to test your soil for lead contamination • How to reduce...
Resource Type:: Technical Report
Full Text:: used in Oregon until 1996. What happens to lead in soil? Lead accumulates in the top 1 to 2 inches

Creator:: Oregon State University. Extension Service, Stone, David L. (David Louis), and Anderson, Kim A.
Abstract:: Oregon has a rich history of orchard cultivation across the state. Today, orchards continue to be an important part of Oregon’s economy and contribute to a healthy and balanced diet for the public. But, with the growth of residential development, lands that once contained orchards are being converted into homes...
Resource Type:: Technical Report
Full Text:: were used extensively on fruit trees in Oregon until the late 1800s, when lead arsenate came to be

Creator:: Sattell, Robert, Buford, Thomas, Murray, Helene, Dick, Richard, McGrath, Daniel M. (Daniel Morton), and Oregon State University. Extension Service
Abstract:: Cover crop selection and management depend on many factors, among them the cover crop’s ability to accumulate dry matter (i.e., residues) and nitrogen (N). Dry matter provides energy for soil organisms, contributes to soil organic matter, improves tilth, and acts as a sink for nutrients.
Resource Type:: Technical Report
Full Text:: in dry matter varies considerably with cover crop type, stage of growth, and soil N content. Legumes

Creator:: Oregon State University. Extension Service, Sullivan, Dan M. (Dan Matthew), 1954-, and Cogger, Craig George, 1950-
Abstract:: This publication describes the use of post harvest soil nitrate testing as a tool for assessment of nitrogen (N) management in manured cropping systems west of the Cascade Mountains in Oregon, Washington, and south coastal British Columbia. The first section of this publication gives general information on the test and...
Resource Type:: Technical Report
Full Text:: C.G. Cogger EM 8832-E May 2003 $2.00 Dan M. Sullivan, Extension soil scientist, Oregon State

Creator:: Oregon State College. Agricultural Experiment Station and Powers, W. L. (Wilbur Louis), 1887
Abstract:: Published August 1940. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: , 1940 THE MINOR EINTS IN OREGON SOIL FTILITY AND PLANT NUTRITION by W. 1. Powers, Soil Scientist OS,C

Creator:: Anderson, Nicole P., Hart, John M. (John Mervyn), 1947-, Christensen, Neil Walter, 1944-, Mellbye, Mark Edward, Flowers, Michael Darrell, 1971-, and Oregon State University. Extension Service
Abstract:: 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 be...
Resource Type:: Technical Report
Full Text:: fertilizer N rate for winter wheat by using the “N-min” soil test developed at Oregon State University

Creator:: Oregon State University. Extension Service, Hart, John M. (John Mervyn), 1947-, Christensen, Neil Walter, 1944-, Mellbye, Mark Edward, and Flowers, Michael Darrell, 1971-
Abstract:: Soft white winter wheat grown in western Oregon requires a spring application of nitrogen (N) fertilizer for optimum production. Determining the amount of N to apply has been a challenge for growers because wheat is produced in numerous rotations that provide varying amounts of N to the wheat crop. Inadequate...
Resource Type:: Technical Report
Full Text:: . Topper, and P. Koepsell. 1989. Methods of Soil Analysis Used in the Soil Testing Laboratory at Oregon

Creator:: Oregon State University. Extension Service and Sullivan, Dan M. (Dan Matthew), 1954-
Abstract:: Nutrient management plans for crops require estimates of plant-available nitrogen (PAN) provided by application of manure or compost. Recent developments have stimulated interest in utilizing manure nitrogen (N) as a resource. These factors include the following: • Increased cost of N fertilizers • Increased value of PAN from manure on...
Resource Type:: Technical Report
Full Text:: Prepared by Dan M. Sullivan, Extension soil scientist, Oregon State University. Archival copy. For current

Creator:: Sullivan, Dan M. (Dan Matthew), 1954-, Andrews, N. (Nick), and Oregon State University. Extension Service
Abstract:: 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, step-by-step method to estimate PAN; Willamette Valley case studies; and appendices summarizing Willamette Valley cover crop research that supports these PAN...
Resource Type:: Technical Report
Full Text:: temperature and moisture content. Decomposition proceeds two to three times faster at a soil temperature of

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