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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:: Post-harvest Soil Nitrate Testing for Manured Cropping Systems

Creator:: Sullivan, Dan M. (Dan Matthew), 1954-
Resource Type:: Masters Thesis
Full Text:: ratios of winter wheat at three growth stages. Douglas Co., 1979 11 Soil and leaf content of P, K, and

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:: content. See “Soil tests for lead” (page 4) for more information. Evaluating and Reducing Lead Hazard

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:: vegetative cover in winter (to reduce soil erosion) and (2) to take up residual soil nitrate-N from the

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:: when manure is applied in spring or summer . Nitrate-N already present in the soil in the fall usually

ScholarsArchive@OSU