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Filtering by: Creator Yasuda, Dean D. Creator Oregon State University. Extension Service Subject Soils -- Nitrogen content -- Oregon, Western

Estimating plant-available nitrogen from manure

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:

methods (b, c, d) for grasses or cereal crops vs . traditional broadcast manure application (a
Estimating plant-available nitrogen release from cover crops

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:

scientist, and Nick D. Andrews, small farms Extension agent; both of Oregon State University HigHligHts n