Search Results - "Chappell, H. N."

Nitrogen Turnover in Forest Floors of Coastal Douglas-Fir at Sites Differing in Soil Nitrogen Capital by Prescott, C. E., Chappell, H. N., Vesterdal, L.

“…Nitrogen cycling is generally considered to be more rapid on sites with high availability of N; this is usually associated with differences in tree species…”
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Additional carbon sequestration following repeated urea fertilization of second-growth Douglas-fir stands in western Washington by Canary, J.D, Harrison, R.B, Compton, J.E, Chappell, H.N

“…We examined whether N fertilization of Douglas-fir ( Psuedotsuga menziesii (Mirb.)) plantations in western Washington State could affect C sequestration in…”
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Long-term effects of nitrogen fertilization on nitrogen availability in coastal Douglas-fir forest floors by Chappell, H.N, Prescott, C.E, Vesterdal, L

“…It has been suggested that a long-term increase in N availability could be achieved by repeated N fertilization of forests, and that the increase in N…”
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Soil organic carbon in a mountainous, forested region: relation to site characteristics by Homann, P.S. (Oregon State University, Corvallis, OR.), Sollins, P, Chappell, H.N, Stangenberger, A.G

“…Soil organic C content (SOC, kilograms C per square meter) and its relation to site characteristics are important in evaluating current regional, continental,…”
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Young true fir trees response to nitrogen fertilization in western Washington and Oregon by Chappell, H.N, Bennett, W.S

“…Forest fertilization has been successful in Douglas fir [Pseudotsuga menziesii (Mirbel) Franco] stands in the Pacific Northwest, but little information is…”
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Douglas fir growth and foliar nutrient responses to nitrogen and sulfur fertilization by Blake, J.I. (School of Forestry, Auburn Univ., AL), Chappell, H.N, Bennett, W.S, Webster, S.R, Gessel, S.P

“…Nitrogen-fertilizer response in conifer stands of the Pacific Northwest has been related to soil and foliar S, and growth has occasionally been enhanced by the…”
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Forest fertilization research and practice in the Pacific Northwest by Chappell, H. N., Cole, D. W., Gessel, S. P., Walker, R. B.

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Soil organic carbon in a mountainous, forested region: Relation to si te characteristics by Homann, P S, Sollins, P, Chappell, H N, Stangenberger, A G

“…Soil organic carbon content was measured in a highly forested region. The soil organic carbon content increased with annual temperature, annual precipitation,…”
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