Search Results - "Gessel, S. P."

Acid tolerance of Pacific Northwest conifers in solution culture. I. Effect of high aluminium concentration and solution acidity by Ryan, P.J, Gessel, S.P, Zasoski, R.J

“…Seedlings of three Pacific northwest conifer species: Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), western hemlock (Tsuga heterophylla (Raf.) Sarg.),…”
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N, S, P status and protein synthesis in the foliage of Norway spruce (Picea abies (L) Karst) and Austrian black pine (Pinus nigra Arnold var. nigra) by CLEMENT, A., GESSEL, S. P.

“…The different forms of nitrogen, sulphur and phosphorus were measured in the foliar tissue of spruce and black pine seedlings grown in the greenhouse in 3…”
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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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Soil Sulfate‐Sulfur and Growth Responses of Nitrogen‐fertilized Douglas‐fir to Sulfur by Blake, John, Webster, S. R., Gessel, S. P.

“…Two studies were conducted to determine the growth response of N‐fertilized Douglas‐fir [Pseudotsuga menziesii (Mirb.) Franco] to S supplements. The…”
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Mineral Nutrient Accumulation and Cycling in a Stand of Red Alder (Alnus Rubra) by Turner, J., Cole, D. W., Gessel, S. P.

“…The distribution of organic matter and mineral nutrients in a thirty-four-year-old stand of red alder (Alnus rubra) in Washington State, U.S.A., is described,…”
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Response of northwest Douglas-fir stands to urea: correlations with forest soil properties [Pseudotsuga menziesii, forest fertilization] by Peterson, C.E, Ryan, P.J, Gessel, S.P

“…Replicated forest floor and surface soil (0–15 cm) samples were obtained from control plots at 160 field installations in western Washington and Oregon…”
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Mechanisms of negative impacts of three forest treatments on nutrient availability by Harrison, Robert B., Gessel, Stanley P., Zabowski, Darlene, Henry, Charles L., Xue, Dongsen, Cole, Dale W., Compton, Jana E.

“…Many forest management treatments are directly aimed at maintaining or enhancing forest productivity. There may also be secondary effects that detract from…”
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Sustainable management of native and exotic plantations in Australia by Turner, J. (FORSCI Pty. Ltd., Beecroft, N.S.W. (Australia).), Gessel, S.P, Lambert, M.J

“…The emphasis of plantation management changes as the resource and the market develop. This is especially the case when a plantation program is developing a new…”
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The ecosystem study on Rongelap Atoll by Walker, R B, Gessel, S P, Held, E E

“…During the 1950's and 1960's, the Laboratory of Radiation Biology at the University of Washington carried out an intensive study of this Atoll, which was…”
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Acid tolerance of Pacific Northwest conifers in solution culture. II. Effect of varying aluminium concentration at constant pH by Ryan, P.J, Gessel, S.P, Zasoski, R.J

“…Seedlings of four Pacific Northwest conifer species; Douglas-fir (Pseudotsuga menziesii), western hemlock (Tsuga heterophylla), western redcedar (Thuja…”
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Carbonic Acid Leaching in a Tropical, Temperate, Subalpine, and Northern Forest Soil by Johnson, D. W., Cole, D. W., Gessel, S. P., Singer, M. J., Minden, R. V.

“…The role of carbonic acid as a soil cation leaching agent was found to decrease as annual temperature decreased among four sites ranging from tropical…”
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COMPARATIVE STUDY OF DECOMPOSITION RATES OF ORGANIC MATTER IN TEMPERATE AND TROPICAL REGIONS by JENNY, HANS, GESSEL, S. P., BINGHAM, F. T.

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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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Radiata pine plantations in Chile by TORO, J, GESSEL, S. P

“…The landscape of the southcentral part of Chile is dominated by fast-growing plantations of radiata pine (Pinus radiata D. Don), and in lesser extent bluegum…”
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Acid precipitation and soil sulfate adsorption properties in a tropical and in a temperate forest soil [air pollution, leaching, Costa Rica] by Johnson, D. W., Cole, D. W., Gessel, S. P.

“…Atmospheric sulfuric acid inputs and leaching in a tropical and temperate forest are compared. In both cases, H+is mostly removed in the forest canopy. The…”
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Tension Lysimeter Studies of Ion and Moisture Movement In Glacial Till and Coral Atoll Soils by Cole, D. W., Gessel, S. P., Held, E. E.

“…The alundum tension lysimeter originally described was modified to allow installation in shallow soils and to facilitate collection of the leachate. The…”
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The Movement of DDT in Forest Soil Solutions by Riekerk, H., Gessel, S. P.

“…DDT was sprayed at two rates on a gravelly forest soil. Periodic leachate collections from tension lysimeters placed under the forest floor and surface soil…”
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Major-element deficiencies inCasuarina equisetifolia by Walker, R. B., Chowdappa, P., Gessel, S. P.

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Response of 30‐Year‐Old Douglas‐Fir to Fertilization by Gessel, S. P., Shareeff, Abdulla

“…This paper presents the 5‐year growth increment of a 30‐year‐old Douglas‐fir stand after fertilization. Nitrogen was applied initially at the rate of 100…”
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Response of 30-Year-Old Douglas-Fir to Fertilization1 by Gessel, S. P., Shareeff, Abdulla

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