Long-term growth and ecophysiological responses of a southeastern Oklahoma loblolly pine plantation to early rotation thinning von Hennessey, T.C., Dougherty, P.M., Lynch, T.B., Wittwer, R.F., Lorenzi, E.M.

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Annual variation in needle fall of a loblolly pine stand in relation to climate and stand density von Hennessey, T.C., Dougherty, P.M., Cregg, B.M., Wittwer, R.F.

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Effects of stand development and weather on monthly leaf biomass dynamics of a loblolly pine ( Pinus taeda L.) stand von Dougherty, P.M., Hennessey, T.C., Zarnoch, S.J., Stenberg, P.T., Holeman, R.T., Wittwer, R.F.

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Water use in thinned loblolly pine plantations von Stogsdili, W.R., Wittwer, R.F., Hennessey, T.C., Dougherty, P.M.

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Relationship between throughfall and stand density in a Pinus taeda plantation von Stogsdill, W.R., Wittwer, R.F., Hennessey, T.C., Dougherty, P.M.

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Thinning improves growth of crop trees in natural shortleaf pine stands von Wittwer, R.F. (Oklahoma State University, Stillwater, OK.), Lynch, T.B, Huebschmann, M.M

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Maximum Size-Density Relationship between Lorey's Mean Height and Trees per Hectare von Lynch, T.B, Wittwer, R.F, Stevenson, D.J, Huebschmann, M.M

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Productivity, crown architecture, and gas exchange of North Carolina and Oklahoma/Arkansas loblolly pine families growing on a droughty site in southeastern Oklahoma von Blazier, Michael A., Hennessey, Thomas C., Lynch, Thomas B., Wittwer, Robert F., Payton, Mark E.

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Isoenzyme variation and genetic structure in natural populations of shortleaf pine (Pinus echinata) von Raja, R.G, Tauer, C.G, Wittwer, R.F, Huang, Y

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Effects of reproduction cutting method and hardwood retention on shortleaf pine seed production in natural stands of the Ouachita Mountains von Wittwer, R.F, Shelton, M.G, Guldin, J.M

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Segregation and linkage relationships of isoenzymes in shortleaf pine (Pinus echinata Mill.) von Raja, R.G, Tauer, C.G, Wittwer, R.F, Huang, Y

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Estimating seed quality and quality in shortleaf pine (Pinus echinata Mill.) cones from natural stands von Wittwer, R.F, Tauer, C.G, Huebschmann, M.M, Huang, Y

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Shortleaf pine seed production in natural stands in the Ouachita and Ozark Mountains von Shelton, M.G. (USDA, Forest Service, Monticello, AR.), Wittwer, R.F

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Pattern of growth of sapwood, heartwood, and stem volume of open-grown eastern redcedar in grasslands von Alemayehu, D. (Oklahoma State University, Stillwater, OK.), Engle, D.M, Wittwer, R.F, Anderson, S

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Biomass production and nutrient accumulation in seedling and coppice hardwood plantations von Wittwer, R.F., Stringer, J.W.

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Relationship between throughfall and stand density in a Pinus taeda plantation von Stogsdill, W.R. (Arkansas Univ., Monticello, AR (USA). Dept. of Forest Resources), Wittwer, R.F, Hennessey, T.C, Dougherty, P.M

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Relationship between troughfall and stand density in a Pinus taeda plantation von Stogsdill, W.R. Jr. (Arkansas Univ., Monticello, AR (USA). Dept. of Forest Resources), Wittwer, R.F, Hennessey, T.C, Dougherty, P.M

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Four-year growth responses of plantation red pine to potash fertilization and irrigation in New York [Pinus risinosa] von Leaf A.L, Leonard R.E, Wittwer R.F, Bickelhaupt D.H

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Intensive culture of American sycamore in the Ohio River Valley von Wood, B.W, Carpenter, S.B, Wittwer, R.F

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Comparison of seeding versus planting loblolly pine in rips von Huebschmann, M.M. (Oklahoma State University, Stillwater, OK), Wittwer, R.F

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