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Theses/Dissertations from 2006

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Forest dynamics in mesic northern hardwoods following windthrow and salvage logging , Katharyn Dianne Derr

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Riparian land-use impacts on stream bank soil and phosphorus losses from grazed pastures , Mustafa Tufekcioglu

Theses/Dissertations from 2005

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Desiccation and nitrous oxide storage effects on the recalcitrant seeds of Quercus alba and Q macrocarpa , Valasia Iakovoglou

Theses/Dissertations from 2004

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An evaluation of the benefits and costs of in-field shelterbelts in Midwestern USA , Robert Konrad Grala

Theses/Dissertations from 2003

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A biophysical and socio-economic examination of the use of shelterbelts for swine odor mitigation , John Charles Tyndall

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Genetic and environmental effects on rooting ability of dormant unrooted hybrid poplar cuttings , Ronald S. Zalesny Jr.

Theses/Dissertations from 2002

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Soybean-based wood adhesives for structural panels , In Yang

Theses/Dissertations from 2001

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Soil aggregate dynamics and aggregate-associated carbon under different vegetations types in riparian soils , Carmen Omaira Marquez

Theses/Dissertations from 2000

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Tree spacings and red:far-red light effects on juvenile Populus growth and morphology , Sovith Sin

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Biomass, carbon, nitrogen and soil respiration dynamics within riparian buffers and adjacent crop fields , Aydin Tufekcioglu

Theses/Dissertations from 1999

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Effectiveness of a multi-species riparian buffer system for sediment and nutrient removal , Kye-Han Lee

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Streambank erosion adjacent to different riparian land-use practices and stream patterns along Bear Creek, in north central Iowa, George Nick Zaimes

Theses/Dissertations from 1998

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Shelterbelt: soybean production model (SBELTS) , Xiaoming Qi

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The poplar-leaf rust pathosystem: inheritance of resistance and pathogenic variability , Girma Melesse Tabor

Theses/Dissertations from 1997

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Root production, soil organic matter, soil moisture, and sorghum yield in an alley-cropping system with Acacia saligna (Labill.) Wendl. and Gliricidia sepium (Jacq.) Walp. in the Hararghe Highlands, Eastern Ethiopia , Abdu Abdelkadir

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Socio-economic analysis of an agroforestry system with the Winnebago Tribe of Nebraska , Marcella Brian Szymanski

Theses/Dissertations from 1996

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Stream quality improvement through watershed wide establishment of multi-species riparian buffer strips: an economic analysis, Christopher Joel Ball

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Five-year survival and growth of northern red oak (Quercus rubra L) seedlings in upland hardwood stands in south central Iowa , Robert Edward Bardon

Theses/Dissertations from 1995

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Pasture soils in the Tropical Moist Life Zone of Costa Rica: implications for secondary forest succession , James Weeks Rosacker

Theses/Dissertations from 1994

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Riparian buffer strips in the Bear Creek watershed, Murielle Maud Bercovici

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A financial analysis of a teak forest managed for sustained production in West Java, Indonesia, Dedi Haryadi

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Advanced biotechnological approaches and gene manipulation in Populus species , Hoduck Kang

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Microbeam methods for assessing the distribution of preservatives in wood , Glenn M. Oren

Theses/Dissertations from 1993

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Measuring the benefits of water resource protection from agricultural contamination: results from a contingent valuation study , Premachandra Mathuwansa Wattage

Theses/Dissertations from 1992

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First-year survival and growth of northern red oak (Quercus rubra L.) seed and seedlings underplanted in upland hardwood stands in south central Iowa, Robert Edward Bardon

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Export performance and export demand of Indonesian forest products , Komara Djaja

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Business planning for marketing low-quality hardwoods , Curtis Lawrence Krambeer

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Supply and demand for wood as a source of energy in Zambia: an econometric analysis , Christopher Mupimpila

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A socio-economic analysis of an alleycropping agroforestry system with treated municipal biosolids applied as a fertilizer, Andrew Neil Skadberg

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Influence of extractives on bonding properties of white oak , Ying-Shen Wang

Theses/Dissertations from 1991

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Application of the CREAMS model to simulate performance of riparian tree buffer strips: implications for buffer strip design, Matthew Forrest Christian

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Tropical forest site quality assessment: an approximation in Costa Rica , Edgar E. Gutiérrez Espeleta

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An economic analysis of agroforestry farming systems in Zambia: application of risk programming and risk-free modelling techniques , Leyeka Charles Lufumpa

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Ecology and management of mahogany (Swietenia macrophylla King) regeneration in Quintana Roo, Mexico , Patricia Negreros-Castillo

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Provenance variation and genotype x environment interaction in Sesbania sesban (L) Merill , Risper Nyagoy Nyong'o

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Characteristics, motivation, and management practices of nonindustrial private forest landowners in Iowa , Jeffrey A. Regula

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In vitro culture systems of hybrid aspen as tools for tree improvement programs and commercial applications , Sung Ho Son

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Influence of root system morphology and site characteristics on development of transplanted northern red oak (Quercus rubra L.) seedlings , Janette R. Thompson

Theses/Dissertations from 1990

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Interregional analysis of integrated crop, livestock, and forest production: a goal programming model , Jianbang Gan

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Iowa's timber-based economy: an economic analysis , Stephen Hiama Kolison Jr.

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Qualitative characterization of the endogenous cytokinins in red pine and aspects of their influence on seedling development , Richard Meilan

Theses/Dissertations from 1988

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Measuring congestion effects in a high-density recreational site , Kwan Choi

Theses/Dissertations from 1987

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Biotechnology applications of Populus micropropagation , Young Woo Chun

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Development of an instructional package on woodland management for Iowa high school vocational agriculture instructors , Reinee Eshelman Hildebrandt

Theses/Dissertations from 1986

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Cultural practices and leaf rust resistance in integrated pest management of Populus plantations, Rita Sonnelitter Schoeneman

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Stem, branch, and root wood anatomy of black oak (Quercus velutina Lam) , Douglas D. Stokke

Theses/Dissertations from 1985

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Regeneration ecology of oak in eastern Iowa , Kimberly Dean Coder

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Soil autecology of the nitrogen-fixing microsymbiont, Frankia , Thomas Andrew Permar

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Raw material characterization and properties of structural flakeboard from coppice grown hybrid poplar , Paul Michael Winistorfer

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Anatomy and physiology of sugar maple (Acer saccharum March) seedlings uninoculated or inoculated with the vesicular-arbuscular endomycorrhizal fungus Glomus etunicatum , William Jesse Yawney

Theses/Dissertations from 1984

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Genotype x environment interaction in European black alder (Alnus glutinosa (L.) Gaertn) , Oghenekome Ukrakpo Onokpise

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Age-age correlations, trait correlations, and wood property variation for an Alnus glutinosa (L.) Gaertn provenance study , Terry Lean Robison

Theses/Dissertations from 1983

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Variation in growth, nitrogen fixation, and assimilate allocation among selected Alnus glutinosa (L.) Gaertn. clones , Gregory Alan Miller

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A linear programming model applied to the supply of primary hardwood products in the United States 1990 to 2030, Francis Nwonwu

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The effect of acid rain on the growth and nutrient content of two species of hardwood tree seedlings, and on the pH, microflora and nutrient content of the soil , Doris Kathleen Patten

Theses/Dissertations from 1981

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Early evaluation of Alnus glutinosa clones for nurse and tree crop capabilities , Jerome Thomas

Theses/Dissertations from 1980

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Host-symbiont interactions among Frankia strains and Alnus open-pollinated families , Charles Alvin Maynard

Theses/Dissertations from 1979

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Economic costs of wilderness designation on the Willamette National Forest , Gene Edward Campbell

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Feasibility study on efficient processing and use of eastern cottonwood (Populus deltoides Bartr.) for wall framing lumber, James Walter Funck

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Hybrid poplar mycorrhizae and endogonaceous spores in Iowa, Christopher Walker

Theses/Dissertations from 1978

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Nitrogen fixation, photosynthesis and early growth of Alnus glutinosa , Jeffrey Owen Dawson

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Projecting future use of the national forest wilderness system , Steven Edward Jungst

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The influence of the geometry and distribution of root systems on coppice regeneration and growth of hybrid poplars , Don Koo Lee

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A comparison of alternative recreation impact survey designs for northeast Iowa , Carl William Ramm

Theses/Dissertations from 1977

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Housing and forest policy , William L. Hoover

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Anatomical characteristics of stem, branch and root wood in European black alder (Alnus glutinosa L. Gaertn.), Hasan Vurdu

Theses/Dissertations from 1976

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The anatomical properties of selected Populus clones , Wan-Fang Wendy Cheng

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A comparison of field and growth chamber productivity of three poplar clones , Thomas Charles Hennessey

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Estimating economic costs of wilderness areas , John Gregory Jones

Theses/Dissertations from 1975

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Effect of light intensity on growth, photosynthesis and nitrate reductase in hybrid poplars , Festus Ejilayo Fasehun

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Photosynthesis, photorespiration, and dark respiration in Populus x euramericana: effects of genotype and leaf age , Dean Harold Gjerstad

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Crown geometry, light interception and photosynthesis of selected Populus x euramericana clones: a modeling approach , Timothy Aaron Max

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Multiple use resource management on National Forests via goal programming , Albert Thomas Schuler

Indices for the rapid early selection of Populus clones , Hans Robert Zuuring

Theses/Dissertations from 1974

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Stumpage prices by DBH classes: an index number problem , Gerrit Hazenberg

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Peroxidase and growth in hybrid poplar , Paul Harland Wray

Theses/Dissertations from 1973

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Growth and yield functions for thinned upland oak stands , Martin Eugene Dale

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Economic investigation of silage sycamore production , Olumayokun Omotayo Olawoye

Theses/Dissertations from 1972

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Critical nitrogen level of two Populus clones: growth, nitrate reductase and allometric response , Gary Frank Dykstra

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A photosynthate allocation model for tree growth , Lawrence Charles Promnitz

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Estimating performance in skidding timber , Victor Gordon Smith

Theses/Dissertations from 1971

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Physiological responses of an aspen-poplar hybrid to temperature and soil moisture treatments , Ireneo Ladia Domingo

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A method for selecting public investments in outdoor recreation facilities which will increase social benefits , Charles Dudley Mattson

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Cost economics of land-use controls in public outdoor recreation , Ervin George Schuster

Theses/Dissertations from 1970

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Forest management flexibility: a definition and some measures , Raymond Smith Ferell

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The crucial decisions in obtaining "demand" information for outdoor recreation planning , Roger Dean Fight

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Precision requirements for some information in timber management decisions , David Alexander Hamilton Jr.

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The effect of soil moisture and day temperature on photosynthesis, growth and needle anatomy of scotch pine seedlings , Richard Carl Schultz

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The effects of soil texture and soil moisture on photosynthesis, growth and nitrogen uptake of scotch pine seedlings , David William Smith

Theses/Dissertations from 1969

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Optimal replacement strategy for successive forest surveys with multiple objectives , John William Hazard

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Cellular variation within the wood of eastern cottonwood , Judson Gary Isebrands

Theses/Dissertations from 1968

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Genotypic variation and selection in Juglans nigra L , Calvin Frederick Bey

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Structure, density and shrinkage variation within silver maple , El-Sayed A. Ezzat Kandeel

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Demand relationships for outdoor recreation in Iowa , Glenn Herbert Manning

Theses/Dissertations from 1966

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Stumpage appraisal under alternative assumptions of log use: a case study in the Douglas-fir sub-region , John Herman Beuter

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Photosynthesis, respiration and growth of Scotch pine seedlings , John Charles Gordon

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Tension wood anatomy of silver maple , Floyd George Manwiller

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Unequal probability and double sampling in forestry , Hans Tijmen Schreuder

Theses/Dissertations from 1963

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Time-related mechanical behavior of red oak in tension and compression perpendicular to a longitudinal-radial plane , Robert Loren Ethington

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Photochemical studies on unsaturated ketones , Azel Alan Griswold