Index Catalog // ScholarsArchive@OSU

Physiological and yield responses of snap beans (Phaseolus vulgaris) to water availability

Creator:: Biuk, Abdulmajid Ahmed
Resource Type:: Dissertation
Full Text:: express my sincere appreciation to Dr. Larry Boersma, my major professor, for his constant guidance and

Temperature and water potential effects on physiological functions of sudangrass (Sorghum vulgare var. Piper)

Creator:: Young, Richard Su-Shung
Abstract:: Temperature and water potential effects on the growth, transpiration, total nonstructural carbohydrate (TNC) content, and nutrient uptake of sudangrass (Sorghum vulgare var. piper) were investigated in laboratory experiments. The effect of nitrogen supply on the growth and nutrient uptake at constant soil water potential was also investigated in this study....
Resource Type:: Dissertation
Full Text:: express his deepest gratitude to Dr. Larry Boersma for the great help, advice, guidance, and

Measurement and interpretation of physical properties of soils

Creator:: Nagpal, Narender Kumar, 1942-
Abstract:: One of many important physical properties that must be known to understand transport phenomena in soils is pore size distribution. Presently the pore size distributions of soils are most commonly obtained from soil water characteristic curves. The soil water characteristic curves are usually obtained by the pressure plate technique. It...
Resource Type:: Dissertation
Full Text:: OF SOILS Abstract approved: Redacted for Privacy Larry Boersma One of many important physical

Gaussian elimination technique for solving the diffusion equation for moisture movement in unsaturated soil

Creator:: Ashcroft, Gaylen L.
Resource Type:: Dissertation
Full Text:: grateful for the assistance and advice given by Dr. Larry Boersma and Dr. D. D. Evans who have each

The steady state flow of water through unsaturated soil in the low capillary potential region

Creator:: Stammers, William Norman
Abstract:: Several investigators have recently called attention to the fact that the flux equation for water movement in unsaturated soils may not be an appropriate mathematical model for the development of the theory of unsaturated flow phenomena. An analytical theory is developed for the purpose of testing the validity of the...
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGMENTS The author is grateful for the advice given by Dr. Larry Boersma and Dr. D. D. Evans who have

Theoretical and experimental evaluation of transfer of 2, 4-dichlorophenoxyacetic acid in porous media

Creator:: Saxena, Subodh Kumar, 1942-
Abstract:: Experiments were conducted to study the effect of pore size distribution on the diffusion of 2, 4-Dichlorophenoxyacetic acid (carbon- 14) through water saturated porous media. Eight size fractions of glass beads were used representing the porous media. It was found that as the average particle radius, and hence pore radius,...
Resource Type:: Dissertation
Full Text:: approved: Larry BVersma Experiments were conducted to study the effect of pore size distribution on the

Translocation of photosynthates in soybeans (Glycine Max. (L) Merr. cv. Wilkin) as affected by soil water potential and soil temperature

Creator:: Ekasingh, Methi
Resource Type:: Dissertation
Full Text:: Soil Water Potential and Soil Temperature Abstract approved: Redacted for privacy / Larry Boersma

An evaluation of soil warming for increased crop production

Creator:: Rykbost, K. A.
Abstract:: In regions where soil temperatures limit plant growth, artificial soil warming may be an economically feasible practice. This hypothesis was evaluated in a soil warming experiment near Corvallis, Oregon. This experiment was prompted by the observation that multiple use of waste heat discharged in the condenser cooling water of thermal...
Resource Type:: Dissertation
Full Text:: . Larry Boersma for his valuable guidance, encouragement and constructive criticism which made the

A continuum model of plant root growth

Creator:: Feng, Yongsheng
Abstract:: The continuum theory provides a framework in which the growth of a plant root as a dynamic process involving interactions among transport of water and solute, cell division, and the subsequent cell elongation can be described. A plant root is modeled as a one-dimensional, multi-phase, mathematical continuum. The network of...
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGEMENTS I, would like to express my deep appreciation to Dr. Larry Boersma for his support

Dynamic mathematical model of oxygen and carbon dioxide exchange between soil and atmosphere

Creator:: Ou-yang, Ying
Abstract:: Gaseous transport through soil in the presence of soil microorganisms has been investigated. More recently, modeling of gaseous transport in the unsaturated zone has been investigated. However, the problem of mathematical model of oxygen and carbon dioxide transport through soil, as affected by the climatic conditions, the transport of soil...
Resource Type:: Dissertation
Full Text:: Larry boersma Gaseous transport through soil in the presence of soil microorganisms has been

ScholarsArchive@OSU

Physiological and yield responses of snap beans (Phaseolus vulgaris) to water availability

Temperature and water potential effects on physiological functions of sudangrass (Sorghum vulgare var. Piper)

Measurement and interpretation of physical properties of soils

Gaussian elimination technique for solving the diffusion equation for moisture movement in unsaturated soil

The steady state flow of water through unsaturated soil in the low capillary potential region

Theoretical and experimental evaluation of transfer of 2, 4-dichlorophenoxyacetic acid in porous media

Translocation of photosynthates in soybeans (Glycine Max. (L) Merr. cv. Wilkin) as affected by soil water potential and soil temperature

An evaluation of soil warming for increased crop production

A continuum model of plant root growth

Dynamic mathematical model of oxygen and carbon dioxide exchange between soil and atmosphere

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