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The effect of soil moisture suction and soil temperature on transpiration, photosynthesis and respiration in Monterey pine (Pinus radiata D. Don)

Creator:: Babalola, Olaoluwa
Abstract:: A special apparatus was developed in which the soil moisture levels of several soil cells could be maintained independently by various osmotic solutions at a selected temperature. The effect of four soil moisture suctions and four soil temperatures on the rates of transpiration, photosynthesis and respiration of monterey pine seedlings...
Resource Type:: Masters Thesis
Full Text:: on Transpiration, Photosyntheseis and Respiration of Monterey Pine (Pinus Radiata D. Don) AN

The effects of mycorrhizal colonization and phosphorus fertilization on Douglas-fir seedling growth, morphology, and photosynthesis

Creator:: Black, C. H. (Charles H.)
Resource Type:: Dissertation
Full Text:: the course of my work Dr. Larry Boersma, Dr. Jim Trappe, and Dr. Don Zobel were particularly useful

Some soil factors affecting snowbrush nodulation

Creator:: Scott, William
Resource Type:: Dissertation
Full Text:: cedar (Thuja plicata Don), grand fir (Abies grandis (Dougl. ) Lindl. ), and western white pine (Pinus

Effect of snowbrush on the establishment and growth of Douglas-fir seedlings

Creator:: Scott, William
Abstract:: Six, recent clear cut areas were selected in the Douglas-fir zone of the Western Cascade Range of Oregon to determine the environmental and nutritional effects that snowbrush has on the establishment and growth of Douglas-fir seedlings. One thousand eighty milacre sample plots on the six clear cuts were used to...
Resource Type:: Masters Thesis
Full Text:: temperature °F related to position of snowbrush cover in 1967. 55 7. Average maximum soil surface temperature

Amount and chemical composition of understory vegetation in Alsea basin forest communities

Creator:: Tarnócai, Charles
Abstract:: The understory vegetation was sampled in eight plant communities of a Douglas-fir ecosystem to determine the organic matter production and mineral composition. Four sample sites were selected in each plant community and the understory vegetation sampled using the method of quadrats of successively increasing size. All herbaceous plants were separated...
Resource Type:: Masters Thesis
Full Text:: (inches) for 1966 (U. S. Weather Bureau). 2 Average monthly temperatures (F°) for 1966 (U. S. Weather

The role of certain non-leguminous woody species in the nitrogen nutrition of some conifer seedlings

Creator:: Wollum, Arthur George
Resource Type:: Masters Thesis
Full Text:: open exceeded those under snowbrush by as much as 30°F . Youngberg, (36 p . 1- 3) working on cut over

Effect of phosphorus forms and fertilizer rates on mycorrhizal development on containerized seedlings

Creator:: Munson, Kenneth Richard
Resource Type:: Masters Thesis
Full Text:: of N, F, and K, respectively. The Low level rates were one half of the High rate. The Low-High

Growth rate of wheat (Triticum aestivm L., var. Gaines) as a function of moisture stress and nitrogen supply

Creator:: Amujo, Stephen Jimo
Abstract:: The effect of moisture stress and nutrients on the rate of growth of wheat (Triticum aestivum L. Var. Gaines) seedlings was studied. A special apparatus in which the moisture stress of several perlite cells could be maintained constant by osmotic solutions was used. Predetermined amounts of nitrogen were added to...
Resource Type:: Masters Thesis
Full Text:: MASTER OF SCIENCE in (Name) SOILS (Major) presented on (Degree) f (Date) Title: GROWTH RATE OF

Soil-site relationships in second growth Douglas-fir stands in the central Oregon coast range

Creator:: Urie, Dean Howard
Resource Type:: Masters Thesis
Full Text:: the center of the study area the mean July temperature is 61 F. and the mean January temperature

Soil-vegetation relationships withing the ponderosa pine type in the central Oregon pumice region

Creator:: Dyrness, C. T.
Resource Type:: Dissertation
Full Text:: include Drs. T. W. Chilcote, W. K. Ferrell, F. G. Knox, and C. E. Poulton. The writer is indebted to

ScholarsArchive@OSU

The effect of soil moisture suction and soil temperature on transpiration, photosynthesis and respiration in Monterey pine (Pinus radiata D. Don)

The effects of mycorrhizal colonization and phosphorus fertilization on Douglas-fir seedling growth, morphology, and photosynthesis

Some soil factors affecting snowbrush nodulation

Effect of snowbrush on the establishment and growth of Douglas-fir seedlings

Amount and chemical composition of understory vegetation in Alsea basin forest communities

The role of certain non-leguminous woody species in the nitrogen nutrition of some conifer seedlings

Effect of phosphorus forms and fertilizer rates on mycorrhizal development on containerized seedlings

Growth rate of wheat (Triticum aestivm L., var. Gaines) as a function of moisture stress and nitrogen supply

Soil-site relationships in second growth Douglas-fir stands in the central Oregon coast range

Soil-vegetation relationships withing the ponderosa pine type in the central Oregon pumice region

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