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Molybdenum status of subclover (Trifolium subterraneum) as affected by Mo and S fertilization and soil type

Creator:: Jarrell, Wesley M.
Abstract:: Field studies designed to study residual effects from fertilizer molybdenum were initiated in September 1971 on established grass-clover pastures at ten sites in Western Oregon. Treatments were 0.0 and 1.12 kg molybdenum /ha on plots receiving 0-35-0-20S fertilizer (elemental sulfur-S) and 0.0, 0.56, 1.12 and 2.24 kg molybdenum /ha on...
Resource Type:: Masters Thesis
Full Text:: . V. Volk and H.J. Evans, members of my committee, for advice, instruction and friendship; Drs. S

Clay mineralogy and related chemical properties of soils formed on Mazama pumice

Creator:: Chichester, Frederick Wesley
Abstract:: A sequence of soil profiles was sampled along a climate-vegetation transect on the dated Mazama pumice fall in central Oregon. The <2 μ size fraction from each sample was characterized with respect to the relative significance of amorphous and crystalline components, and the individual minerals of the latter group were...
Resource Type:: Dissertation
Full Text:: investigation, and to Drs. H. J. Evans and W. D. Loomis in recognition of their willingness to serve as

Postharvest physiology of 'Anjou' pear fruit : relations between mineral nutrition and cork spot, respiration, and ethylene evolution

Creator:: Al-Ani, Abdulilah Mokhlif
Resource Type:: Dissertation
Full Text:: . J. Breen, H. J. Evans, P. B. Lombard, B. D. Cleary and R. L. Stebbins for

The effect of soil acidity and lime placement on root growth and yield of winter wheat and alfalfa

Creator:: Kauffman, Marvin Dean
Abstract:: The application of lime to an acid Nekia soil significantly increased the yield of winter wheat and alfalfa in a field experiment. Crop yields maximized when the lime was partially mixed into the surface four inches of the soil. Thorough mixing of the lime into the surface six inches of...
Resource Type:: Dissertation
Full Text:: . Evans, R. G. Petersen and R. K. Fend all) for their help and cooperation. Appreciation should also be

Physiology of senescence of the shoot apex in Pisum sativum L.

Creator:: Ecklund, Paul Richard, 1941-
Abstract:: Shoot apex senescence is defined as the collective progressive and deteriorative processes which ultimately terminate the functional life of the shoot apex. Senescence of shoot apices of Pisum sativum L. 'Alaska' as measured by cessation of stem elongation was delayed by removal of flowers and by treatment with gibberellin A₃...
Resource Type:: Dissertation
Full Text:: also expressed to Drs. H. J. Evans, F. H. Smith and R. R. Becker for their service on my committee

Selective inhibition of ion absorption by uranyl

Creator:: Mason, Benjamin J.
Abstract:: The research presented in this thesis evaluated the effects of uranyl (UO₂⁺⁺) upon the absorption of Li, Na, K, Rb, and Cl. Due to the biological importance of Na and K, these two ions were studied in the greatest detail. The results of this research showed that, at UO₂⁺⁺ concentrations...
Resource Type:: Dissertation
Full Text:: the members of my graduate committee - -Dr. H. J. Evans, Dr. C. T. Youngberg and Dr. William K

Some soil factors affecting snowbrush nodulation

Creator:: Scott, William
Resource Type:: Dissertation
Full Text:: equation was calculated (N = 8. 42 + 1. 47(B) where N = percent snowbrush nodulation and. B = percent

Hydrolysis and biological degradation of atrazine in soils

Creator:: Skipper, H. D. (Horace D.)
Abstract:: Detoxification of atrazine in soils results from both chemical hydrolysis and microbial degradation. Infrared analysis was used to study the hydrolysis of atrazine upon interaction with soil colloids and to ascertain the existence of enol, keto, and protonated-keto forms of hydroxyatrazine. Evolution of ¹⁴CO₂ from ¹⁴C-atrazine and ¹⁴C-hydroxyatrazine was indicative...
Resource Type:: Dissertation
Full Text:: the manuscript. To other members of my graduate committeeDrs. H. J. Evans, C. E. Horner, and G

Effects of washing and aging on the metabolism of red beet root slices

Creator:: Kolattukudy, Pappachan Ettoop
Abstract:: The rate of the C¹⁴0₂ release from glucose, specifically labeled with C¹⁴ at 1, 2, 3+4, and positions, was used to study the relative participation of pathways of glucose catabolism in red beet slices. Evidence was obtained which indicated that in mature red beets glucose was catabolized mainly via glycolysis-tricarboxylic...
Resource Type:: Dissertation
Full Text:: those on my advisory committee; Dr, R. W, l çwburgh, Dr, J, L. Kice and Dr. H. J. Evans is greatly

The effect of selected potassium salts on the availability of soil manganese

Creator:: Westermann, D. T. (Dale Thomas), 1941-
Abstract:: Incubation experiments with an acid poorly drained soil have shown that the application of neutral soluble salts influenced the level of extractable Mn. The application of a salt which lowered the soil pH either increased the extractable Mn or retarded the oxidation and/or fixation of extractable Mn. This effect was...
Resource Type:: Dissertation
Full Text:: Drs. H. J. Evans and K. F. Oles for the giving of their time and counsel as members of my graduate

ScholarsArchive@OSU

Molybdenum status of subclover (Trifolium subterraneum) as affected by Mo and S fertilization and soil type

Clay mineralogy and related chemical properties of soils formed on Mazama pumice

Postharvest physiology of 'Anjou' pear fruit : relations between mineral nutrition and cork spot, respiration, and ethylene evolution

The effect of soil acidity and lime placement on root growth and yield of winter wheat and alfalfa

Physiology of senescence of the shoot apex in Pisum sativum L.

Selective inhibition of ion absorption by uranyl

Some soil factors affecting snowbrush nodulation

Hydrolysis and biological degradation of atrazine in soils

Effects of washing and aging on the metabolism of red beet root slices

The effect of selected potassium salts on the availability of soil manganese

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