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Alfalfa cutting management in the Columbia Basin

Creator:: Suttner, Donald Lee
Abstract:: Field studies to determine appropriate cutting management regimes consistent with yield, quality, and persistence of stand were conducted on several alfalfa varieties in the Columbia Basin region of Oregon. Two groups of treatments, including consecutive cuts at the same stage of maturity and cuts made at varying maturities, were imposed...
Resource Type:: Dissertation
Full Text:: several alfalfa varieties in the Columbia Basin region of Oregon. Two groups of treatments, including

Aluminum toxicity in wheat (Triticum aestivum Vill., host)

Creator:: Kerridge, Peter Campbell
Abstract:: Wheat varieties of differential tolerance to Al were used in a series of nutrient solution experiments to study the inhibitory effects of Al on growth and nutrient uptake. The pH and the Al and P concentrations were rigorously maintained to prevent the confounding effects of Al and P precipitation and...
Resource Type:: Dissertation
Full Text:: Randall, 1962). Differences in tolerance to Al among wheat varieties were first shown by Neenan (1960

The biosynthesis and metabolism of (-)-kaurene in cell-free extracts of immature pea seeds

Creator:: Coolbaugh, Ronald Charles, 1944-
Abstract:: Procedures were developed for assaying the biosynthesis of (-)- kaurene-¹⁴C and other intermediates in gibberellin (GA) synthesis from mevalonic acid-¹⁴C in cell-free enzyme extracts of immature pea (Pisum sativum L. cv. Alaska) seeds. This system was utilized to investigate three aspects of GA biosynthesis: (1) apparent capacities for (-)-kaurene biosynthesis...
Resource Type:: Dissertation
Full Text:: Baldev, Lang and Agatep, 1965; Corcoran and Phinney, 1962). Localization of GA biosynthesis in a

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:: and Bloomfield (1962) found that flooding a soil resulted in increased Mo availability; upon

Factors affecting establishment, survival, and production of birdsfoot trefoil (Lotus corniculatus L.) and alfalfa (Medicago sativa L.)

Creator:: Cooper, Clee Scott
Abstract:: Field, greenhouse, growth chamber and laboratory experiments evaluated factors affecting establishment, survival and production of birdsfoot trefoil (Lotus corniculatus L.) and alfalfa (Medicago sativa L.) Field studies investigated the effects of a barley companion crop, seedling year harvest management and nitrogen and phosphorus fertilization upon stands, survival and subsequent production...
Resource Type:: Dissertation
Full Text:: . Percentege oecuPancy of alfalfa and birdsfoot tre- foit plants in mixtures with orehardgrass in 1961 and 1962

Physiology, quality, and agronomic performance of snap beans (Phaseolus vulgaris L.) and spring wheat (Triticum aestivum L.) as affected by environment and several plant growth regulators

Creator:: Hile, Mahlon Malcolm Schallig
Abstract:: Experiments were conducted to determine the effect of environment and several plant growth regulators on the physiology, quality, and agronomic performance of snap beans (Phaseolus vulgaris L. ) and spring wheat (Triticum aestivum L. ). The potassium salts of naphthenic acid and cyclohexanecarboxylic acid, received particular attention. Application of potassium...
Resource Type:: Dissertation
Full Text:: reductions in height were noted in Twin but not with Anza at the higher KNap application. Both varieties

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:: observed in a variety of storage tissues. The respiratory rise which occurs when potato slices are

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:: disorder is predominant in the Anjou variety, rare occurrences of cork spot have been observed on

Urea release from sulfur-coated urea and nitrogen utilization by tall fescue

Creator:: Pettygrove, G. Stuart
Abstract:: Sulfur-coated urea (SCU), a slow release nitrogen fertilizer, may be economically competitive with conventional fertilizers, but little is known of the mechanism of urea release from SCU and the environmental factors which affect the urea release rate. Objectives of this thesis were: (1) to determine factors which affect the rate...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Soil Science presented on February 21, 1977 Title: UREA

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:: were then incubated an additional 72 hours before the halide salt effect was evaluated. In the acidic

ScholarsArchive@OSU

Alfalfa cutting management in the Columbia Basin

Aluminum toxicity in wheat (Triticum aestivum Vill., host)

The biosynthesis and metabolism of (-)-kaurene in cell-free extracts of immature pea seeds

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

Factors affecting establishment, survival, and production of birdsfoot trefoil (Lotus corniculatus L.) and alfalfa (Medicago sativa L.)

Physiology, quality, and agronomic performance of snap beans (Phaseolus vulgaris L.) and spring wheat (Triticum aestivum L.) as affected by environment and several plant growth regulators

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

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

Urea release from sulfur-coated urea and nitrogen utilization by tall fescue

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

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