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Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Creator:: Ayres, Thomas Arthur
Abstract:: The effect of nitrogen (N) application on seed yield of Limnanthes alba was studied for two years at two locations. Seeding following alfalfa (Medicago sativa L.) was compared to establishment after wheat (Triticum aestivum L.). Treatments used were a control (no N applied), and two rates of N (50 and...
Resource Type:: Masters Thesis
Full Text:: . Effect of Nitrogen Rates and Plant Spacing on Sunflower Seed Yields and Other Characteristics. Agron J

Nitrate reductase activity as a factor influencing the seasonal succession of marine phytoplankton

Creator:: Roelofs, Nancy Ann
Abstract:: Nitrate reductase is known to be the enzyme regulating the reduction of nitrate to nitrite in plants. This reduction is the first and rate-limiting step in the transformation of inorganic nitrate to a cellular nitrogen form. Since this reduction process is essential to phytoplankton growth when nitrate is the only...
Resource Type:: Masters Thesis
Full Text:: rate of this first step depends on the activity of the enzyme nitrate reductase. The presence of

Effect of different nitrogen fertilizer treatments on malting quality of Hannchen barley

Creator:: Batchelder, Fred Charles
Resource Type:: Masters Thesis
Full Text:: Effect of Different Nitrogen Fertilizer Treatments on

The influence on winter wheat yields of competitive weedy species

Creator:: Albeke, William Edgar
Abstract:: A study was conducted to compare the competitive ability with weeds of the short-strawed Gaines variety wheat and taller growing varieties under different fertility levels at three experimental locations. The experiments were designed so that the effects of variety, nitrogen fertilization, and weed competition could be evaluated. The interactions between...
Resource Type:: Masters Thesis
Full Text:: -dwarf growth habit 1 Effect of nitrogen fertilization on performance of wheat 4 Effect of weed

Ozone inhibition of transpiration and photosynthesis of two soybean (Glycine max. [L.] Merr.) cultivars

Creator:: Yingjajaval, Suntaree
Resource Type:: Masters Thesis
Full Text:: to regain photosynthetic capacity fully. The first effect of ozone was on stomatal resistance. The

Some effects of sulfur fertilization on the nutrient value of subclover-grass forage

Creator:: McCarthy, Michael J.
Abstract:: Pastures consisting of mixtures of subclover (Trifolium subterraneum) and grasses have responded to sulfur fertilization on many sites in Douglas County, Oregon. The objectives of this study were to examine specific changes in forage quality which occur as sulfur is applied in excess of the amount required for maximum yield...
Resource Type:: Masters Thesis
Full Text:: with the application of sulfur. (3) Increases in suflur content of the plant species. (4) The effect

The effects of light on photosynthesis and rooting of leafy cuttings of Pisum sativum L.

Creator:: Davis, Tim D.
Abstract:: The effects of light incident on leafy cuttings is quite complex because' light influences several factors which may affect root formation. One effect of light is to influence the carbohydrate status of the cutting by influencing photosynthesis. The role of current photosynthate in the rooting of leafy cuttings is uncertain....
Resource Type:: Masters Thesis
Full Text:: The effect on rooting of defoliation of pea cuttings at different times during the rooting period 55

The differential response of Fraxinus pennsylvanica, Liquidambar styraciflua, and Acer saccharinum to picloram as measured by CO₂ absorption and evolution

Creator:: Webb, Warren Lewis, 1935-
Abstract:: The tolerance of woody plants to picloram (4amino-3,5,6-trichloropicolinic acid) has been shown by field applications to vary from mild to extreme. A laboratory study was done to investigate the basic causes for this range of tolerance known to exist among three woody plant species, Fraxinus pennsylvanics, March, (green ash) resistant,...
Resource Type:: Masters Thesis

Selective filtering of light by coniferous forests and minimum light energy requirements for regeneration

Creator:: Atzet, Thomas
Abstract:: Spectroradiometric analyses were made to examine the light filtering capacity of coniferous forests and to establish the lower light energy limits for growth of Pseudotsuga menziesii (Mirb. ) Franco, Abies concolor (Gord. and Glend.) Lindi. and Pinus ponderosa Dougi. Visible energy(400-750 nm) was recorded at 48 points under four mixed...
Resource Type:: Masters Thesis

The effects of univalent cations on the inductive formation of nitrate reductase

Creator:: Nitsos, Ronald Eugene
Abstract:: An investigation was undertaken to determine whether potassium is indeed necessary for the in vivo synthesis of a specific protein. The effects of univalent cations on the inductive formation of nitrate reductase and on the level of activity of representative non-adaptive enzyme are presented. Cultures of Neurospora crassa were grown...
Resource Type:: Masters Thesis
Full Text:: Univalent Cations on the Inductive Formation of Nitrate Reductase Abstract approved (Major professor) An

ScholarsArchive@OSU

Yield, quality characteristics, and composition of Limnanthes alba seed as affected by rate, source, and date of nitrogen application

Nitrate reductase activity as a factor influencing the seasonal succession of marine phytoplankton

Effect of different nitrogen fertilizer treatments on malting quality of Hannchen barley

The influence on winter wheat yields of competitive weedy species

Ozone inhibition of transpiration and photosynthesis of two soybean (Glycine max. [L.] Merr.) cultivars

Some effects of sulfur fertilization on the nutrient value of subclover-grass forage

The effects of light on photosynthesis and rooting of leafy cuttings of Pisum sativum L.

The differential response of Fraxinus pennsylvanica, Liquidambar styraciflua, and Acer saccharinum to picloram as measured by CO₂ absorption and evolution

Selective filtering of light by coniferous forests and minimum light energy requirements for regeneration

The effects of univalent cations on the inductive formation of nitrate reductase

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