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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

Leaf elongation as a function of soil water potential and photoperiod

Creator:: Hodges, T.
Abstract:: Leaf elongation is a major indicator of plant growth. It is controlled by complex interactions of many factors including light intensity, photoperiod, water availability, atmospheric conditions, and plant water stress. In this study, the response of leaf elongation to length of photoperiod and to plant water stress as indicated by...
Resource Type:: Masters Thesis
Full Text:: rate of photosynthesis of a species may have less effect on overall plant growth than does its

Effects of lime and VA-Mycorrhiza interactions on growth responses of sweetgum seedlings

Creator:: Davis, Elizabeth Anne
Abstract:: A study, consisting of two sequential greenhouse experiments, was designed to determine the effects of soil liming upon the fungal partner in a mycorrhizal association. A Willamette Valley foothill soil, of the Jory series, was limed in increments to achieve a range of acidity and alkalinity. The P-deficiency and P-fixing...
Resource Type:: Masters Thesis
Full Text:: induce a pathogenic effect. Effects of soil tillage on mycorrhizal develpment of had not been

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:: Potential 82 Effects on Plant Growth 86 Leaf Elongation Rate 86 Effects of Soil Water Potential and Soil

Soil pH and calcium effects on nodulation of nursery grown red alder

Creator:: Crannell, Wanda K.
Resource Type:: Masters Thesis
Full Text:: ., 1985). The effect of increased bases in the soil surface layers on subsequent nodulation is often

Effects of long-term residue management and nitrogen fertilization on availability and profile distribution of nitrogen, phosphorus, and sulfur

Creator:: Christ, Robert A.
Resource Type:: Masters Thesis
Full Text:: Center, Oregon. 19 1.2 Effect of greenhouse N application rate on cumulative dry matter yield of

Influence of soil acidity upon nodulation and growth characteristics of Trifolium subterraneum L.

Creator:: Almendras, Angela S.
Abstract:: Previous research had identified four serogroups of Rhizobium trifolii indigenous to Abiqua soil (fine, mixed, mesic, Cumulic Ultic Haploxerolls). Nodulation of subterranean clover (Trifolium, subterraneum L.) by two of the serogroups, 6 and 36, was influenced by the application of CaC0₃ to the soil. The studies described in this thesis...
Resource Type:: Dissertation
Full Text:: et al., 1986). Influence of Acidity on the Host Plant Characterizing the effect of soil acidity on

Chloride fertilizer effects on grain yield, water potential components and disease severity of winter wheat with take-all

Creator:: Mitchell, Becky
Abstract:: Take-all root rot (caused by Gaeumannomyces graminis var. tritici, Ggt) is one of the major diseases limiting winter wheat yields in western Oregon. Losses caused by take-all (TA) can be significantly reduced through crop management and fertilization practices. Results from field experiments in western Oregon show that the use of...
Resource Type:: Masters Thesis
Full Text:: using two methods, (1) visual estimation of black root lesions on three dates, and (2) whole plant

Phosphorus nutrition of pear seedlings with different mycorrhizae and of wheat cultivars with different efficiencies

Creator:: Gardiner, Duane T.
Resource Type:: Dissertation
Full Text:: , 0.25, and 0.40 mg P L-1 of soil solution, based on a P-sorption isotherm. At age 145 d, dry wt, plant

ScholarsArchive@OSU

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

Leaf elongation as a function of soil water potential and photoperiod

Effects of lime and VA-Mycorrhiza interactions on growth responses of sweetgum seedlings

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

Soil pH and calcium effects on nodulation of nursery grown red alder

Effects of long-term residue management and nitrogen fertilization on availability and profile distribution of nitrogen, phosphorus, and sulfur

Influence of soil acidity upon nodulation and growth characteristics of Trifolium subterraneum L.

Chloride fertilizer effects on grain yield, water potential components and disease severity of winter wheat with take-all

Phosphorus nutrition of pear seedlings with different mycorrhizae and of wheat cultivars with different efficiencies

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