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Creator:: Vigil, Frederick Rudolph
Abstract:: An experiment was conducted to determine the best method to establish subterranean clover on medusahead infested ranges in Western Oregon. Secondary objectives of this study were to determind the effects of management treatments on (a) subterranean clover density, (b) density of medusahead and other vegetation, and (c) yield of subterranean...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for privacy Dr. William R. Furtick An experiment was conducted to determine

Creator:: Dashti, Narjes Haje
Resource Type:: Masters Thesis
Full Text:: . meliloti (Hughes and Vincent, 1942), R. leguminosarum bv. trifolii, (Holland, 1966) and Bradvrhizobium

Creator:: Wanjagi, Francis Ndung'u
Abstract:: In a series of greenhouse experiments, isolates representing serotypically distinct subpopulations of Rhizobium leguminosarum bv. trifolii recovered from root nodules of field-grown subclover Trifolium subterraneum cv. "Nangeela"), were evaluated for their symbiotic effectiveness potential, their effect on regrowth potential of subclover, and for their competitive abilities to form nodules. Isolates...
Resource Type:: Masters Thesis
Full Text:: " subclover nodulated with isolates representing nodule-dominant serotypes AS6, AS6-21, and AS21 of R

Creator:: Attavirojana, Pitsanu
Abstract:: Two separate investigations were carried out. The first experiment on subterranean clover (Mr. Barker) was conducted in the field and greenhouse on the Steiwer soil. The second experiment on alfalfa (DuPuits) was conducted in the greenhouse on selected eastern Oregon soils. The purposes of the first experiment were to determine...
Resource Type:: Masters Thesis
Full Text:: effective Rhizobium trifolii strain obtained from Dr. J. Vincent, University of Sidney, Australia. 22

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:: affected by the pH- related factors listed above (Loneragon and Dowling, 1958; Bergerson, 1961; Vincent

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