Molybdenum status of selected Oregon soils and subterranean clover response to molybdate Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/gb19f931m

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  • Studies were undertaken on the Steiwer, Hazelair, Hedden, Dixonville, Knappa, Haines, Ladd, Wingville and Powder soil series plus three additional unnamed soils from western Oregon, in an effort to determine their molybdenum status and to evaluate the use of the anion exchange resin method as a means of assaying available soil molybdenum. These studies involved field and greenhouse trials with the western Oregon soils and laboratory studies on both the eastern and western Oregon soils. Lime and molybdenum, singly and in combination were applied to subterranean clover in the greenhouse and the field in an attempt to correlate resin extractable soil molybdenum with plant growth. Highly significant responses of subterranean clover were obtained from the applications of lime and molybdenum on five of the eight western Oregon soils studied. Good correlations of extractable molybdenum with plant nitrogen and dry matter yield were obtained, indicating that the anion exchange resin method holds some promise as a means of measuring available soil molybdenum.
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