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Filtering by: Creator Hansen, Michael M. Advisor Bolton, Floyd E.

The effect of precipitation variation on soil moisture, soil nitrogen, nitrogen response and winter wheat yields in eastern Oregon

Creator:

Glenn, D. M. (David Michael)

Abstract:

The semi-arid regions of the Pacific Northwest are characterized by a high degree of annual temperature and precipitation variation. As a result of this climatic variation, dryland nitrogen fertilizer trials on fallow- ,wheat rotations typically demonstrate a variable response. Wheat growers in the area must not only cope with this...

Resource Type:

Dissertation

Full Text:

OF David Michael Glenn for the degree of Doctor of Philosophy in Crop Science presented on February