Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Peppermint -- Fertilizers -- Oregon -- Willamette River Valley Advisor Christensen, Neil W. Language English [eng]

Nitrogen available to winter wheat as influenced by previous crop in a moist xeric environment

Creator:

Qureshi, Maqsood Hassan

Abstract:

Rotating wheat with other crops is a common practice in the Willamette Valley of western Oregon. Depending upon previous crop and soil type, current N fertilizer recommendations for wheat in the Willamette Valley vary widely. Excessive fertilizer poses environmental risk, whereas lower N inputs than required by the crop represent...

Resource Type:

Dissertation

Full Text:

different crops on a variety of soils in the Willamette Valley of western Oregon. Nitrogen fertilizer
Fertilizer nitrogen use efficiency by winter wheat in the Willamette Valley

Creator:

Kjelgren, Roger Keith

Abstract:

Efficiency of nitrogen fertilizer uptake by soft white winter wheat (Triticum aestivum L.) was measured over two cropping seasons across a range of soils and cropping histories in the Willamette Valley. Fate and potential losses of applied nitrogen were also assessed over a seventeen month period. In both cropping seasons,...

Resource Type:

Masters Thesis

Full Text:

, can contribute to improved N fertilizer recommendations for wheat in the Willamette Valley
Evaluation of soil and plant analyses as components of a nitrogen monitoring program for silage corn

Creator:

Marx, Ernest S.

Resource Type:

Masters Thesis

Full Text:

Willamette Valley of western Oregon during a two year period (1993-1994). Twenty-three of the experiments