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Filtering by: Subject Wheat -- Fertilizers -- Oregon, Eastern Degree Level Doctoral

An economic evaluation of wheat fertilization strategies in North Central Oregon

Creator:

Ahmed, Awadelkarim Hamid

Resource Type:

Dissertation

Full Text:

. Oregon State Cooperative Extension Service. 1976. "Fertilizer Guide for Winter Wheat (Non-irrigated
Evaluation and use of a soil mineralizable nitrogen test to determine the fertilizer nitrogen needs of winter wheat grown in western Oregon

Creator:

Baloch, Dost M.

Abstract:

The assessment of optimum nitrogen (N) fertilizer need for winter wheat (Triticum aestivum L.) is important for economic and environmental sustainability. A comprehensive understanding of fertilizer N requirement depends on estimation of the quantity of N needed by the crop versus that supplied by soil. The objectives of this study...

Resource Type:

Dissertation

Full Text:

Determine the Fertilizer Nitrogen Needs of Winter Wheat Grown in Western Oregon AN ABSTRACT OF THE THESIS
Nitrogen and dry matter relationships for winter wheats produced in western Oregon

Creator:

Locke, Kerry A.

Resource Type:

Dissertation

Full Text:

represents 20% of the total variable costs of production for western Oregon wheat producers (Taylor, 1990
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:

legumes. Current nitrogen fertilizer recommendations for winter wheat grown in western Oregon are based