Index Catalog // ScholarsArchive@OSU

Residue management and yield characteristics of fine fescue seed crops

Creator:: Schumacher, Derek David
Abstract:: Chewings fescue [Festuca rubra L. subsp. fallax (Thuill.) Nyman] is a desired turfgrass with dense sod forming capabilities and superior shade tolerance. Thermal residue management (open-field burning) has traditionally been used to remove post-harvest residue and maintain seed yield over the life of the stand. However, alternative non-thermal residue management...
Resource Type:: Masters Thesis
Full Text:: -harvest residue management of fine fescue seed crops in the Willamette Valley has consisted of open-field

Trinexapac-ethyl and open-field burning in creeping red fescue (Festuca rubra L.) seed production in the Willamette Valley

Creator:: Zapiola, Maria Luz
Abstract:: Open-field burning has been an effective, economical, and widespread method of post-harvest residue management in creeping red fescue seed production in the Willamette Valley since the late 1940s. However, the use of field burning has been legislatively restricted due to air quality and safety issues. The foliar-applied plant growth regulator...
Resource Type:: Masters Thesis
Full Text:: Open-Field Burning in Creeping Red Fescue (Festuca rubra L.) Seed Production in the Willamette Valley

Methods to assess factors that influence grass seed yield

Creator:: Louhaichi, Mounir
Abstract:: A greater than 10-fold increase in Canada goose (Branta canadensis) populations over the past several years has resulted in concerns over grazing impacts on grass seed production in the mid-Willamette Valley, Oregon. This study was designed to develop methods to quantify and statistically analyze goose-grazing impacts on seed yields of...
Resource Type:: Dissertation
Full Text:: in concerns over grazing impacts on grass seed production in the mid-Willamette Valley, Oregon. This

Nutrient management for annual ryegrass grown for seed : western Oregon

Creator:: Hart, John M. (John Mervyn), 1947-, Mellbye, M. E., Young, William C., III, Silberstein, T., and Oregon State University. Extension Service
Abstract:: Published December 2003. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: systems in the Willamette Valley. In: W.C. Young III (ed.), Seed Production Research at Oregon State

Introducing geographic information systems to grass seed growers in the Willamette Valley of Oregon

Creator:: Hedstrom, Keldah E.
Abstract:: Oregon is the number one producer of cool-season grass seed in the United States. The center of the grass seed industry of Oregon is located in the Willamette Valley, where about 470,000 acres of seed are grown. Innovative grass seed growers of the area are beginning to implement precision agriculture...
Resource Type:: Masters Thesis

Conserving avian diversity in agricultural systems : the role of isolated Oregon white oak legacy trees

Creator:: DeMars, Craig A.
Abstract:: Over one third of the earth’s land surface has been modified to some extent for agricultural purposes. The large global footprint of agriculture, combined with the knowledge that existing reserve networks are likely insufficient for long-term conservation of native biodiversity, has necessitated that agricultural systems contribute to conservation of native...
Resource Type:: Masters Thesis
Full Text:: caterpillars detected using isolated white oak legacy trees in the Willamette Valley, Oregon during

Private forests, public policy : oak conservation on family forests in Oregon’s Willamette Valley

Creator:: Fischer, Alexandra Paige
Abstract:: In the United States, many of the thorniest natural resource conflicts occur on private lands. This is especially true in the Willamette Valley of Western Oregon where the hallmark habitat type, Oregon white oak woodland and savanna, is imperiled. Almost exclusively found on private land, Oregon white oak is threatened...
Resource Type:: Dissertation
Full Text:: occur on private lands. This is especially true in the Willamette Valley of Western Oregon where the

An eleven year study of nitrate leaching in vegetable production with winter cover crops

Creator:: Feaga, Jeff
Abstract:: The Willamette Valley of Oregon has high rates of winter precipitation that cause leaching losses of residual fertilizer nitrogen (N) as nitrate (NO₃). Cover crops may have potential to mitigate N loss. Shallow groundwater was sampled for 11 years from plots planted in summer vegetables with and without winter cover...
Resource Type:: Masters Thesis

Pollination and pollinators of pumpkin and squash (Cucurbita maxima Duchesne) grown for seed production in the Willamette Valley of western Oregon

Creator:: Gavilánez-Slone, Jenny M.
Abstract:: 'Golden Delicious' winter squash (GDWS), Cucurbita maxima Duchesne, provides significant amounts of pollen (24 mg) and nectar (236 μl), but with a low reward of 14% nectar sugar. The quantity of nectar produced per GDWS flower differed between sites and floral sex. The GDWS male flowers had 25% higher sugar...
Resource Type:: Masters Thesis
Full Text:: maxima Duchesne) grown for seed production in the Willamette Valley of western Oregon AN ABSTRACT OF

Effect of soil moisture manipulation and nitrogen application on leaf gas exchange, fruit composition, and carbohydrate storage of Pinot noir and Chardonnay grapevines in the Willamette Valley

Creator:: Howe, Jessica
Abstract:: This study integrates various vineyard practices that may improve nitrogen availability to the vine, particularly during ripening. Different strategies aimed at increasing yeast assimilable nitrogen in the fruit at harvest have been evaluated. This study seeks to improve fermentation behavior and wine quality through vineyard practices used for nitrogen management....
Resource Type:: Masters Thesis
Full Text:: the Willamette Valley By Jessica Howe A THESIS Submitted to Oregon State University in

ScholarsArchive@OSU

Residue management and yield characteristics of fine fescue seed crops

Trinexapac-ethyl and open-field burning in creeping red fescue (Festuca rubra L.) seed production in the Willamette Valley

Methods to assess factors that influence grass seed yield

Nutrient management for annual ryegrass grown for seed : western Oregon

Introducing geographic information systems to grass seed growers in the Willamette Valley of Oregon

Conserving avian diversity in agricultural systems : the role of isolated Oregon white oak legacy trees

Private forests, public policy : oak conservation on family forests in Oregon’s Willamette Valley

An eleven year study of nitrate leaching in vegetable production with winter cover crops

Pollination and pollinators of pumpkin and squash (Cucurbita maxima Duchesne) grown for seed production in the Willamette Valley of western Oregon

Effect of soil moisture manipulation and nitrogen application on leaf gas exchange, fruit composition, and carbohydrate storage of Pinot noir and Chardonnay grapevines in the Willamette Valley

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