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Spring irrigation management of tall fescue (Festuca arundinacea Schreb.) seed crops

Creator:: Orthel, Krista D.
Abstract:: Later maturing cultivars and increased ability to apply irrigation have led to inquiries by producers about proper irrigation management in tall fescue (Festuca arundinacea Schreb.) seed crops. The literature reveals little information about irrigation of perennial grass seed crops in general, and none about tall fescue in particular. Willamette Valley...
Resource Type:: Masters Thesis
Full Text:: Tall Fescue (Festuca arundinacea Schreb.) Seed Crops. Abstract approved: Thomas G. Chastain Later

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:: . Christensen and Dr. John Hart for their availability, interest and incredible guidance. I am also thankful

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:: Yield Characteristics of Fine Fescue Seed Crops Abstract approved: Thomas G. Chastain Chewings fescue

The effects of paclobutrazol and uniconazol on red clover seed production

Creator:: Silberstein, Thomas B.
Abstract:: Excessive growth by red clover, Trifolium pratense L., grown for seed interferes with maximum seed production and harvest in Oregon's Willamette Valley. This study was conducted during 1986 and 1987 on red clover cv. Kenland to determine if plant height and dry matter production could be inhibited and seed yields...
Resource Type:: Masters Thesis
Full Text:: on Red Clover Seed Production. _ Redacted for PrivacyAbstract approved: Thomas G. Chastain Redacted

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:: . Christensen Rotating wheat with other crops is a common practice in the Willamette Valley of western Oregon

Ion exchange membranes and agronomic responses as tools for assessing nutrient availability

Creator:: Salisbury, Steven Earl
Abstract:: Winter wheat is commonly grown in rotation with leguminous and non-leguminous crops in the Willamette Valley. For agronomic, economic, and environmental reasons it is important to understand the influence of previous crops on availability of N and other nutrients. Objectives of this study were: (1) to evaluate the effects of...
Resource Type:: Masters Thesis
Full Text:: Responses as Tools for Assessing Nutrient Availability. Abstract approved: Neil W. Christensen

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:: . Christensen Agricultural producers need improved approaches to nitrogen management to reduce the risk of

Tall fescue growth and nitrogen uptake as influenced by non-thermal residue management

Creator:: Qureshi, Maqsood Hassan
Resource Type:: Masters Thesis
Full Text:: Nitrogen Uptake as Influenced by Non-thermal Residue Management. Abstract approved: Neil W. Christensen

The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Creator:: Nelson, Sheila J.
Resource Type:: Masters Thesis
Full Text:: g-1 soil. Samples inoculated with P. fluorescens Pf-5 had acid phosphatase activities 8 to 17 times

Perennial Ryegrass (Lolium perenne L.) Cultivar Response to a Postemergence Application of Mesotrione

Creator:: Hinds-Cook, Barbara J.
Abstract:: Perennial ryegrass (Lolium perenne L.) is a widely grown cool season, bunch type, short lived perennial grass that is native to Europe, Asia, and North Africa, but has been adapted globally. Perennial ryegrass is quick to establish, has a long growing season, and produces high seed yield and forage or...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Barbara J. Hinds-Cook

ScholarsArchive@OSU

Spring irrigation management of tall fescue (Festuca arundinacea Schreb.) seed crops

Evaluation and use of a soil mineralizable nitrogen test to determine the fertilizer nitrogen needs of winter wheat grown in western Oregon

Residue management and yield characteristics of fine fescue seed crops

The effects of paclobutrazol and uniconazol on red clover seed production

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

Ion exchange membranes and agronomic responses as tools for assessing nutrient availability

Evaluation of soil and plant analyses as components of a nitrogen monitoring program for silage corn

Tall fescue growth and nitrogen uptake as influenced by non-thermal residue management

The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Perennial Ryegrass (Lolium perenne L.) Cultivar Response to a Postemergence Application of Mesotrione

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