Index Catalog // ScholarsArchive@OSU

Irrigation and plant density effects on head rot and yield of broccoli

Creator:: Ludy, Robin L.
Abstract:: Effects of amount of applied water and frequency of irrigation on head rot and yield of three broccoli cultivars were evaluated in 1987 and 1988. Two irrigation frequencies were established with a line-source sprinkler system for 5.5 weeks during heading. The low-frequency experiment was watered once per week and the...
Resource Type:: Masters Thesis
Full Text:: Density Effects on Head Rot and Yield of Broccoli Abstract approved: ... . , . Delbert D

Effect of floating row covers on tomato and Romaine lettuce

Creator:: Abbes, Ahmed
Resource Type:: Masters Thesis
Full Text:: appreciation to my advisor, Dr. N. S. Mansour and my co-adviser Dr. D. D. Hemphill for their enthusiastic

Influence of nitrogen form ratio and calcium on greenhouse and field performance of watermelon

Creator:: Lamb, Michael J.
Abstract:: Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai var. Crimson Sweet) was seeded in a commercial peat mix in multicell containers (72 cells-tray⁻¹, 40 cm³-cell⁻¹) in July 1989 and April 1990. In 1989, the medium was amended with CaC0₃ at 10% w:v. In 1990, no CaC0₃ amendment was made. Watermelon seedling...
Resource Type:: Masters Thesis
Full Text:: . Clough Delbert D. Hemphil^ Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai var. Crimson

Integration of conservation tilage and cover crops in broccoli production systems of the Pacific Northwest

Creator:: O'Brien, Timothy John
Abstract:: Field and greenhouse experiments were conducted in 1996 and 1997 to evaluate the effects of integrating conservation tillage and cover cropping on broccoli production as well as agroecological parameters. A field experiment was conducted during 1996-97 at the Oregon State University Horticulture Research farm near Corvallis, OR. The specific objectives...
Resource Type:: Masters Thesis
Full Text:: to extend thanks to my graduate committee members: Drs. Carol Mallory-Smith and Delbert Hemphill

Vegetable research at the North Willamette Agricultural Experiment Station, 1997-1998

Creator:: Hemphill, Delbert D., Jr. and Oregon State University. Agricultural Experiment Station
Abstract:: We have conducted a full-time program of vegetable crop research at the North Willamette Research and Extension Center (formerly the North Willamette Experiment Station) since 1976. The Center, a branch of both Oregon State University's Agricultural Experiment Station and its Extension Service, is just north of Aurora, a historic farming...
Resource Type:: Technical Report
Full Text:: Delbert D. Hemphill, Jr. Professor of Horticulture Oregon State University North Willamette Research and

Impact of cover crops on weed abundance and nitrogen contribution in broccoli, Brassica oleracea var. italica, production systems in the maritime Pacific Northwest

Creator:: Angustia, Segundo Nova
Resource Type:: Masters Thesis
Full Text:: project. I thank Dr. Delbert D. Hamphill, Dr. Richard P. Dick, Dr. Timothy Righetti, and Dr. William

Irrigation scheduling methods and water use of sweet corn

Creator:: Braunworth Jr, William S.
Resource Type:: Dissertation
Full Text:: and advise, an encouragement, and enjoyable to work with. Appreciation is extended to Drs. D

Horticultural weed control : 1997 report

Creator:: Oregon State University. Department of Horticulture
Abstract:: Crops were grown at the experimental farms using accepted cultural practices ( within the limits of experimentation) or trials were conducted on growers' fields. Most experiments were designed as randomized complete blocks with three to five replications. Herbicide treatments were applied uniformly with precision plot sprays. Unless otherwise indicated, preplant...
Resource Type:: Technical Report
Full Text:: Ray D. William, Extension Horticultural Weed Specialist Phone: 541-737-5441 Williamr@bcc.orst.edu

Western Oregon vine crops : cucumbers, melons, squash, pumpkins [1990]

Creator:: Hart, John, Mansour, N. S., Hemphill, D. D., and Mack, H. J.
Abstract:: 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

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

Creator:: Chongwe, Edgar Happy
Abstract:: Three experiments whose objectives were to investigate cover crop kill by winter freeze, weed suppression by 'Micah' barley and other spring cereals, and allelopathic potential of cereal covers were conducted at the Vegetable Research Farm and in the greenhouse and growth chamber facilities at OSU in 1989/90. Kill by winter...
Resource Type:: Masters Thesis
Full Text:: , Drs. Ray D. William, Russell S. Karow and N.S. Mansour for their assistance and guidance in this

ScholarsArchive@OSU

Irrigation and plant density effects on head rot and yield of broccoli

Effect of floating row covers on tomato and Romaine lettuce

Influence of nitrogen form ratio and calcium on greenhouse and field performance of watermelon

Integration of conservation tilage and cover crops in broccoli production systems of the Pacific Northwest

Vegetable research at the North Willamette Agricultural Experiment Station, 1997-1998

Impact of cover crops on weed abundance and nitrogen contribution in broccoli, Brassica oleracea var. italica, production systems in the maritime Pacific Northwest

Irrigation scheduling methods and water use of sweet corn

Horticultural weed control : 1997 report

Western Oregon vine crops : cucumbers, melons, squash, pumpkins [1990]

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

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