Index Catalog // ScholarsArchive@OSU

Setting up contests in plant identification : tips for agents and leaders [1990]

Creator:: Youngberg, Harold W.
Abstract:: Reprinted July 1990. 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:: Learning Object
Full Text:: ' Prepared by Harold Youngberg, Extension specialist emeritus, Oregon State University. Reprinted July

Know your crops and weeds : activity guide for 4-H leaders [1997]

Creator:: Youngberg, Harold W.
Abstract:: Reprinted July 1997. 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:: Learning Object
Full Text:: Waterhemlock, western * Knotweed, prostrate * Yarrow * Suggested for junior contests Prepared by Harold

Recognizing plants in the field : leader guide [1990]

Creator:: Youngberg, Harold W.
Abstract:: Reprinted July 1990. 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:: Learning Object
Full Text:: Harold Youngberg, Extension specialist emeritus, Oregon State University. The Oregon State University

Introduction to grasses and legumes : leader guide [1990]

Creator:: Youngberg, Harold W.
Abstract:: This lesson plan is designed to provide leaders in livestock and horse clubs with sufficient resource material on plant identification and evaluation. Leaders may then introduce plant identificat·ion and evaluation to members. Through the activities suggested and innovative use of presentations by club members, this lesson plan can broaden activities...
Resource Type:: Learning Object

1998 Seed production research at Oregon State University, USDA-ARS cooperating

Creator:: United States. Agricultural Research Service, Oregon State University. Department of Crop Science, and Youngberg, Harold W.
Resource Type:: Other
Full Text:: FESCUE SEED PRODUCTION SYSTEMS IN THE WILLAMETTE VALLEY W. C. Young III, ME. Mellbye, G.A. Gingrich, TB

1997 Seed production research at Oregon State University, USDA-ARS cooperating

Creator:: United States. Agricultural Research Service, Oregon State University. Department of Crop Science, and Youngberg, Harold W.
Resource Type:: Other
Full Text:: ANNUAL RYEGRASS SEED FIELDS ME. Mellbye, W. C. Young III, T. G. Chastain, TB. Silberstein and C.i

How to use a plant identification key [1992]

Creator:: Johnston, La Rae Dennis, Lawson, Richard, Vough, Les, and Youngberg, Harold
Abstract:: Reprinted July 1992. 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:: Learning Object
Full Text:: assistant in crop science: Lester Vough. Extension-research agronomist: and Harold Youngberg, Extension

Oregon forage and turf grass variety seed yield trial, 1986-87

Creator:: Youngberg, Harold Wayne, 1929-, Young, William C. (William Clyde), and Oregon State University. Extension Service
Abstract:: Forty perennial and 12 annual grass varieties were evaluated for seed production potential at Corvallis, Oregon. Perennial ryegrass, orchardgrass, Kentucky bluegrass, red fescue, Chewings fescue, tall fescue, and annual ryegrass were included in the study. Results of 1986 and 1987 harvest years are reported.
Resource Type:: Technical Report
Full Text:: FORAGE AND TURF GRASS VARIETY SEED YIELD TRIAL, 1986-87 Harold W. Youngberg and William C. Young

Oregon 4-H forage teaching series

Creator:: Oregon State University. Extension Service, Youngberg, Harold, Vough, Les, Johnson, Duane, Johnston, La Rae Dennis, and Lawson, Richard
Abstract:: This series of leader guides is designed to help provide experiences related to forage quality for youth and their families. The individual sheets may be duplicated for distribution to members.
Resource Type:: Learning Object
Full Text:: livestock feeding. Prepared by Harold Youngberg, Extension specialist emeritus, Oregon State University

The effect of 3,4,5,3',4',5'- hexachlorobiphenyl on plasma corticosterone and prolactin concentration in the mouse

Creator:: Youngberg, Jill Annette Meyer
Abstract:: It was hypothesized that alterations in plasma concentrations of corticosterone (CS) and prolactin (PRL) may be at least partially responsible for polychlorinated biphenyl (PCB)-induced immunosuppression. A 2 by 2 factorial experiment examined the interactions of PCB and P815, an allogeneic tumor, on plasma concentrations of CS and PRL, and on...
Resource Type:: Masters Thesis
Full Text:: Annette Meyer Youngberg for the degree of Master of Science in Veterinary Science presented on August 20

ScholarsArchive@OSU

Setting up contests in plant identification : tips for agents and leaders [1990]

Know your crops and weeds : activity guide for 4-H leaders [1997]

Recognizing plants in the field : leader guide [1990]

Introduction to grasses and legumes : leader guide [1990]

1998 Seed production research at Oregon State University, USDA-ARS cooperating

1997 Seed production research at Oregon State University, USDA-ARS cooperating

How to use a plant identification key [1992]

Oregon forage and turf grass variety seed yield trial, 1986-87

Oregon 4-H forage teaching series

The effect of 3,4,5,3',4',5'- hexachlorobiphenyl on plasma corticosterone and prolactin concentration in the mouse

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