Index Catalog // ScholarsArchive@OSU

Crop response to sulfur and the sulfur supplying power of several southern Oregon soils

Creator:: Yungen, John A. (John Alfred)
Resource Type:: Masters Thesis
Full Text:: SOUTHERN OREGON SOILS by oirr ALFRED YUNCEN A THESIS submitted to OREGON STATE COLLEGE in

Phosphorus and copper fertilization effects on chiefton and danver onions

Creator:: Jackson, T. L. (Thomas Lloyd), 1922- and Yungen, John A. (John Alfred)
Abstract:: Proceedings of the Annual Fertilizer Conference of Pacific Northwest - 31st
Resource Type:: Technical Report
Full Text:: AND DANVER ONION&= 2/ T. L. Jackson and J. A. Yunger- Phosphorus (P) is a critical factor

Performance of wheat, oat, and barley varieties tested at the Southern Oregon Experiment Station

Creator:: Oregon State University. Agricultural Experiment Station and Yungen, John A. (John Alfred)
Abstract:: Published September 1963. 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:: Oregon Experiment Station JOHN A. YUNGEN* Results of cereal variety trials conducted at the Southern

Flower seed production trials in southern Oregon

Creator:: Oregon State University. Agricultural Experiment Station and Yungen, John A. (John Alfred)
Abstract:: Published September 1975. 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:: species. Author: John A. Yungen is Associate Professor of Agronomy at the Oregon State Uni- versity

Field corn (Josephine and Jackson counties) [1965]

Creator:: Yungen, John A. (John Alfred), Alban, L. A. (Lawrence Arthur), 1922-1965, and King, Arthur Solomon, 1906-1972
Abstract:: An adequate soil fertility program will pay big dividends in the production of field corn, providing the recommended variety is seeded, weeds and other pests are controlled, and an adequate moisture level is maintained. Corn effectively uses the nitrogen built up by alfalfa or clover and the nutrients supplied by...
Resource Type:: Technical Report
Full Text:: magnesium deficiencies in southern Oregon. Prepared by John Yungen, Southern Oregon Experiment Station, L

Alfalfa production practices and variety performance in southern Oregon

Creator:: Yungen, John A. (John Alfred), Oregon State University. Agricultural Experiment Station, and Oregon State University. Southern Oregon Research and Extension Center
Abstract:: Alfalfa is an important hay crop which is grown on more than 10,000 acres in Jackson, Josephine, and Douglas counties of southern Oregon. Its estimated crop value is more than four million dollars per year. Many varieties of alfalfa are available for planting in the area. Sixty-eight varieties and experimental...
Resource Type:: Technical Report
Full Text:: observations from the trials. KEYWORDS: alfalfa varieties, management practices AUTHOR: John A. Yungen

Alfalfa trials in southern Oregon : production practices and varieties

Creator:: Yungen, John A. (John Alfred), Oregon State University. Agricultural Experiment Station, and Oregon State University. Southern Oregon Research and Extension Center
Abstract:: Alfalfa is an important crop in Jackson, Josephine and Douglas counties of southern Oregon. Its farm value is about $2½ million per year. Many varieties are available for planting in the area. More than 80 alfalfa varieties and experimental selections have been evaluated for hay production since 1959 at the...
Resource Type:: Technical Report
Full Text:: alfalfas. KEYWORDS: alfalfa varieties, alfalfa management AUTHOR: John A. Yungen, associate professor

Seasonal responses of perennial forage grasses to nitrogen applications

Creator:: Oregon State University. Agricultural Experiment Station, Yungen, John A. (John Alfred), Jackson, T. L. (Thomas Lloyd), 1922-, and McGuire, William S.
Abstract:: Published August 1977. 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:: production. AUTHORS: J. A. Yungen, associate professor of agronomy, Southern Oregon Experi- ment Station

Alfalfa for hay and seed (Josephine and Jackson counties)

Creator:: Oregon State University. Cooperative Extension Service, Yungen, John A. (John Alfred), King, Arthur Solomon, 1906-1972, and Alban, L. A. (Lawrence Arthur), 1922-1965
Abstract:: Alfalfa will out-yield other hay crops on deep, well-drained sot*in southern Oregon. Irrigation is necessary for top yields, though good yietdcilpf either hay or seed can be expected without irrigation on deep soils with good moistureholding capacity. In addition to an adequate fertilizer program, these points are important for successful...
Resource Type:: Technical Report
Full Text:: by John Yungen, Southern Oregon Experiment Station, L. A. Alban, former soil scientist, and A. S

Oregon Vegetable Digest; Vol. 27 No. 1

Creator:: Oregon State University. Agricultural Experiment Station, Jackson, T. L. (Thomas Lloyd), 1922-, Yungen, John A. (John Alfred), Hemphill, Delbert D., and Stanger, Charles Earl, 1929-
Abstract:: Information contained within documents may be obsolete. Please check for recent information at the OSU Extension Service website: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: Science Dept. J. A. Yungen Southern Oregon Exp. Station - 2 - ' I ' ' • Table 1. The

ScholarsArchive@OSU

Crop response to sulfur and the sulfur supplying power of several southern Oregon soils

Phosphorus and copper fertilization effects on chiefton and danver onions

Performance of wheat, oat, and barley varieties tested at the Southern Oregon Experiment Station

Flower seed production trials in southern Oregon

Field corn (Josephine and Jackson counties) [1965]

Alfalfa production practices and variety performance in southern Oregon

Alfalfa trials in southern Oregon : production practices and varieties

Seasonal responses of perennial forage grasses to nitrogen applications

Alfalfa for hay and seed (Josephine and Jackson counties)

Oregon Vegetable Digest; Vol. 27 No. 1

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