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Administrative principles and procedures of the agricultural experiment stations

Creator:: Zapata, Fabio Augusto
Abstract:: The successful agriculture of the United States is in part the result of the productive effort of the agricultural experiment stations. Students from different countries, throughout the world, have visited the United States to learn and observe the programs of the various experiment stations with the hope of being able...
Resource Type:: Masters Thesis
Full Text:: ) Wilson H. Foote The successful agriculture of the United States is in part the result of the productive

The physiology of seasonal growth in tall fescue varieties (Festuca arundinacea Schreb.)

Creator:: Blacklow, Warren Marcus
Abstract:: The winter and summer growth of varieties of tall fescue (Festuca arundinacea Schreb.) that had originated from the Mediterranean region (Oregon 1000 and Tunisia) and northern Europe (Alta) were studied outdoors in the Mediterranean climate of western Oregon, and in greenhouses and controlled environment chambers. Treatments of temperature, photoperiod and...
Resource Type:: Dissertation
Full Text:: that winter growth was limited more by the internal growth regulator balance than the external weather

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

Creator:: Lee, William O., 1911-
Abstract:: A study was conducted on German velvetgrass (Holcus mollis L.), a weedy, rhizomateous perennial grass introduced in the United States in relatively recent years, The purpose of this study was to learn more about its distribution, growth habits, and control under conditions found in Western Oregon. German velvetgrass infestations of...
Resource Type:: Dissertation
Full Text:: weedy, rhizornateous perennial grass introduced in the United States in relatively recent years, The

The effect of soil mixture and soil cover on residual activity of herbicides measured by seedling emergence of Poa annua, L

Creator:: Schwabauer, Richard Allen
Resource Type:: Masters Thesis
Full Text:: ; introduced from Europe. In warmer parts of the United States the species thrives in the winter, in

Some components of test weight of soft white wheat

Creator:: Shenk, Myron Daniel
Abstract:: Studies of some components of test weight in Soft White wheat revealed distinct subclass differences. Wheat kernels of Soft White more completely occupied a given volume than did kernels of White Club. The Soft White kernels were larger and had a higher density than the White Club kernels. Because of...
Resource Type:: Masters Thesis
Full Text:: United States Department of Agriculture gave official recognization to this failure of test weight as a

The influence on winter wheat yields of competitive weedy species

Creator:: Albeke, William Edgar
Abstract:: A study was conducted to compare the competitive ability with weeds of the short-strawed Gaines variety wheat and taller growing varieties under different fertility levels at three experimental locations. The experiments were designed so that the effects of variety, nitrogen fertilization, and weed competition could be evaluated. The interactions between...
Resource Type:: Masters Thesis
Full Text:: chess, and reports it occurs in every state except the four most southern states (12, p. 55

Influence of the removal of weed competition by herbicides in establishing subterranean clover, Trifolium subterraneum L.

Creator:: López, Hernán
Resource Type:: Masters Thesis
Full Text:: provided by the Division of Forage Crop and Diseases, Bureau of Plant Industry, United States

The influence of cutting treatments on yield and quality of two alfalfa (Medicago sativa L.) varieties

Creator:: Contreras, David
Abstract:: A field experiment was conducted to study the influence of cutting treatments on the yield and quality of non-irrigated alfalfa in western Oregon. Spring clipping treatments included (1) not clipped, (2) clipped when 6 inches high and (3) clipped when 12 inches high. The hay harvest criteria were (1) near...
Resource Type:: Masters Thesis
Full Text:: . In the United States, alfalfa is the most important forage spe- cies, with a total acreage of over

Establishment of subterranean clover (Trifolium subterraneum L.) on medusahead, (Taeniatherum asperum (sim.) Nevski) infested ranges in western Oregon

Creator:: Vigil, Frederick Rudolph
Abstract:: An experiment was conducted to determine the best method to establish subterranean clover on medusahead infested ranges in Western Oregon. Secondary objectives of this study were to determind the effects of management treatments on (a) subterranean clover density, (b) density of medusahead and other vegetation, and (c) yield of subterranean...
Resource Type:: Masters Thesis
Full Text:: Division of Forage Crops and Diseases, Bureau of Plant In- dustry, United States Department of Agriculture

The effect of seeding time on the heading and yield of wheat in the Willamette Valley

Creator:: al-Falahi, Tariq Salih
Abstract:: Wheat is an important cereal crop in the Willamette Valley of Oregon and the stiff-strawed, high yielding winter varieties are the predominate types grown although spring varieties are not uncommon. Because of the mild, often open winters; present in the Willamette, it is not unusual to be able to seed...
Resource Type:: Masters Thesis
Full Text:: regions in the United States varies for the different areas, but it appears that the mean daily

ScholarsArchive@OSU

Administrative principles and procedures of the agricultural experiment stations

The physiology of seasonal growth in tall fescue varieties (Festuca arundinacea Schreb.)

The distribution, growth habits, and control of German velvetgrass (Holcus mollis L.) in Western Oregon

The effect of soil mixture and soil cover on residual activity of herbicides measured by seedling emergence of Poa annua, L

Some components of test weight of soft white wheat

The influence on winter wheat yields of competitive weedy species

Influence of the removal of weed competition by herbicides in establishing subterranean clover, Trifolium subterraneum L.

The influence of cutting treatments on yield and quality of two alfalfa (Medicago sativa L.) varieties

Establishment of subterranean clover (Trifolium subterraneum L.) on medusahead, (Taeniatherum asperum (sim.) Nevski) infested ranges in western Oregon

The effect of seeding time on the heading and yield of wheat in the Willamette Valley

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