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The Relation Of Some Physical And Chemical Factors Of The Soil To The Productivity And Distribution Of Certain Waterfowl Food Plants At The Bear River Migratory Waterfowl Refuge, Grant Hortin Jensen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Within the last few years several areas within the state of Utah have been and are being developed for the conservation of migratory birds. Of utmost importance in this respect is the management of these areas so as to obtain a sufficient supply of rood plants for use by water fowl. Previous work done at the Bear River Migratory Waterfowl Refuge shows that the productivity of aquatic rood plants, chiefly Potamogeton pectinatus L. and Ruppia maritima L. varies with different localities and that these differences could not be attributed to chemical conditions of the water, i.e., dissolved oxygen, alkalinity, and …

A Survey Of Human Intestinal Protozoa Of Logan City And Vicinity, Robert B. Harrison

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Parasitic protozoa of the intestinal tract of man were first observed by Anthony van Leeuwenhoek (1632-1723), a Dutch microscopist. In the year 1681, while observing his own excrement, Leeuwenhoek discovered and described certain forms of life which he called "animalcules" and which were verified later by workers in protozoology as Giardia lamblia, a protozoan parasite of the intestinal tract. During the period preceding the later part of the 19th century many observations of the parasitic intestinal protozoa of men and lower animals were made and many species were classified. It wasn't, however, until the year 1875 that a protozoan …

The Utah State Alumni Quarterly, Vol. 17 No. 3, March 1940, Utah State University

Utah State Magazine

The quarterly magazine for friends and alumni of Utah State University.

The Utah Juniper, Volume 11, Utah State University

The Utah Juniper

Annual publication of The Utah Foresters, Utah State Agricultural College.

General Catalogue 1940, Utah State University

University Catalogs

General Catalogue of 1940

Contains course descriptions, University college calendar, and college administration.

Utah State Alumni Quarterly, Vol. 17 No. 2, December 1939, Utah State University

Utah State Magazine

The quarterly magazine for friends and alumni of Utah State University.

Utah State Alumni Quarterly, Vol. 17 No. 1, October 1939, Utah State University

Utah State Magazine

The quarterly magazine for friends and alumni of Utah State University.

General Catalogue 1939, Summer, Utah State University

University Catalogs

General Catalogue of 1939 Summer

Contains course descriptions, University college calendar, and college administration.

Life History Of The Pale Western Cutworm Agrotis Orthogonia Morrison, Heber F. Thornley

Biology

The pale western cutworm Agrotis orthogonia Morr. Is a native insect of the arid-lands of western United States and Canada. Devastation of dry-land grains has marked the insect as the most destructive cutworm in the west. Because of the underground feeding habits of this insect the usual methods of control, so effective with the army cutworm and other cutworm species, have all failed.

Date Of Planting, Sugar Beet Varieties, And Insecticides As They Affect Beet Leafhopper Populations, Curly Top Disease, And Yields, Walter Edwin Peay

Biology

In the western United States for many years, curly top, a virus disease transmitted by the beet leafhopper, Eutettix tenellus (Baker), has caused serious economic damage to sugar beets, beans, tomatoes, and cucurbits, and in some years is a limiting factor in the production of these crops.

Date Of Planting, Sugar Beet Varieties, And Insecticides As They Affect Beet Leafhopper Populations, Curly Top Disease, And Yields, Walter Edwin Peay

Biology

In the western United States for many years, curly top, a virus disease transmitted by the beet leafhopper, Eutettix tenellus (Baker), has caused serious economic damage to sugar beets, beans, tomatoes, and cucurbits, and in some years is a limiting factor in the production of these crops.

Life History Of The Pale Western Cutworm Agrotis Orthogonia Morrison, Heber F. Thornley

Biology

The pale western cutworm Agrotis orthogonia Morr. Is a native insect of the arid-lands of western United States and Canada. Devastation of dry-land grains has marked the insect as the most destructive cutworm in the west. Because of the underground feeding habits of this insect the usual methods of control, so effective with the army cutworm and other cutworm species, have all failed.

Weather And Plant-Development Data As Determinants Of Grazing Periods On Mountain Range, David F. Costello, Raymond Price

Aspen Bibliography

Fundamental in economical range-resource management is the determination of proper grazing periods. It is of prime importance to be able to establish a date in the spring when the range has produced sufficient feed to keep livestock in thrifty condition, when it is reasonably safe from excessive trampling and packing of the soil, and when the more important key forage plants have attained sufficient development to withstand grazing use. Such opening dates, as well as the time to defer and rotate grazing and to remove livestock from the range, are dependent in part on the prevailing weather conditions and on …

The Ecology Of Agropyron Inerme On Protected And Heavily Grazed Range Land In Cache Valley, Utah, Wallace R. Hanson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

During the past decade much attention has been attracted to the great range lands of the West. The inherently low productivity of these arid lands coupled with abnormal drought and constantly heavy use by livestock because of lack of grazing control, have caused these lands to become greatly depleted over most of the West. That the vegetation on most range land in the intermountain states is depleted appreciably is evident to the careful observer. Undoubtedly the vegetation of much of the range has decreased in quantity, but more serious in many cases is the decrease in quality. Valuable forage species …

A Study Of The Sage Grouse (Centrocercus Urophasianus), With Special Reference To Life History, Habitat Requirements, And Numbers And Distribution, Lynn A. Griner

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The sage grouse or sage hen Centrocercus urophasianus (Bonaparte) was formerly the most important upland native game bird of the Western States, but has steadily been declining in numbers over most of its range in recent years. This reduction in numbers has aroused the interest of the conservationists of the nation, who, for the past decade or more, have been proposing that something be done for this game species. In recent years along with this interest of the conservationists, there has been an increasing local interest among the sportsmen of the West, with the result that several groups have become …

The Carbon 1939, Carbon College

College of Eastern Utah Yearbooks

Yearbook for Carbon College 1939.

The Life History Of The Sand Wasp, Bembix Occidentalis Beutenmuelleri Fox, And Its Parasites, George E. Bohart, John W. Macswain

All PIRU Publications

No abstract provided.

General Catalogue 1939, Utah State University

University Catalogs

General Catalogue of 1939

Contains course descriptions, University college calendar, and college administration.

Bulletin No. 284 - Lygus Bugs In Relation To Alfalfa Seed Production, C. J. Sorenson

UAES Bulletins

This investigation, which continued during the two succeeding years, had four primary purposes: (1) to determine the distribution of these plant bugs and the intensity of their infestation in the alfalfa-seed districts of the state; (2) to ascertain whether these bugs constitute an important factor, either causing or contributing to, the excessive flower-drop annually occurring in alfalfa-seed fields, or if they are otherwise responsible for decreased yields of alfalfa seed; (3) to study the general biology of these insects with particular reference to their life histories in alfalfa as the host plant; and (4) to investigate possible practical methods for …

Bulletin No. 286 - Some Trends In Utah's Agriculture, Walter U. Fuhriman

UAES Bulletins

During the last two decades agriculture has been subjected to many strains and stresses- social, economic, physical, and biological. Infestations of noxious weeds and insect pests have in some instances necessitated changes in crops grown and in farming practices. Changes in precipitation have induced alternate expansion and contraction of cultivated acreage in certain areas. Improved machinery has reduced the demand for farm labor, caused shifts in crops grown and in farm population. Changes in dietary habits have increased the demand for some farm commodities and decreased the demand for others, while wide fluctuations in farm prices have wrought rapid changes …

The Utah State Quarterly, Vol. 16 No. 1, October 1938, Utah State University

Utah State Magazine

The quarterly magazine for friends and alumni of Utah State University.

Bulletin No. 282 - Pioneering In Western Agriculture

UAES Bulletins

A resume of the First Half-Century of Research 1888 - 1938 at the Utah Agricultural Experiment Station including the Biennial Report 1936 - 1938.

The Utah Agricultural Experiment Station in reaching the fiftieth year of its history can look back upon a brilliant record of achievement covering the practical as well as the more fundamental problems of agriculture in this arid state. The difficulties encountered in conquering deserts down through human history have demonstrated the mastery of man's spirit over his physical environment. Man's destiny to multiply, subdue, and replenish the earth cannot be accomplished by enjoying the fruits of …

Bulletin No. 280 - Sinusitis Of Turkeys And Its Treatment, D. E. Madsen

UAES Bulletins

Sinusitis has long been recognized as one of the barriers to profitable production of chicken products; and with the growth of commercial turkey production in the west its existence in this bird has become increasingly significant. In Utah areas considerable loss is encountered yearly from this disease in turkeys. This loss has prompted some investigations as to what measures may be adopted for its control.

Life History And Habits Of The Mormon Cricket (Anabrus Simplex Hald.) In Utah, Lee R. Jeppson

Biology

Life history studies of the Mormon cricket were made in Millard County. During the summers of 1936 and 1937 the study was made at Oak City and vicinity, and during the spring of 1938 in the Scipio Valley.

Life History And Habits Of The Mormon Cricket (Anabrus Simplex Hald.) In Utah, Lee R. Jeppson

Biology

Life history studies of the Mormon cricket were made in Millard County. During the summers of 1936 and 1937 the study was made at Oak City and vicinity, and during the spring of 1938 in the Scipio Valley.

General Catalogue 1938, Summer, Utah State University

University Catalogs

General Catalogue of 1938 Summer

Contains course descriptions, University college calendar, and college administration.

Utah State University Commencement, 1938 – Main Campus, Utah State University

Commencement Programs

Forty-Fifth Annual Commencement of the Utah State Agricultural College

Physiological Investigations Of Two Strawberry Root Rot Fungi, Fusarium Orthoceras Ap. And Wr., And Cylindrocarpon Obtusisporum (Cke. And Hark.) Wr., Herbert B. Currier

Biology

During recent years strawberry growers in widespread areas have been concerned with losses attributed to a root disease commonly termed "Black Root Rot of Strawberries". This malady is especially severe in Utah. Richards and McKay (18)¹ report that losses are such as to render commercial strawberry growing unprofitable in certain areas. These investigators found, in isolation studies of diseased strawberry roots, that the disease is evidently not due to the attack of a single pathogene, but that several fungi, each apparently capable in itself of producing infection, may act collectively in producing a "disease complex".

Physiological Investigations Of Two Strawberry Root Rot Fungi, Fusarium Orthoceras Ap. And Wr., And Cylindrocarpon Obtusisporum (Cke. And Hark.) Wr., Herbert B. Currier

Biology

During recent years strawberry growers in widespread areas have been concerned with losses attributed to a root disease commonly termed "Black Root Rot of Strawberries". This malady is especially severe in Utah. Richards and McKay (18)¹ report that losses are such as to render commercial strawberry growing unprofitable in certain areas. These investigators found, in isolation studies of diseased strawberry roots, that the disease is evidently not due to the attack of a single pathogene, but that several fungi, each apparently capable in itself of producing infection, may act collectively in producing a "disease complex".

Biology Of The Green Soldier Bug, Acrosternum Hilaris (Say), At Farmington, Utah, Edward W. Anthon

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This study was begun in June 1935, and continued up to and including the fall of 1937. The work was carried out at the Davis county Experiment Farm at Farmington, Utah, with some survey work also having been done in the central and northern parts of the state. This work was made possible through the cooperation of the Entomological and Horticultural Departments of the Utah Agricultural Experiment Station.

The green soldier bug, Acrosternum hilaris (Say), is also called the green stinkbug. Thomas Say was the first to describe this insect as belonging to the genus Pentatoma, but in some publications …