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Articles 20041 - 20070 of 20234
Full-Text Articles in Entire DC Network
Bulletin No. 322 - Irrigation Companies In Utah: Their Activities And Needs, Orson W. Israelsen, J. Howard Maughan, George P. South
Bulletin No. 322 - Irrigation Companies In Utah: Their Activities And Needs, Orson W. Israelsen, J. Howard Maughan, George P. South
UAES Bulletins
Utah has approximately 700 irrigation companies having more than 8,750 miles of unlined earth canals, 410 pumping plants, 1,973 diversion dams and nearly 400 storage dams which provide a storage capacity for more than 3,400,000 acre-feet of water. More than 42 million dollars is invested in irrigation works, with at least 1.5 million dollars spent annually for maintenance.
Irrigation companies have the major responsibility for safe maintenance and efficient operation of Utah's dams, canals, spillways, waste-ways, flumes, inverted siphons, head gates and lateral gates--the structures with which irrigation water is stored, diverted, and conveyed to 1.3 million acres of productive …
Bulletin No. 320 - Soil Erosion In Small Irrigation Furrows, Orson W. Israelsen, George D. Clyde, Cyril W. Laurit
Bulletin No. 320 - Soil Erosion In Small Irrigation Furrows, Orson W. Israelsen, George D. Clyde, Cyril W. Laurit
UAES Bulletins
This bulletin reports experimental procedure and data collected in a three-year study of the effect of irrigation furrow slopes and size of streams on the amounts of soil eroded from the furrows. Studies were made in 10 furrows on each of two farm experimental plots, the furrows being in different directions from a central water-stilling basin. The experimental plots were maintained fallow during the season--no crops were grown. Furrow slopes ranged from less than 1 percent to slightly more than 6 percent. Irrigation streams from 5 to 30 gallons per minute at the furrow inlet were measured first by means …
Bulletin No. 321 - Utah Housing In Its Group And Community Aspects, Joseph A. Geddes, Carmen D. Fredrickson
Bulletin No. 321 - Utah Housing In Its Group And Community Aspects, Joseph A. Geddes, Carmen D. Fredrickson
UAES Bulletins
The method employed in this study is to select a comparatively important segment of living--housing--for careful appraisement with the purpose of comparing different groups and localities with respect to it. Comparisons are made (1) between Utah and other states, (2) between counties of Utah, and (3) between four Utah communities. The data include the house, home conveniences, the automobile, the streets ad joining the house, newspapers, magazines, books, and connection with water, sewer, power and telephone lines. The segment is thus not small. The groups are segregated by the vocation, farm and nonfarm, from which the living is made. The …
Tertiary Coniferous Woods Of Western North America, George F. Beck
Tertiary Coniferous Woods Of Western North America, George F. Beck
All Faculty Scholarship for the College of the Sciences
Almost four decades have elapsed since Platen (1908), the German paleobotanist, published his report upon the fossil woods of the western United States. Since then no over-all treatment of these materials has been attempted. although Platen overlooked the Pacific Northwest with its abundance of Tertiary petrified woods. The purpose of this paper is to bring knowledge of the western coniferous woods of the Tertiary up to date. In this effort the writer recognizes that much of this information has been accumulated incidentally in the study of the Russell Petrified Forest series of central Washington, and that it is not as …
A Seven-Year Quantitative Study Of Succession In Grassland, J. E. Weaver, W. E. Bruner
A Seven-Year Quantitative Study Of Succession In Grassland, J. E. Weaver, W. E. Bruner
Department of Agronomy and Horticulture: Faculty Publications
The study of plant succession has contributed more than any other single line of investigation to a deeper insight into the nature of vegetation. Earlier studies of succession, especially in grassland, were largely those of the primary sere. But with the utilization of the prairies for grazing, and the abandonment of submarginal land after a short period of cropping, numerous investigations of secondary successions were made. The earlier studies have been discussed by Clements (1916) in "Plant Succession." Sampson's plant succession in relation to range management appeared in 1919. Many of the more recent investigations of subseres in grassland and …
Bulletin No. 318 - An Economic Analysis Of Turkey Production In Utah, Dee A. Broadbent, W. Preston Thomas, George T. Blanch
Bulletin No. 318 - An Economic Analysis Of Turkey Production In Utah, Dee A. Broadbent, W. Preston Thomas, George T. Blanch
UAES Bulletins
The production of turkeys for market by farmers in Utah has increased rapidly since 1935, and in 1944 was the highest in the history of the state. Although turkeys are produced on a relatively few farms , the enterprise is an important source of the state's agricultural income. In 1942 and 1943, the cash income from sales of turkeys was almost six million dollars or equivalent to 5 percent of the total cash income of the state.
In addition to the sale of turkeys, this new enterprise supports, fully or in part, other industries of the state. The processing plants, …
Bulletin No. 316 - Marketing Fruits And Vegetables In Utah, W. Preston Thomas, George T. Blanch
Bulletin No. 316 - Marketing Fruits And Vegetables In Utah, W. Preston Thomas, George T. Blanch
UAES Bulletins
During the period from 1920 to 1941 the fruit industry in Utah and other areas or the west went through a period of adjustment. Previous to and during World War I, growers received high prices for fruit which resulted in increased production. However, following the sudden drop in prices of 1920, fruit growers had a hard time to market the large tonnage produced. Returns were low. During this period keen competition for the sale of fruits developed between individual growers and various producing areas. Although the problems of adjustment were severe in most fruit areas of the west, the marketing …
Nyssa Woods Of The Pacific-Northwest Tertiary, George F. Beck
Nyssa Woods Of The Pacific-Northwest Tertiary, George F. Beck
All Faculty Scholarship for the College of the Sciences
The nyssa gums are one of the modern genera of trees most certainly present among the petrified woods and forests of the Pacific Northwest. Almost every collection from the mid-Tertiary of this region contains a few specimens of typical tupelo or sour gum. These are fine-grained woods which to the unaided eye may be mistaken for conifers.
Bulletin No. 315 - Biennial Report, 1942-1944
Bulletin No. 315 - Biennial Report, 1942-1944
UAES Bulletins
The war years have made new demands on Station personnel and facilities. With fewer staff members and less adequate equipment the Station has not only carried on the regular project work, but the research program has been expanded, and numerous activities resulting from the emergency have been assumed.
The Station has taken a leading place in the victory food production program. Each year it has assumed the lead in a study of the wartime agricultural production capacity of the state and desirable crop and livestock adjustments studying all the agricultural assets and the ability to produce various crops.
As a …
Ancient Maples Of The Central Washington Region, George F. Beck
Ancient Maples Of The Central Washington Region, George F. Beck
All Faculty Scholarship for the College of the Sciences
When I began work on the petrified logs of the general Vantage area some 13 years ago, it became apparent at once that maple-like woods are commonplace in the main (Vantage) raft forest and slightly less abundant in two rooted units of the Yakima Canyon. So widely do these woods range throughout the structural variations found in modern maples that little success has attended the efforts to assign them to nominal species. The extremes can readily be established but few hints exist as to the boundaries between them.
Two Newly Discovered Conifers, George F. Beck
Two Newly Discovered Conifers, George F. Beck
All Faculty Scholarship for the College of the Sciences
Two genera of coniferous wood, apparently not listed among the Tertiary woods of the western states, have been recognized in the Percy Train collections from Rainbow Ridge, northwestern Nevada. These two, Tsuga (hemlock) and Chamaecyparis (cedar) bring up to 14 the genera of coniferous wood more or less certainly identified from the period and area in question.
Status Of Tertiary Woods Of The Western States Representing The Juglandaceae, George F. Beck
Status Of Tertiary Woods Of The Western States Representing The Juglandaceae, George F. Beck
All Faculty Scholarship for the College of the Sciences
For many years there has been uncertainty concerning the generic status of some fossil leaves belonging without question to the walnut family as a whole. A review of the woods of Juglandaceae as they have appeared in Tertiary horizons of the western states has suggested which genera are present, and in what proportions their leaves (or other remains) might be expected to appear.
Replacement Of True Prairie By Mixed Prairie In Eastern Nebraska And Kansas, J. E. Weaver
Replacement Of True Prairie By Mixed Prairie In Eastern Nebraska And Kansas, J. E. Weaver
Department of Agronomy and Horticulture: Faculty Publications
Destruction of a portion of one plant association and its replacement by another has just been completed. This has occurred not as the result of man's interference with the vegetation nor the effect of his grazing animals. It has been due to a dry climatic cycle and has been accomplished within a period of seven years. The scene of action was the broad area on the western edge of true prairie in central Kansas, eastern Nebraska, and eastern South Dakota. It is distinctly east of the mixed prairie in the central portion of these states. Although the phenomenon was general …
Bulletin No. 310 - The Influence Of Cropping On The Nitrogen, Phosphorus And Organic Matter Of The Soil Under Irrigation Farming, J. E. Greaves, C. T. Hirst
Bulletin No. 310 - The Influence Of Cropping On The Nitrogen, Phosphorus And Organic Matter Of The Soil Under Irrigation Farming, J. E. Greaves, C. T. Hirst
UAES Bulletins
Most soils contain sufficient nutrients for normal plant growth, with the exception of nitrogen, phosphorus and potassium. These elements are used by plants in the largest quantities and the amounts of these in the soil govern its productivity. Soil organic matter is of prime importance for it is the matrix which holds the nitrogen and modifies the structure, temperature, and water-holding capacity of the soil. The organic matter is the very life of the soil, for it is in and on it that bacteria work and by so doing determine the kind and speed of reactions which occur. It is …
Nitrate Production As Affected By Grain-Crop Residues On The Surface Of The Soil, T. M. Mccalla, J. C. Russel
Nitrate Production As Affected By Grain-Crop Residues On The Surface Of The Soil, T. M. Mccalla, J. C. Russel
Nebraska Agricultural Experiment Station: Historical Research Bulletins
The purpose of this bulletin is to present the data on nitrate contents and nitrate production in tests where straw or stalk residues were left on the surface through subsurface tillage, as compared with check treatments where these residues were plowed under or were absent. Nine of these tests were at Lincoln, Nebraska, and one was at the Hastings, Nebraska, Hydrological Project. Two tests were conducted in 1939, four in 1941, and four in 1942.
Bulletin No. 309 - An Economic Analysis Of The Milking Enterprise On Farms In The Ogden Area, Utah, 1937-39, George T. Blanch, Dee A. Broadbent
Bulletin No. 309 - An Economic Analysis Of The Milking Enterprise On Farms In The Ogden Area, Utah, 1937-39, George T. Blanch, Dee A. Broadbent
UAES Bulletins
The area included in this study is part of the better irrigated section of Utah. Although the soils are variable, that part used for arable agriculture is generally fair to good. The poorer soils are used largely for pastures which makes necessary a forage-consuming livestock enterprise in the farm organization. Dairy cattle is the type of livestock most common. Topography, climate, irrigation water supply, transportation, and markets all permit or favor a relatively intensive and successful cash-crop and dairy type of farming. The average farm is relatively small in area of cultivated land which also makes necessary intensive usage, high …
Bulletin No. 308 - A Farm Management Study Of Farms With Dairy Enterprises In The Ogden Area, Utah, 1937-39, George T. Blanch, Dee A. Broadbent
Bulletin No. 308 - A Farm Management Study Of Farms With Dairy Enterprises In The Ogden Area, Utah, 1937-39, George T. Blanch, Dee A. Broadbent
UAES Bulletins
Farmers in the irrigated sections of Utah are confronted by several difficult problems in the management of their farms. The farms are far distant from the consumption centers of the country which results in high freight rates and a need to produce concentrated products for market, and also in violent fluctuations in farm prices. The farms usually consist of relatively few crop acres which makes intensive usage necessary for an adequate sized business. Most farms also include a considerable acreage of land unsuited to tillage. The utilization of this land makes necessary the inclusion in the farm business of a …
How To Reseed Utah Range Lands, A. Perry Plummer, Richard M. Hurd, C. Kenneth Pearse
How To Reseed Utah Range Lands, A. Perry Plummer, Richard M. Hurd, C. Kenneth Pearse
Aspen Bibliography
Additional low cost forage is urgently needed by Utah's range livestock industry. Seeding of depleted tracts in accordance with recently developed methods and principles will help supply this forage and is entirely feasible. Where the value of the increased forage will repay the cost of planting, careful reseeding of selected sites is fully justified.
The important part that reseeding can play in restoring ranges to their former capacity has been demonstrated. Although satisfactory results can be obtained on many sites during average or better years, much more study is needed to insure consistent success in abnormal years and to extend …
Preliminary Report On Subtratum Temperature Studies On Root Growth, Stanley W. Oexemann
Preliminary Report On Subtratum Temperature Studies On Root Growth, Stanley W. Oexemann
Journal of the Minnesota Academy of Science
No abstract provided.
Bulletin No. 303 - Utilization Of Irrigable Land In The Reservation Area Of Uinta Basin, Utah, George T. Blanch, Clyde E. Stewart
Bulletin No. 303 - Utilization Of Irrigable Land In The Reservation Area Of Uinta Basin, Utah, George T. Blanch, Clyde E. Stewart
UAES Bulletins
Several years ago the Utah Agricultural Experiment Station began a project entitled "Study of agricultural resources in Utah and their utilization." This project contemplates conducting detailed soils, irrigation water, range and economic studies in all areas of Utah. To date these studies have been made for a portion of the state including the Uinta Basin. However, in order that the information so obtained can be more effectively used for public and private programs of operation, there is a need to combine and correlate the basic data.
The primary objective of the study reported herewith is to bring together and analyze …
Vegetation Of The Northern Part Of Cherry County, Nebraska, William L. Tolstead
Vegetation Of The Northern Part Of Cherry County, Nebraska, William L. Tolstead
Conservation and Survey Division: Faculty and Staff Publications
Agricultural practices in the Great Plains of North America are now in a period of adjustment from a traditional agriculture initiated by pioneer farmers to a grazing economy based upon potentialities of climate and soil. The attainment of a proper system of land use has been retarded in many localities by the lack of definite information concerning the vegetation and its indicator significance. In this study of the vegetation of Cherry County, Nebraska, the interrelations between the plants and their environments are discussed, the dominant species are described, and changes in grasslands caused by seasons, grazing, and climatic cycles are …
A Study Of Origins And Ecological Features Of Hardy, Cultivated, Herbaceous Plants Of Milwaukee, Wisconsin, Dorothy Elaine Witheck
A Study Of Origins And Ecological Features Of Hardy, Cultivated, Herbaceous Plants Of Milwaukee, Wisconsin, Dorothy Elaine Witheck
Bachelors’ Theses
Gardeners have always been interested in herbaceous plants, chiefly because of their beauty and usefulness. As a result of the great popularity, a large number of attractive varieties have been produced through centuries of' cultivation, selection and breeding. Very early agricultural and medical demands stimulated an interest in the plants, and as early as 372-287 B.C. Theophrastus, a pupil of Aristotle, described about 460 cultivated plants and classified them as herbs, undershrubs, shrubs and trees. Much of the work accomplished by the ancient Greeks was lost and it was not until the sixteenth century that renewed enthusiasm for the study …
Bulletin No. 306 - Report Of The Agricultural Experiment Station Utah State Agricultural College, Logan, R. H. Walker
Bulletin No. 306 - Report Of The Agricultural Experiment Station Utah State Agricultural College, Logan, R. H. Walker
UAES Bulletins
The agricultural experiment stations have contributed in a very material way to the progress of agriculture in the United States not only by the development of better crops and livestock and production practices, but, through basic research on the many and varied problems of agriculture, they have furnished an understanding of those principles upon which progress must depend.
The permanent value of these research centers to the progress of agriculture is no better illustrated than in the present emergency. The ability of farmers to meet the tremendous additional contributions to defense in the way of increased food supplies is dependent …
Bulletin No. 298 - Wool Scouring Tests In Utah, Alma C. Esplin, Ralph W. Phillips, Milton A. Madsen
Bulletin No. 298 - Wool Scouring Tests In Utah, Alma C. Esplin, Ralph W. Phillips, Milton A. Madsen
UAES Bulletins
Wool, as it is shorn from the sheep, is known as grease wool. The first step in the manufacturing of wool is scouring, or removal of all grease and foreign matter. Within any given grade, as determined by length of staple and fineness of fiber, the yield of clean wool is the primary factor in determining the value of the original grease wool. The price of scoured or clean wool is multiplied by the percentage yield of clean wool to determine the value of the grease wool.
Bulletin No. 299 - Control Of Chlorisis In American Grapes, F. B. Wann
Bulletin No. 299 - Control Of Chlorisis In American Grapes, F. B. Wann
UAES Bulletins
The production of grapes is not a major agricultural industry in Utah, but in some areas of the state the crop is an important adjunct to the general fruit farm. This is particularly true in Washington County where European (vinifera) varieties are grown with considerable success, and in the north central counties where American (labrusca) varieties, especially Concord, are grown for the local markets. In this latter area the nutritional disease, chlorosis, is probably the most serious difficulty encountered in the development of a successful vineyard.
Bulletin No. 294 - Research Aids Utah Agriculture: Biennial Report Utah Agriculture Experiment Station 1938 - 1940, R. H. Walker
Bulletin No. 294 - Research Aids Utah Agriculture: Biennial Report Utah Agriculture Experiment Station 1938 - 1940, R. H. Walker
UAES Bulletins
The foundation of progress in agriculture as in any other industry is research. Research has resulted in knowledge now daily applied in soil treatment, in irrigation practices, in dealing with insect pests, in breeding new varieties of plants, in animal improvement, in better farm practices, and in better land-use planning. Research undertaken by the Utah Agricultural Experiment Station has been outlined to solve specific problems facing Utah agriculture, among them the problems of irrigation, dry farming, range management and animal production. The prosperity of the state is dependent upon the success of these agricultural enterprises. Agricultural research should not, therefore, …
The Distribution Of Plant Types In The Escalante Desert Of Utah With Relation To Soil Conditions, Carlyle B. Lambert
The Distribution Of Plant Types In The Escalante Desert Of Utah With Relation To Soil Conditions, Carlyle B. Lambert
Theses and Dissertations
This problem was a study of plant species in the Escalante Desert, Utah, in relation to soil conditions. The plants were surveyed by the transect-plot method. The plants and soils were analyzed by percentage-frequency techniques. There is no measurable correlation between soil series and the dominant plants which occur on the soils. There is no correlation between soil types and the plants that are dominant on the soil types. There is a definite correlation between textural classes of the soil and the plants that are dominant on these classes.
Bulletin No. 289 - Business Analysis Of Farms In Utah County, Utah, Walter U. Fuhriman, W. Preston Thomas
Bulletin No. 289 - Business Analysis Of Farms In Utah County, Utah, Walter U. Fuhriman, W. Preston Thomas
UAES Bulletins
Project 179 of the Utah Agricultural Experiment Station - "A Study of the Agricultural Resources of Utah and their Utilization" - was set up in April 1936 as a state-wide project. The object of this project was to measure by areas the basic agricultural resources of the state and to translate the information collected into a program of more efficient use. The more specific objectives were: (1) classification of agricultural lands of Utah according to present and potential productivity and use; (2) determination of the net productive area of agricultural lands and water supply now available, or which may be …
Amount Of Underground Plant Materials In Different Grassland Climates, S. B. Shively, J. E. Weaver
Amount Of Underground Plant Materials In Different Grassland Climates, S. B. Shively, J. E. Weaver
Department of Agronomy and Horticulture: Faculty Publications
From the highlands of central Mexico entirely across the United States and northward into Canada extends the great midcontinental area of grassland. From this central mass, prairie extends westward across Wyoming into eastern Utah, and southwestward through northern New Mexico into northern Arizona. Other grasslands in the northwest cover most of southern Idaho, a part of northern Utah, large areas in eastern Oregon and Washington, and recur in British Columbia. The Pacific prairie occupies the Great Valley of California, and the Desert Plains grassland much of southern Arizona and New Mexico and southwestern Texas. Together they constitute the Grassland or …
Fifty Years Of Achievement In Agricultural Investigation, R. T. Prescott
Fifty Years Of Achievement In Agricultural Investigation, R. T. Prescott
Nebraska Agricultural Experiment Station: Historical Circulars
In Nebraska, a hustling frontier state in 1887, the legislature hesitated not at all in taking advantage of the provisions of the Hatch Act, and now that fifty years have elapsed since the Station was founded, seventy-five years since the Land Grant College Act was passed and the U. S. Department of Agriculture established, and almost twenty-five years since the Agricultural Extension Service was added, it seems worth while to present a general summary of achievement within the state. The main object will be to show some of the important things that have been learned through the investigations of the …