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Articles 44611 - 44640 of 44815
Full-Text Articles in Entire DC Network
Nutrient Requirements Of Growing Chicks, F. E. Mussehl
Nutrient Requirements Of Growing Chicks, F. E. Mussehl
Nebraska Agricultural Experiment Station: Historical Research Bulletins
The object of our experimental work was to establish if possible certain principles of poultry nutrition, permitting later a better combination of natural feedstuffs with the highest growth efficiency.
The Segregation Of Carbohydrates In Crosses Between Waxy And Starchy Types Of Maize, T. A. Kiesselbach, N. F. Petersen
The Segregation Of Carbohydrates In Crosses Between Waxy And Starchy Types Of Maize, T. A. Kiesselbach, N. F. Petersen
Department of Agronomy and Horticulture: Faculty Publications
The purpose of this paper is to report the Mendelian segregation of waxy and starchy carbohydrates in both the sporophytic and gametophytic generations of maize. This is of especial genetic interest because the counts of segregate waxy kernels have very commonly been short of the expected numbers, although this character appears to be a simple Mendelian recessive. Collins (1909) was the first to point out the physical difference in the endosperm of waxy and ordinary starchy varieties.
While the exact difference in their chemical nature has not been established, Weatherwax (1922) considered that the waxy carbohydrate was erythrodextrin because of …
Turkey Production, F. E. Mussehl
Turkey Production, F. E. Mussehl
Nebraska Agricultural Experiment Station: Historical Circulars
Whatever problems turkey production presents, lack of demand for roast turkey is not at this time one of them. Turkeys rate so high in popular esteem that very rarely indeed do prices fall below that of dressed chickens and usually the best grades are 12 to 15 cents per pound higher during the holiday season. The world of commerce has become quite complex but the consuming public still has one clear way of speaking to producers. In the language of the dollar we are apparently being asked to raise more turkeys.
The Natural Vegetation Of Ohio. Iii. Plant Succession, Paul B. Sears
The Natural Vegetation Of Ohio. Iii. Plant Succession, Paul B. Sears
Papers in Ecology
In the preceding papers of this series (1) it has been shown that within the glaciated area the physiographic results of glaciation offer the best general key to the pattern of natural vegetation. The results of glaciation, in turn, have been largely influenced by preglacial conditions.
In analyzing the composition of the natural vegetation of Ohio certain groups of associations were distinguished, to wit, Prairie, Ash, Oak, and Beech. Each group includes several related classical associations as described by Cowles (2) and others.
The Natural Vegetation Of Ohio Ii. The Prairies, Paul B. Sears
The Natural Vegetation Of Ohio Ii. The Prairies, Paul B. Sears
Papers in Ecology
It is well known that many treeless areas existed in Ohio before white settlement. These areas, of various ecological character and usually restricted in size, were in a few cases fairly extensive—embracing from fifty to one hundred square miles. The term "prairie" was rather generally applied to them, although more exact terms were not wanting. Like the various forest associations, these treeless areas have played an important role in influencing industrial and cultural phases of human life in Ohio (1). The present paper is an attempt to reconstruct such areas, now destroyed or obscured by secondary successions induced by white …
Circular 34, Turkey Production, 1926
Circular 34, Turkey Production, 1926
University of Nebraska Historical Extension: Bulletin
Circular 34, Turkey Production, 1926
An Approximation To The Least Root Of A Cubic Equation With Application To The Determination Of Units In Pure Cubic Fields, T. A. Pierce
An Approximation To The Least Root Of A Cubic Equation With Application To The Determination Of Units In Pure Cubic Fields, T. A. Pierce
Department of Mathematics: Faculty Publications
Approximation to the Least Root of a Cubic Bernoulli's method of approximating the largest root of an equation
(1) x3 = ax2 + bx + c,
with real coefficients, is to use (1) as a scale of relation for the recursion formula An = aAn-1 + bAn-2 + cAn-3. Successive A’s are calculated starting from any initial values. Then An+i/An for increasing values of n approximates that root of (1) which has the greatest absolute value if that root is real. The method here given for …
Investigations On The Root Habits Of Plants, J. E. Weaver
Investigations On The Root Habits Of Plants, J. E. Weaver
Department of Agronomy and Horticulture: Faculty Publications
Ten years ago, while studying the vegetation of semi-arid eastern Washington, interest in root studies was aroused because of the extensive root systems of the native species. Balsamorrhiza sagittata, the first plant excavated, is representative. The strong tap root reaches a depth of six feet, and very numerous branches run laterally to distances of about two feet. Further investigations in several other states showed that extensive root systems are the rule among grassland species. Andropogon haliji, with exceedingly well branched fibrous roots seven feet deep, is representative of many of the dominants. About ninety percent of the more …
Some Marine Fish Trematodes Of Maine, Harold W. Manter
Some Marine Fish Trematodes Of Maine, Harold W. Manter
Harold W. Manter Laboratory of Parasitology: Library Materials
During the summer of 1924 a study of marine fish parasites was made at the Mount Desert Island (Maine, USA) Biological Laboratory. The present paper represents a preliminary report on the trematode group. Three new species of trematodes are described. Only brief consideration is here given to species already known. A later paper will deal more completely with these and related forms.
Includes brief descriptions of Podocotyle atomon (Rud. 1802), Podocotyle olssoni Odhner 1905, Stephanochasmus baccatus Nicoll 1907, Lepidapedon rachion (Cobb.) 1858, Lepidapedon elongatum (Lebour 1908), Homalometron pallidum Staff. 1904, Steganoderma formosum Staff. 1904, Otodistomum cestoides (van Ben. 1870), Hemiurus …
The Natural Vegetation Of Ohio, Paul B. Sears
The Natural Vegetation Of Ohio, Paul B. Sears
Papers in Ecology
This map has been prepared by transcribing the species of bearing trees recorded by the original surveyors who traversed the Territory and State of Ohio before the destruction of the virgin forest by the hands of white men.
Surveying of Ohio was begun in July, 1786, (1) under The Geographer of the United States, Thomas Hutchins, employing for the first time his device of sections one mile square. This empirical device was hailed as a great American invention, although the State of Ohio has since been found to possess a curved surface in common with the rest of the earth. …
These Fifty Years: A History Of The College Of Agriculture Of The University Of Nebraska, Robert Crawford
These Fifty Years: A History Of The College Of Agriculture Of The University Of Nebraska, Robert Crawford
These Fifty Years: A History of the College of Agriculture of the University of Nebraska
Contents
CHAPTER I
The Federal Land Grant................... 1
CHAPTER II
The Founding of the University................... 9
CHAPTER III
Establishment of the Agricultural College ................... 20
CHAPTER IV
The Industrial College and the Experiment Station ................... 41
CHAPTER V
Agriculture Comes Into Its Own................... 67
CHAPTER VI
The Crowning Years................... 121
LIST OF ILLUSTRATIONS
LOOKING DOWN THE CAMPUS ...................Title
SAMUEL R. THOMPSON ...................20
SOME FORTY YEARS AGO ...................36
CHARLES E. BESSEY...................52
SAMUEL AVERY ...................68
EDGAR ALBERT BURNETT ...................84
HOME ECONOMICS BUILDING................... 100
DAIRY BUILDING ................... 116
AGRICULTURAL ENGINEERING ................... 132
Bulletin 207, Spindle-Tuber Disease, 1925
Bulletin 207, Spindle-Tuber Disease, 1925
University of Nebraska Historical Extension: Bulletin
Bulletin 207, Spindle-tuber Disease, 1925
Front Matter: These Fifty Years, Robert Crawford
Front Matter: These Fifty Years, Robert Crawford
These Fifty Years: A History of the College of Agriculture of the University of Nebraska
PREFACE
IT seems especially appropriate at this time to publish a history of the College of Agriculture of the University of Nebraska. The year 1922 marked the fiftieth anniversary of the formal establishment of the college by the Board of Regents, while the year 1924 marked the fiftieth anniversary of the enrollment of the first students in agricultural subjects. It is hoped and intended that this little volume shall preserve for the future much valuable material that would otherwise soon be forgotten.
To study back over fifty years of Nebraska education and agriculture and to choose the facts that should …
Increase Mather: The Foremost American Puritan, Kenneth B. Murdock
Increase Mather: The Foremost American Puritan, Kenneth B. Murdock
Zea E-Books in American Studies
The classic biography of preeminent colonial Massachusetts minister and President of Harvard College, Increase Mather (1639-1723). This is the work that re-started Puritan studies in America.
“A book which will be indispensable to students of early American history.” —Times Literary Supplement
“It is a book to welcome and appreciate.” —American Historical Review
“The available sources have been used carefully, and the story is told with great literary skill.” —The Sewanee Review
“[Murdock’s book] opened the sluice gates to powerful streams of scholarship that in the next two decades revised our understanding of American Puritanism.” —Philip F. Gura, in A Concise …
Sand Fulgurites From Nebraska Their Structure And Formative Factors, Abram E. Anderson
Sand Fulgurites From Nebraska Their Structure And Formative Factors, Abram E. Anderson
Bulletin of the University of Nebraska State Museum (1924–2023)
So much has been written during the past century on the origin, structure and occurrence of fulgurites, or lightning tubes, found in many parts of the world that it would seem as though little remains to be added to the literature on the subject; but the discovery of a considerable number of unusually large and complete specimens in Holt and Stanton Counties, Nebraska, which exhibit remarkable definition of the particular features that have occasioned so much controversy regarding their formative processes, has added an important type to the representatives of this phenomenon and afforded clearer interpretation of the origin of …
Sand Fulgurites From Nebraska Their Structure And Formative Factors, Abram E. Anderson
Sand Fulgurites From Nebraska Their Structure And Formative Factors, Abram E. Anderson
Bulletin of the University of Nebraska State Museum (1924–2023)
So much has been written during the past century on the origin, structure and occurrence of fulgurites, or lightning tubes, found in many parts of the world that it would seem as though little remains to be added to the literature on the subject; but the discovery of a considerable number of unusually large and complete specimens in Holt and Stanton Counties, Nebraska, which exhibit remarkable definition of the particular features that have occasioned so much controversy regarding their formative processes, has added an important type to the representatives of this phenomenon and afforded clearer interpretation of the origin of …
Chapter Six: The Crowning Years, Robert Crawford
Chapter Six: The Crowning Years, Robert Crawford
These Fifty Years: A History of the College of Agriculture of the University of Nebraska
THE years from about 1909 to 1923 were the crowning years in the history of the College of Agriculture. Could Professor Thompson, the first professor of agriculture, and those early residents of the state! who wagged their heads at agricultural education have stepped into the farm campus in 1923, Professor Thompson would have found his most sanguine dreams more than realized, while those who scoffed perhaps would have remained to learn. They would have found nine great buildings devoted exclusively to experimentation and instruction, among them the finest agricultural engineering building in the world, a dairy building famous thruout the …
Index: These Fifty Years, Robert Crawford
Index: These Fifty Years, Robert Crawford
These Fifty Years: A History of the College of Agriculture of the University of Nebraska
INDEX (11 pages)
A-Z
ADAIR, WILLIAM, 18.
Adams Act, 68, 98, 119-120.
Agricultural botany, election of Dr. Bessey, 47--48; studies, 54- 55; evolution of department, 94-95, 133. See also Plant pathology.
Agricultural chemistry, ear I y work, 39, 45-46, 54; evolution of department, 90-91, 133. See also Sugar beets and Sorghum.
Agricultural editor, 133.
Agricultural education, evolution of department, 95, 131-132; Shumway Act, 132; SmithHughes Act, 132.
Agricultural engineering, evolution of department, 94, 134 ; first building, 94; irrigation, 105-106,138,157,159-160; new building, 121, 124; tractor testing, 153.
Agricultural extension, outgrowth of farmers' institutes, 122, 139; Smith-Lever Act, 122, 138; creation …
Circular 26, These Fifty Years, 1925
Circular 26, These Fifty Years, 1925
University of Nebraska Historical Extension: Bulletin
Circular 26, These Fifty Years, 1925
These Fifty Years: A History Of The College Of Agriculture Of The University Of Nebraska, R. P. Crawford
These Fifty Years: A History Of The College Of Agriculture Of The University Of Nebraska, R. P. Crawford
Nebraska Agricultural Experiment Station: Historical Circulars
It seems especially appropriate at this time to publish a history of the College of Agriculture of the University of Nebraska. The year 1922 marked the fiftieth anniversary of the formal establishment of the college by the Board of Regents, while the year 1924 marked the fiftieth anniversary of the enrollment of the first students in agricultural subjects. It is hoped and intended that this little volume shall preserve for the future much valuable material that would otherwise soon be forgotten.
The Chromosome Number Of Maize, T. A. Kiesselbach, N. F. Petersen
The Chromosome Number Of Maize, T. A. Kiesselbach, N. F. Petersen
Department of Agronomy and Horticulture: Faculty Publications
The wide-spread interest in the genetics of maize, coupled with the uncertainty as to the number of chromosomes occurring in this species prompted the investigation which is here reported. From a review of the literature it appears that Kuwada (1911, 1915, 1919) is the only worker who has reported extensive counts of maize chromosomes. His results are summarized in table 1. Variations were reported in the number of chromosomes both within and between varieties as well as between different cells of individual plants. He concluded that sweet varieties are usually characterized by having twelve chromosomes, and starchy varieties by having …
Plant Production As A Measure Of Environment: A Study In Crop Ecology, J. E. Weaver
Plant Production As A Measure Of Environment: A Study In Crop Ecology, J. E. Weaver
Department of Agronomy and Horticulture: Faculty Publications
Table of Contents:
Introduction
Location and Description of Stations
Comparisons of Environments
Experimental Methods and Results, 1920
Experiments during 1921
Environmental Conditions
Plant Yield
Experiments during 1922
Environmental Conditions
Native Plant Yield
Growth Of Maize
Summary of Experiments on Native Vegetation
Summary
Xx. The Term "Communal", Louise Pound
Xx. The Term "Communal", Louise Pound
Department of English: Faculty Publications
I. The Doctrine of Communal Origins
The period following the French Revolution was deeply interested in "the people" as a mass conception, in all that belonged to them and all that they created. It was in this period that theorists on the origin of law, customs, religion, language, literature--particularly the folk-song and the folk-tale--liked to advocate the doctrine of spontaneous, unconscious growth "from the heart of the people," as the phrase went. Such conceptions of origin had their critics from the first; but they remained more or less orthodox throughout the nineteenth century, and they still have foothold in both …
The Hemotoxins Of Intestinal Parasites: A Critical Summary With Notes Of Some Cases, Joseph Mellick Leidy Ii
The Hemotoxins Of Intestinal Parasites: A Critical Summary With Notes Of Some Cases, Joseph Mellick Leidy Ii
Harold W. Manter Laboratory of Parasitology: Library Materials
The mechanical and reflex disturbances produced by animal parasites in the intestinal canal and other organs of the body have long been recognized by pathologists and clinicians. The researches of economic parasitologists and the occasional reports by clinical observers indicate the presence of other factors deserving of further investigation. That certain parasitic worms secrete substances that effect the blood of their hosts deleteriously has been shown conclusively by the researches of Tallqvist, Schwartz, Schaumann and others. The broad tapeworm of man which is known to produce severe anaemia contains a hemolytic agent according to the experiments and researches of Schaumann …
Ice Cream Ingredients, H. P. Davis, B. Masurovsky, J. A. Luithly
Ice Cream Ingredients, H. P. Davis, B. Masurovsky, J. A. Luithly
Nebraska Agricultural Experiment Station: Historical Circulars
Ice cream is truly a frozen dairy product although other products than cream may enter into its make-up. The different ingredients that go into the ice cream mix exist in different qualities, grades, concentrations, and forms and it is desirable, therefore, for the ice cream maker to know something of them if a successful product is to be made.
Circular 22, Ice Cream Ingredients, 1924
Circular 22, Ice Cream Ingredients, 1924
University of Nebraska Historical Extension: Bulletin
Circular 22, Ice Cream Ingredients, 1924
Control Of Flowering In Teosinte: Short-Day Treatment Brings Early Flowers, R. A. Emerson
Control Of Flowering In Teosinte: Short-Day Treatment Brings Early Flowers, R. A. Emerson
Department of Agronomy and Horticulture: Faculty Publications
Attempts to force teosinte into flower in mid-summer, in order to facilitate hybridizing it with maize, have afforded considerable information concerning the flowering time of teosinte under diverse conditions. The possibility that some of this information may be of use to others suggests its publication. The paper is, therefore, to be considered as a help in the technique of teosinte and maize hybridization rather than a contribution ~to the solution of the physiological problems involved.
A Founder Of American Parasitology, Joseph Leidy, Henry Baldwin Ward
A Founder Of American Parasitology, Joseph Leidy, Henry Baldwin Ward
Harold W. Manter Laboratory of Parasitology: Library Materials
A biographical overview of American parasitologist Joseph Leidy and his work. bron September 9, 1823, Philadelphia, Pennsylvania, USA - died 1891.
Conclusion
A detailed study of his writing justifies the statement that no one has yet adequately presented or fully elucidated Leidy's contributions to helminthology and his writing will furnish rich lead to many future workers in this field. How monumental the task of preparing a record of the full life work of this extraordinary man who in the same breath as it were, in a single letter records discoveries of far reaching import on bacteria, amoebae, worms, and fossil …
The Common Intestinal Roundworm Of Swine, H. M. Martin
The Common Intestinal Roundworm Of Swine, H. M. Martin
Nebraska Agricultural Experiment Station: Historical Circulars
The large intestinal roundworm of pigs is a very common parasite, and is probably present in every hog raising district of Nebraska. Up until the last few years the true nature of this parasite was unknown. Little did we realize the actual harm done by this worm; but through the scientific investigations of Stewart, Ransom, and others we now know that this parasite causes heavier losses to the breeder and feeder of swine than any other now common in Nebraska.
Bulletin 189, Some New Hybrid Strawberries, 1923
Bulletin 189, Some New Hybrid Strawberries, 1923
University of Nebraska Historical Extension: Bulletin
Bulletin 189, Some New Hybrid Strawberries, 1923