Digital Commons Network^™

Research Bulletin 13, Studies Concerning The Elimination Of Experimental Error In Comparative Crop Tests, 1918

University of Nebraska Historical Extension: Bulletin

Research Bulletin 13, Studies Concerning the Elimination of Experimental Error in Comparative Crop Tests, 1918

Bulletin 165, Growing Pigs In Summer, 1918

University of Nebraska Historical Extension: Bulletin

Bulletin 165, Growing Pigs in Summer, 1918

A Theorem On Semi-Continuous Functions, Henry Blumberg

Department of Mathematics: Faculty Publications

Recently G. C. Young and A. Denjoy have communicated theorems—those in Denjoy's memoir are of an especially comprehensive character—dealing, in particular, with point sets where the four derivatives of a given continuous function are identical. It is the purpose of this note to treat an analogous problem that arises when "derivative" is replaced by "saltus." However, instead of confining ourselves to "saltus," we prove a more general theorem that applies essentially to all semi-continuous functions. We preface the proof of this theorem with the following

Conservation Survey Of Nemaha County, Nebraska, G. E. Condra

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

A Provisional List Of Nebraska Authors, Sophia J. Lammers

University of Nebraska-Lincoln Libraries: Faculty Publications

This list of Nebraska authors has been prepared to answer the many demands for such information that have come to this library. The frequency with which this reference inquiry appears, not only in our library but elsewhere, is shown from the fact that manuscript lists of Nebraska authors have been compiled in the Lincoln City Library, the State Library, the Library Commission, the State Historical Society, and the Legislative Reference Bureau. This material has been placed freely at the disposal of the compiler of the present list. Many individuals have also been consulted and have contributed information of value. The …

Studies Concerning The Elimination Of Experimental Error In Comparative Crop Tests, Theodore A. Kiesselbach

University of Nebraska-Lincoln Extension: Historical Materials

It is apparent that many sources of error have unconsciously entered into comparative crop yield tests. The very important matter of overcoming variation in soil conditions as a source of experimental error has been quite extensively studied and reported by various investigators during the past decade. The means suggested for reducing such error have been (1) repetition of plats and (2) correction of yields according to check plats planted to a uniform variety or treatment at stated intervals. Both methods have proved of value and a combination of both may often be used advantageously. Some danger always exists of error …

Color And Color-Pattern Mechanism Of Tiger Beetles, Victor E. Shelford

University of Nebraska State Museum: Entomology Papers

In 1903 the writer undertook a study of variation of the tiger beetles. The work here presented is the outgrowth of this beginning, and indeed includes some small portions regarding color patterns that were written in that year. The work has been prolonged for many reasons, but chief of these was the very large number of species in the group and the fact that an adequate understanding of the material could not be attained without consulting many large collections. Further, the experimental results obtained in 1906 demanded a firsthand study of the variations of the species concerned and their natural …

Ecological Studies In The Tension Zone Between Prairie And Woodland, J. E. Weaver, Albert F. Thiel

Department of Agronomy and Horticulture: Faculty Publications

Upon the completion of a series of investigations in southeastern Washington and adjacent Idaho, in which there was found to be a direct relation between the available water content of the soil and the evaporating power of the air as succession progressed from grassland through scrub to forest, the senior writer moved to Minneapolis, Minnesota. Here such excellent conditions of prairie invaded by scrub and followed by forest offered themselves for study that the services of the junior author were enlisted and an analysis of the situation attempted. Later this study was supplemented by similar work carried on at Lincoln, …

Spraying Experiments In Nebraska, J. Ralph Cooper

Nebraska Agricultural Experiment Station: Historical Research Bulletins

The more important questions which were considered during the three years covered by the present report were as follows: 1. How many summer sprays are required and when should they be applied? 2. What is the difference in efficiency between various brands of arsenate of lead? 3. What are the relative values of lime sulphur and Bordeaux as fungicides for spraying apples? 4. Is it possible to lessen or prevent Bordeaux injury and at the same time control fungous diseases? 5. Is it possible to interchange Bordeaux and lime sulphur in a spray schedule in such a manner as to …

The Potash Industry Of Nebraska, George E. Condra

George E. Condra Publications

No abstract provided.

The Naming Of Characters In The Works Of Charles Dickens, Elizabeth Hope Gordon

University of Nebraska Studies in Language, Literature, and Criticism

An extensive examination of the names of characters in the works of the majority of nineteenth and twentieth century novelists would obviously be of little value, for the growing tendency toward the commonplace in realism has necessitated the selection of neutral names or names taken outright from actual persons. Though few of the characters in recent fiction are so handicapped by inappropriate names as are many people in real life, where, to quote a modern poet, "surnames ever go by contraries" still, with the contemporary novelists, there is usually nothing in a name to denote an intimate correspondence between it …

A Study Of The Vegetation Of Southeastern Washington And Adjacent Idaho, J. E. Weaver

University Studies (University of Nebraska) (1888–1984)

Noone at all botanically inclined can travel through southeastern Washington without being impressed with the marked changes which a distance of only a few miles may show in the vegetation. Traveling eastward from a point fifty miles west of the Idaho state line, one passes from a region of scab-land sagebrush through one of rolling hills covered with bunch-grasses. Upon steadily ascending the great Columbia Plateau, the 'bunchgrasses give way to well developed prairies, and these in turn, near the Idaho line, to forests of yellow pine, Douglas fir, white fir, tamarack, and cedar. Or starting from Spokane in the …

The Beginnings Of Poetry, Louise Pound

Department of English: Faculty Publications

The songs of primitive peoples have received much attention in recent years, especially the songs of the American Indians. An immense amount of material has been collected and made available; and this has been done in a scientific way, with the help of countless phonographic and -other records. Instead of having to rely on the stray testimonies of travellers, explorers, historians, and essayists, the student of primitive poetry has now at his disposal an amount of data unavailable to his predecessors. He need not linger among the fascinating mysteries of roman- tic hypotheses, but can supply himself with the carefully …

Research Bulletin 10, Spraying Experiments In Nebraska, 1917

University of Nebraska Historical Extension: Bulletin

Research Bulletin 10, Spraying Experiments in Nebraska, 1917

Drainage Districts Of Southeastern Nebraska, Calvin Turner Moore

Conservation and Survey Division: Faculty and Staff Publications

Throughout certain parts of the United States the importance of drainage is receiving increased recognition each year. The scope of investigations and operations covers many localities that are affected with "springy" lands, swamps, shallow lakes, overflowed lands, and tide lands.

A Short Story As Regards The Drainage Of Salt Creek, G. E. Condra

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Preliminary Report On The Clay Industry Of Nebraska, E. H. Barbour

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

The Conservation Of Foods

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Preliminary Report On The Clay Industry Of Nebraska, Erwin Hinckley Barbour

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

A Study Of The Vegetation Of Southeastern Washington And Adjacent Idaho, J. E. Weaver

Department of Agronomy and Horticulture: Faculty Publications

Introduction
Extent and position of area
Physiographic regions and geology
Soils
Topography and drainage
General plant-life conditions
General vegetational distribution
Outline of developmental series
Evaporatidn and soil moisture in relation to succession
Soil temperature in relation to succession
The prairie-plains formation
Agropyron-Festuca association
Festuca consociation
Agropyron consociation
Rhizocarpon-Lecidea associes
Gyrophora-Parmelia associes
Grimmia-Tortula associes
Poa-Polygonum associes
The desert scrub formation
Artemisia-Atriplex association
Artemisia consociation
The Pacific Coast forest formation
Thuja-Tsuga association
Symphoricarpos-Opulaster associes
Pinus-Pseudotsuga associes
Larix-Abies associes
Thuja consociation
Adsere Alnus-Salix associes
Subsere Natural reforestation in cut-over areas and in burns
Hydrosere
Chara-Potamogeton associes
Nymphaea-Potamogeton associes
Scirpus-Typha associes
Eleocharis-Carex associes
Wet …

Operator's Instruction Manual: Case Va, Nebraska Tractor Test Lab

Nebraska Tractor Tests

No abstract provided.

Transpiration As A Factor In Crop Production, T. A. Kiesselbach

Nebraska Agricultural Experiment Station: Historical Research Bulletins

The object of experiments reported in this bulletin has been to determine principles according to which water is used by crops. In many agricultural districts, water is frequently a seriously limiting factor in crop production. It has been thought that some means might be devised through a correct understanding of the principles involved, whereby economy in the use of water in farm practice could be increased. In this effort there are two chief points of attack, namely, (1) adjusting the external factors to the needs of the plant, and (2) selecting plants adapted to the conditions.

The Colloidal Swelling Of Wheat Gluten In Relation To Milling And Baking, F. W. Upson, J. W. Calvin

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Our experiments deal with the changes in hydration capacity of gluten under different conditions and were carried out by determining accurately the amount of water absorbed by gluten from solutions of varying concentrations of different acids, both with and without the presence of salts.

Ecological Investigations Upon The Germination And Early Growth Of Forest Trees, Richard H. Boerker

University Studies (University of Nebraska) (1888–1984)

Briefly stated the purpose of the present investigation is to inquire into the effect of the more important habitat and seed factors upon the germination and early development of certain American forest trees in control cultures in the greenhouse for the purpose of obtaining data that may be used in the ~ilvicultural management of these species.

Prefatory Note 1 / Preliminary Considerations 7 / Historical 7 / Classification and Resume of Habitat Factors 11 / The Germination Process 15 / Method of Attacking Problem at Hand 19/ Methods and Apparatus Used 2 1/ The Control of Habitat Factors 24 / …

The Effect Of Climate And Soil Upon Agriculture, Russell R. Spafford

University Studies (University of Nebraska) (1888–1984)

Field studies in farm management are at present almost whclly confined to measu ring the profitableness of a farm business and analyzing the effect of those factors which fall largely within the control of the farm operator. While factors beyond individual control have always been recognized in field work, very little attempt has thus far 'been made to measure their influence upon farming; It is true that with present weather, soil, botanical, census, and farm management data only preliminary measurements can be made, but nevertheless such measurements do much toward correlating what at present are disconnected facts in agricultural science. …

Bulletin 156, Farming Practice In The Sand Hills Section Of Nebraska, 1916

University of Nebraska Historical Extension: Bulletin

Bulletin 156, Farming Practice in the Sand Hills Section of Nebraska, 1916

Bulletin 157, Farm Management Studies In Eastern Nebraska, 1916

University of Nebraska Historical Extension: Bulletin

Bulletin 157, Farm Management Studies in Eastern Nebraska, 1916

A Preliminary Report Of The Alkali Resources Of Nebraska, Nebraska Geological Survey

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Road Problems In Nebraska, G. E. Condra

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

The Natural Fuels Of Nebraska, Erwin H. Barbour

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.