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Articles 57631 - 57660 of 59015
Full-Text Articles in Entire DC Network
Selection Cuttings For The Small Forest Owner, Ralph C. Hawley, Allen W. Goodspeed
Selection Cuttings For The Small Forest Owner, Ralph C. Hawley, Allen W. Goodspeed
Yale School of the Environment Bulletin Series
The purpose of this publication is to indicate to owners of small forests methods of harvesting wood and timber and developing future timber crops which .are likely to prove more profitable than those followed in the past. Cutting practices here described have been applied for some years in the Eli Whitney Forest, New Haven, Conn., where forest areas in various stages of treatment can be ·seen.
Bulletin No. 233 - Observations On The Use Of Commercial Fertilizers On The Arid Soils Of Utah, D. W. Pittman, Clarence Burnham
Bulletin No. 233 - Observations On The Use Of Commercial Fertilizers On The Arid Soils Of Utah, D. W. Pittman, Clarence Burnham
UAES Bulletins
Only within the last few years has the question of commercial fertilizers been worthy of serious consideration in Utah. It has been considered that commercial fertilizers were unnecessary in Utah (1) because arid soils retain their virgin fertility much longer than soils in the humid region which are subject to continual leaching by heavy precipitation, (2) because livestock have always predominated in Utah's agriculture due to the vast areas adapted only to range purposes and livestock means manure to maintain fertility, and (3) because alfalfa, our principal feed crop, is also one of the best plants for gathering nitrogen from …
The Mandible Of Platybeldon Barnumbrowni, Erwin Hinckley Barbour
The Mandible Of Platybeldon Barnumbrowni, Erwin Hinckley Barbour
Bulletin of the University of Nebraska State Museum (1924–2023)
Platybelodon barnumbrowni was described originally as Torynobelodon barnumbrowni.1 The Nebraska State Museum was visited and this unique specimen studied by Dr. Henry Fairfield Osborn and Dr. Walter Granger, August seventeenth and eighteenth, nineteen hundred and thirty-two. It is the opinion of both that this specimen belongs properly to their Mongolian genus Platybelodon. With certain reservations the writer wishes to defer instantly to their judgment, which is based on unequalled experience. It is perfectly apparent that this form makes a close approach to the remarkable Platybelodons found by Granger and Andrews in the Gobi Desert of Mongolia, later figured and …
Farm Mortgage Experience Of Life Insurance Companies Lending In South Dakota, Harry Allan Steele
Farm Mortgage Experience Of Life Insurance Companies Lending In South Dakota, Harry Allan Steele
Electronic Theses and Dissertations
Life insurance funds play an important part in supplying farm mortgage credit. This source of credit has increased rapidly during the last twenty years and is now one of the principal sources of farm mortgage loans in the United States. Because of the nature of the institution of life insurance, its investments should be conservative. It is with this view in mind that the state insurance laws are designed to regulate the investments of the life insurance companies. Investments of the well established life insurance companies have generally been made on a conservative basis.
North And South Dakota Horticulture, December 1931, North And South Dakota State Horticultural Societies
North And South Dakota Horticulture, December 1931, North And South Dakota State Horticultural Societies
North and South Dakota Horticulture
Volume 3, Number 12
Honey and the Consumer, H.B. Gooderham, Dominion Apiarist
North Dakota State Horticultural Society News Letter, December, 1931. A.F. Yeager, Secretary
Beekeeping Notes, J.A. Munro
Garden Notes, F.X. Wallner
Garden Reminiscences, Thos. W. Hobart
Extracts From the Diary of a Traveling Man, W.A. Simmons
Early Potatoes, J.J. Woods, Dom. Exp. Farm, Agassiz, B.C.
More Perennials in the Dakotas, A.L. Truax, Crosby, N.D.
The Regal Lily, Mrs. Rosalyn McCarthy, Watertown, S.D.
The Snowy Owl, O.A. Stevens, Fargo, N.D.
Pear Varieties in Minnesota
Circular No. 96 - Crickets And Grasshoppers In Utah, W. W. Henderson
Circular No. 96 - Crickets And Grasshoppers In Utah, W. W. Henderson
UAES Circulars
In the written history of Utah, especially that which is reflected in diaries and journals of the pioneer settlers and that found in the oldest publications, there is ample evidence that one of the most serious handicaps to progress in this "far-western" territory was the cricket and its near kinsman, the grasshopper. Three basic resources on which the first permanent settlers counted were: (1) Good soil suitable for raising crops to sustain life; (2) suitable climate to make possible the maturing of wheat, corn, and vegetables; and (3) sufficient water of good quality not only for home uses but for …
The Influence Of Number Of Daily Milkings On The Production Of Dairy Cows, R. F. Morgan, H. P. Davis
The Influence Of Number Of Daily Milkings On The Production Of Dairy Cows, R. F. Morgan, H. P. Davis
Nebraska Agricultural Experiment Station: Historical Research Bulletins
High-producing Holstein, Jersey, Ayrshire, and Guernsey cows of various ages milked three times daily produced from 39.69 to 52.26 per cent more fat and from 44.98 to 65.18 per cent more milk than cows milked twice daily. When high-producing cows of all breeds milked four times daily were compared with cows milked twice daily, the fat production for the several age classes varied from 110.19 to 127.53 per cent and the milk production from 149.08 to 160.31 per cent greater for those milked four times. Milking high-producing cows four times as compared with three times daily showed an increased fat …
Studies Of Rickets In Swine, William J. Loeffel, Ray R. Thalman, F. C. Olson, F. A. Olson
Studies Of Rickets In Swine, William J. Loeffel, Ray R. Thalman, F. C. Olson, F. A. Olson
Nebraska Agricultural Experiment Station: Historical Research Bulletins
During the years 1925 to 1929 inclusive, the Nebraska Agricultural Experiment Station carried on a series of four experiments to study the importance of the antirachitic factors in the nutrition of swine. Vitamin D as obtained from cod-liver oil and the radiant-energy factor of sunlight were the sources of the antirachitic factors that received primary consideration. Emphasis was placed upon the study of the symptoms and lesions produced in pigs fed a rickets-producing ration.
The Development Of The Archegonium Of Marchantia PolymorphumL., Mary Virginia Braukman
The Development Of The Archegonium Of Marchantia PolymorphumL., Mary Virginia Braukman
Bachelors’ Theses
Marchantia polymorphum L. grows commonly under moist conditions, in ravines or along the sides of ditches, banks of streams, and in other similar places. It can be found in what appear to be quite dry situations, though it is more nearly correct to state that it can exist through more or less prolonged dry periods. It grows actively only when conditions are comparatively moist. Marchantia reaches its best development on damp burnt-over wooded places. Marchantia polymorphum L. appears as a flat dichotomously branched thallus, closely pressed to the substratum on which it grows. The thallus is selt-supporting, possessing chlorophyll, and …
How Far Is The Argument Of Homology Acceptable To Reason, Wilmur Daniel Ackerman
How Far Is The Argument Of Homology Acceptable To Reason, Wilmur Daniel Ackerman
Bachelors’ Theses
Evolution is a subject that involves a great deal more than the average person really thinks about. To approach subject like this, one must try to obtain as many of the different factors that taken into consideration as is possible.
Iowa Academy Of Science, Jacob W. Swisher
Iowa Academy Of Science, Jacob W. Swisher
Iowa Academy of Science Documents
Reprinted from the July 1931 issue of the Iowa Journal of History and Politics published by the State Historical Society of Iowa,
Surface Tension Of Saturated Vapors And The Equation Of Eotuos, Leon J. Shereshefsky Howard University
Surface Tension Of Saturated Vapors And The Equation Of Eotuos, Leon J. Shereshefsky Howard University
Department of Chemistry Faculty Publications
No abstract provided.
Surface Tension Of Saturated Vapors And The Equation Of Eotuos, Leon J. Shereshefsky
Surface Tension Of Saturated Vapors And The Equation Of Eotuos, Leon J. Shereshefsky
Faculty Reprints
No abstract provided.
Microsporogenesis In Lilium Formosum, Marcella Alice Zeman
Microsporogenesis In Lilium Formosum, Marcella Alice Zeman
Bachelors’ Theses
Anthers of Lilium formosum were collected ranging from the very young to the mature. Anthers used for the writing of this paper were gathered around Easter time or early April. The anthers were removed from the bud and the ends were cut off. Each anther was cut into three or four parts at right angles to their respective lengths. After the washing, infiltration, and imbedding was completed, sections were cut from eight to ten micra in thickness. Before staining the sections were placed in a solution of hydrogen peroxide to bleach for three hours. Flemming 's triple stain, a combination …
Bulletin No. 226 - Alfalfa-Seed Production, J. W. Carlson, George Stewart
Bulletin No. 226 - Alfalfa-Seed Production, J. W. Carlson, George Stewart
UAES Bulletins
Utah's alfalfa-seed crop is of far-reaching importance. Since 1919, the growing of this crop has been a major industry in western Millard County and in that part of the Uintah Basin situated in Utah. These places are two of the relatively few large areas in the United States peculiarly adapted by climate for the successful growing of alfalfa-seed. As a cash crop, alfalfa-seed has a high commercial value. It is also the basis of the state's alfalfa hay crop, which in turn constitutes the foundation of Utah's livestock industry. Because of its wide dissemination, Utah's alfalfa-seed crop influences the feed …
Utilization Of Proteins By The Growing Chick, F. E. Mussehl, C. W. Ackerson
Utilization Of Proteins By The Growing Chick, F. E. Mussehl, C. W. Ackerson
Nebraska Agricultural Experiment Station: Historical Research Bulletins
1. There is a marked difference in the nutritive value of the various protein-contributing concentrates when used to supplement a corn-wheat basal ration which has been made complete for known vitamin and mineral essentials. 2. There is a great difference in the biological value even of animal protein concentrates. 3. Soybean meal produced a better growth rate than any of the other plant concentrates used. Cottonseed meal proved to have a greater growth-promoting value than did linseed oil meal. 4. The supplementing values of protein concentrates, one to another, is not quite as evident as one would expect if the …
Inheritance In A Wheat Cross Of Ridit X Utac, C. Leland Dalley
Inheritance In A Wheat Cross Of Ridit X Utac, C. Leland Dalley
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Present-day plant breeding, on the foundation made many years ago, has achieved important scientific and economic results. By means of introductions and selections, superior strains such as Turkey and Kanred have been obtained. Through hybridization new combinations of characters result, combining desirable characters of different plant types in a single individual. In this program, wheat hybridization has occupied a worthy place.
Each year a number of wheat crosses are made at the Utah Experiment Station, the main purpose of which is to develop superior strains of wheat. Such an economic program is aided and hastened by studies in genetic behavior. …
A Study Of Different Methods Of Applying Ammonium Sulfate Alone And In A Complete Fertilizer, Clarence Burnham
A Study Of Different Methods Of Applying Ammonium Sulfate Alone And In A Complete Fertilizer, Clarence Burnham
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The beneficial effects obtained from the application of farmyard manure to the soil have long been known in Utah, but now the point has apparently been reached where it becomes evident that the supply of manure is hardly adequate in some sections where intensive cropping is practiced. The use of commercial fertilizers to increase crop yields is a new practice in Utah agriculture as is shown in Table 1 from an estimate made from data kindly furnished by the Columbia Steel Company, Anaconda Copper Mining Company, Ford Motor Company, Armour Packing Company, and Porter Walton Company.
The early sales in …
Inheritance Of Glume And Kernel Color, Of Awnedness, And Of Spike Density In A Cross Between Ridit And Sevier Wheat, Leslie W. Nelson
Inheritance Of Glume And Kernel Color, Of Awnedness, And Of Spike Density In A Cross Between Ridit And Sevier Wheat, Leslie W. Nelson
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This paper is devoted principally to the presentation and discussion of the results obtained when certain contrasting characters were brought together in a wheat cross between Ridit and Sevier 59. this is one of the crosses made in an attempt to develop a wheat adapted to this region with the following desirable qualities: Bunt resistance, strong straw, hard kernels, and heavy yield. How near this ideal is approached in succeeding generations can be told only by extensive tests. The genetic study herein presented was made to hasten the time when some of the progeny of this cross may become of …
Genetic Study Of Certain Spike And Floral Characters In Barley, Dwight Koonce
Genetic Study Of Certain Spike And Floral Characters In Barley, Dwight Koonce
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Due to the commercial importance of barley many hybridization studies have been prosecuted in an effort to produce superior economic strains. While the economic breeding is still important, at present there is considerable scientific interest int he inheritance of the characters and in the location of the genes in the different linkage groups.
Circular No. 93 - Better Sugar-Beet Culture For Utah, George Stewart, D. W. Pittman
Circular No. 93 - Better Sugar-Beet Culture For Utah, George Stewart, D. W. Pittman
UAES Circulars
Utah was one of the first states to begin sugar-beet growing. The industry grew rapidly, favored by the climate, by the naturally productive soils, by the freedom from pests, and by the system of intensive irrigation agriculture. California and Utah were among the leading beet-producing states at the time of the World War, and under the stimulus of high prices they remained so until the great depression of 1920. After that, the frequent occurrence of curly-top and the rapid spread of nematode, together with the low price resulting from increased cane sugar production in the tropics and from other causes …
Bulletin No. 225 - Progress Report: Carbon County Experimental Farm, 1927-30, Inclusive, I. D. Zobell, George Stewart
Bulletin No. 225 - Progress Report: Carbon County Experimental Farm, 1927-30, Inclusive, I. D. Zobell, George Stewart
UAES Bulletins
The agricultural problems of the Carbon County Experimental Farm and of the locality which it serves are distinctly different from those of most of the farming localities of Utah. The low and uncertain winter rainfall, the comparative "rawness" of the soils, together with their almost infinite stickiness when wet, and the presence of considerable alkali throughout their body makes them peculiarly sensitive to time and manner of treatment and causes them to absorb water slowly and to erode readily.
Circular No. 92 - Torrential Floods In Northern Utah
Circular No. 92 - Torrential Floods In Northern Utah
UAES Circulars
On account of the recurring nature and the destructive character of the floods which have devastated property in Davis County and elsewhere in recent years, it appeared advisable to make a special study of the situation, I, therefore, in 1930, appointed a commission of citizens whom I deemed especially qualified, including practical engineers, geologists, foresters, and stockmen, asking them "to study the origin and cause of floods in Davis County and other parts of the state, and to ascertain whether any flood prevention measures are feasible".
The Natural Factors In The Selection Of Diet., Lamar William Neblett
The Natural Factors In The Selection Of Diet., Lamar William Neblett
Electronic Theses and Dissertations
No abstract provided.
Certain Cultural Characteristics Of Digitalis Pupurea, (Linne) With A Proposed Chemical Assay, Clark W, Eidsmoe
Certain Cultural Characteristics Of Digitalis Pupurea, (Linne) With A Proposed Chemical Assay, Clark W, Eidsmoe
Electronic Theses and Dissertations
Since its introduction into modern medicine digitalis has occupied a very important position in our material medica. Its widespread use as a remedy in conditions of failing heart, and its effectiveness as a diuretic in certain dropsical conditions have gained for it a reputation which is equaled by few other drugs. The opinion of pharmacologiate and physicians as to its mode of action and its field of clinical usefulness has been revised a number of times, and there is much diversity of teaching as to its use in special ailments. Among some workers there is a tendency to restrict its …
Studies On The Intestinal Absorption Of Histamine. , Raphael William Albi
Studies On The Intestinal Absorption Of Histamine. , Raphael William Albi
Master's Theses
No abstract provided.
The Spleen Considered With Special Reference To Its Functions, Louis J. Schmidt
The Spleen Considered With Special Reference To Its Functions, Louis J. Schmidt
Bachelors’ Theses
In arranging this thesis an attempt has been made to show that by virtue of its embryology, anatomy and histology, the spleen is the better enabled to carry out its alleged functions. The discussion here presented is confined to a story of the functions of the mammalian spleen alone. The similarities in the reactions of the spleen in the various mammalia is quite evident. Experimentation and observations were carried out on the lower mammalia while only the reactions of the splenectomized humans could be observed.
The Spleen: With Special Reference To Its Origin And Comparative Morphology, Morris Aaron Gilbert
The Spleen: With Special Reference To Its Origin And Comparative Morphology, Morris Aaron Gilbert
Bachelors’ Theses
Throughout the ages the spleen has been an object of the most active curiosity. The opinion that the spleen is unnecessary and of no use to the individual has prevailed with an uninterrupted succession in the World in all ages. In Persia, many centuries ago, in the reign of Abouserous it was a custom to splenectomize the horses that were kept to carry the King’s dispatches, in order to give them more agility and swifter feet. The great Aristotle thought the spleen to be a sort of spurious liver planted in the left side to correspond to the liver in …
Root Growth Of White Pine (Pinus Strobus L.), Clark Leavitt Stevens
Root Growth Of White Pine (Pinus Strobus L.), Clark Leavitt Stevens
Yale School of the Environment Bulletin Series
Periodic measurements were made throughout two growing seasons to determine the rate of growth in length of lateral roots of white pine, four to six years old, planted in open fields.....Wide variation between individual roots was observed in the amount of growth made annually.
Circular No. 90 - Swine Production In Utah, Harry H. Smith
Circular No. 90 - Swine Production In Utah, Harry H. Smith
UAES Circulars
During the last 20 years there has been a marked change in the type of hogs from the short-legged, wide-bodied or "hot-blood" type to a longer, somewhat more narrow-bodied, "leggier" type. For development of size in hogs they must have (1) length and depth of body, (2) length of leg, and (3) large but not coarse bones. The long-bodied rather "leggy" pig grows rapidly and makes the larger hog. While the modern hog is still a lard hog, it is not as thick and broad as were its predecessors. It is logical to assume that the hog of the future …