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Articles 14611 - 14640 of 14771
Full-Text Articles in Agricultural Science
Circular No. 56 - Summary Of Publications
Circular No. 56 - Summary Of Publications
UAES Circulars
Circular No. 56 contains summaries of publications of the Utah Agricultural Experiment Station' issued since September, 1924. The publications of this Station are no longer sent to a general mailing list (except in case of libraries) but are sent only on request. Therefore, copies of any of the publications listed will be sent without charge to those requesting them as long as the supply is available. However, in case of abstracts of scientific and technical papers the supply is very limited and the requests for these should be limited as far as possible only to those who are especially …
Circular No. 55 - Rules And Regulations For The Second Utah Intermountain Egg-Laying Contest, Byron Alder
Circular No. 55 - Rules And Regulations For The Second Utah Intermountain Egg-Laying Contest, Byron Alder
UAES Circulars
The support given the first Utah Intermountain Egg-Laying Contest by the poultry breeders of this section and the very unusual records obtained during this contest to date seem to justify this announcement of the rules and regulations for the second contest to begin November 1, 1925. The contest is located on a part of the Utah Agricultural College Farm near the experimental poultry yards. It is managed by the Poultry Department with an experienced poultry raiser in direct charge of the feeding and care of the hens in the contest. The buildings, grounds, and fences were built and furnished by …
Bulletin No. 194 - The Influence Of Storage On The Composition Of Flour, J. E. Greaves, C. T. Hirst
Bulletin No. 194 - The Influence Of Storage On The Composition Of Flour, J. E. Greaves, C. T. Hirst
UAES Bulletins
There is quite a general belief among millers, bakers, and the laity that flour improves on ageing. However, there is no definite information as to the time requisite for this improvement nor whether it reaches a maximum and then deteriorates. The information is no more exact as to the changes which occur during the ageing process or the conditions which govern them. We have found no reference in the literature where bad effects have resulted from storage, provided a highly-milled, sound flour is stored in dry, well-ventilated rooms free from odors (20). The results which have been reported point to …
Circular No. 54 - The More Important Insects Injurious To The Sugar-Beet In Utah, I. M. Hawley
Circular No. 54 - The More Important Insects Injurious To The Sugar-Beet In Utah, I. M. Hawley
UAES Circulars
Insects destroy many sugar-beets in Utah. In some years the incomes of the farmers of the state are greatly reduced because of the ravages of these pests. This circular has been written in the hope that the more important information about the insect pests of this valuable crop may be more readily available to the beet growers of the state.
The insects treated in this paper are grouped under two main heads. In the first division are included those insects affecting the tops or foliage of the beet. In the second division are those insects that feed on the roots.
Bulletin No. 193 - Cache County Water Conservation District No. 1, William Peterson, G. D. Clyde, D. S. Jennings, M. D. Thomas, Karl Harris
Bulletin No. 193 - Cache County Water Conservation District No. 1, William Peterson, G. D. Clyde, D. S. Jennings, M. D. Thomas, Karl Harris
UAES Bulletins
Cache County Water Conservation District No. 1 lies on the west side of the valley about eight miles from and a little northwest of Logan, Cache County, Utah. Figure 1 shows the location of the project with respect to Salt Lake, Ogden, Brigham City, Logan, and Cache County. Cache County, with a population in 1920 of 27,000 people, is located in the north-central part of the state and occupies the greater part of the fertile Cache Valley. Cache County Water Conservation District No.1 includes 8490.78 acres (of which 7373.38 acres are allotted water) and extends from Bear River and its …
Bulletin No. 192 - Biennial Report Of The Director: For The Years 1923 And 1924
Bulletin No. 192 - Biennial Report Of The Director: For The Years 1923 And 1924
UAES Bulletins
No report (either annual or biennial) of the work of the Utah Agricultural Experiment Station has been published separately since 1906. There has been so much inquiry regarding the present status of research projects that a brief report at this time is considered opportune. The report is an attempt to give the reader a brief but concise and comprehensive survey of the research work now under way at the Utah Agricultural Experiment Station as well as a brief description of the work being attempted on each of the experimental farms.
Circular No. 53 - Summary Of Publications
Circular No. 53 - Summary Of Publications
UAES Circulars
This circular contains summaries of the publications of the Utah Agricultural Experiment Station issued since September 1923. The publications of this Station are no longer sent to a general mailing list (except in the case of libraries) but are sent only on request. Therefore, copies of any of the publications listed will be sent without charge to those requesting them as long as the supply is available.
Bulletin No. 189 - Ridding The Land Of Wild Morning Glory, George Stewart, D. W. Pittman
Bulletin No. 189 - Ridding The Land Of Wild Morning Glory, George Stewart, D. W. Pittman
UAES Bulletins
"Morning glory" is the common name for one of the worst weeds found in Utah. On account of its general resemblance to a cultivated plant spoken of as morning glory, the weed is frequently and more correctly known as the "wild morning glory." Since everyone who handles farm land knows the plant, a description of it is unnecessary. It may not be amiss, however, to mention that the name probably comes from the fact that the showy, funnel-shaped flowers are open only in the morning, being folded within the sepals after midday or earlier in hot, dry weather.
Bulletin No. 190 - Corn Silage In A Dairy Ration, W. E. Carroll
Bulletin No. 190 - Corn Silage In A Dairy Ration, W. E. Carroll
UAES Bulletins
In 1914 a study of the value of corn silage in the dairy ration was undertaken at this station. The first phase of the general question to receive attention was the effect of adding silage to a basal ration of alfalfa hay and grain.
Circular No. 52 - Rules And Regulations For The Utah Intermountain Egg-Laying Contest, Byron Alder
Circular No. 52 - Rules And Regulations For The Utah Intermountain Egg-Laying Contest, Byron Alder
UAES Circulars
The contest will be located on a part of the Utah Agricultural College Farm near the experimental poultry yards. It will be managed by the Poultry Department with an experienced poultry raiser in direct charge of the feeding and care of the hens in the contest. It is hoped that the entry fee and the sale of eggs will pay for the expense of the contest. The buildings, ground, and fences will be built and furnished by the college.
Bulletin No. 188 - Maintaining The Productivity Of Irrigated Land, D. W. Pittman
Bulletin No. 188 - Maintaining The Productivity Of Irrigated Land, D. W. Pittman
UAES Bulletins
It is almost universal history that in farming a newly developed region no attention whatever is paid to maintaining the fertility of the soil. This is natural for two very obvious reasons. In the first place the pioneer has other and more pressing problems in the "subduing" of the new land, and in the second place such virgin soils are generally blessed with a great abundance of native fertility. New lands in an arid or semiarid region are usually especially fertile because they represent a long-time accumulation of fertility which is not possible under humid conditions. Since in a humid …
Circular No. 51 - Foot-And-Mouth Disease, H. J. Frederick
Circular No. 51 - Foot-And-Mouth Disease, H. J. Frederick
UAES Circulars
The following is printed that the seriousness of the foot-and-mouth disease outbreak might be apparent to the farmers and ranchmen of Utah, that the importance of the quarantine regulations might be emphasized, that precautionary methods might be adopted by each individual concerned, that the disease might be recognized should it occur, and that each stock man of the state might see the importance of immediately reporting to the State Veterinarian or to a veterinarian in his locality or to the Utah Agricultural Experiment Station.
Circular No. 50 - Brooding And Feeding Chicks, Byron Alder
Circular No. 50 - Brooding And Feeding Chicks, Byron Alder
UAES Circulars
Raising baby chicks seems a comparatively simple matter to some, yet there are more failures in poultry-keeping due to inability to raise good, vigorous pullets than to any other one cause. The number of eggs produced, the size of the eggs (within certain limits), and the profit made from a flock of hens is often determined very largely by the success in brooding the chicks and developing the pullets into strong, vigorous hens. Many who try to raise chicks are not successful because they fail to realize that a baby chick is a "real baby". They cannot survive with careless …
Circular No. 49 - This Public Domain Of Ours, George Stewart
Circular No. 49 - This Public Domain Of Ours, George Stewart
UAES Circulars
In Utah are somewhat more than fifty-two and a half million acres of land. Of this about five million acres are in farms, but only 1,371,000 acres, or 2.6 per cent, are irrigated. In addition there are about 344,000 acres under dry-farm culture, making a total of 1,715,000 acres of improved land. This leaves all of Utah's fifty-two and a half million acres, except about 3.5 per cent, to be utilized by some means other than crop-growing. There will be some addition of new lands not in farms and some development in unimproved farm lands, but when every development that …
Bulletin 119 - Take-All Of Wheat And Similar Diseases Of Cereals, W. M. Carne, J. G.C. Campbell
Bulletin 119 - Take-All Of Wheat And Similar Diseases Of Cereals, W. M. Carne, J. G.C. Campbell
Bulletins 1 - 2999
This important disease, known also as Footrot, Blackleg, and Whiteheads, affects wheat principally, but also occurs on barley, rye, and certain grasses. In a very few instances it has been known to attack oats, but this is so rare that oats may be regarded for practical purposes as free from attack. Of the grasses attacked the most important, from a farming point of view in Western Australia, are Bailey Grass (Hordeum murinum), Silver Grass (Festuca bromoides and F. myuros), and the so-called Spear grasses (Bromus spp.). These annual grasses are very common in the wheat belt.
Bulletin 121 - Mildew, Septoria, Leaf Spots And Similar Diseases Of Cereals, W. M. Carne, J. G. C. Campbell
Bulletin 121 - Mildew, Septoria, Leaf Spots And Similar Diseases Of Cereals, W. M. Carne, J. G. C. Campbell
Bulletins 1 - 2999
Mildew attacks all the cereals as well as many grasses. but as in black stem rust the fungus has developed specialised races, one attacking wheat, another barley, another rye and so on, so that the form attacking wheat will not attack oats, etc
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 Genetic View Of Sex Expression In The Flowering Plants, R. A. Emerson
A Genetic View Of Sex Expression In The Flowering Plants, R. A. Emerson
Department of Agronomy and Horticulture: Faculty Publications
It seems a conservative statement to say that studies
of the past twenty years among animal forms have
tended increasingly to link the phenomena of sex inheritance
with the behavior of chromosomes. To this
result, cytology and genetics have contributed perhaps
almost equally. The number of forms in which
one sex is known to have a morphologically different
chromosome complex from the other sex are many.
That, with respect to the chromosomes, the female of
certain forms produces gametes of a single kind,
whereas the male produces two kinds, and that in
turn an egg fertilized by one kind of …
Size And Structure Of Leaves Of Cereals In Relation To Climate, William Edward Bruner, John E. Weaver
Size And Structure Of Leaves Of Cereals In Relation To Climate, William Edward Bruner, John E. Weaver
University Studies (University of Nebraska) (1888–1984)
Although a very large amount of work has been done on the variation in form, size, and anatomical structure of native plants grown under different conditions, relatively little attention has been given to similar studies of crop plants. As far as we are able to ascertain, no investigations have been made of variation in the leaves of cereal crops grown under widely different, measured environments.
During the past few years (1920-23), in connection with studies on the development and activities of the roots of crop plants (Weaver, Jean, and Crist, 1922), plant production as a measure of environment (Weaver, 1924), …
Circular No. 48 - Rural Credits In Utah, E. B. Brossard
Circular No. 48 - Rural Credits In Utah, E. B. Brossard
UAES Circulars
The subject of rural credits is of interest to farmers, bankers, investors, and all others concerned about public welfare. This circular is written for the purpose of giving general information about agricultural credit conditions existing at the present time, with special reference to mortgage credit in Utah and the Federal Farm Loan System as now amended. The passage of the Federal Intermediate Credits Act, approved March 4, 1923 makes this an opportune time to check up on the situation.
Bulletin No. 186 - Irrigation Experiments With Sugar Beets, F. S. Harris, D. W. Pittman
Bulletin No. 186 - Irrigation Experiments With Sugar Beets, F. S. Harris, D. W. Pittman
UAES Bulletins
A previous bulletin of this station gives the results of an experiment on the irrigation of sugar-beets continuing for five years. Since this experiment was deemed of sufficient importance to merit our best attention and since the climatic conditions which largely determine what is the best irrigation practice may not for so short a period properly represent the average of the community, it was thought advisable to continue the experiment, with certain modifications, for an additional five years. This bulletin reports the results of these last 5-years' work together with such general conclusions as can be drawn from the entire …
Bulletin No. 187 - Irrigation Experiments With Potatoes, F. S. Harris, D. W. Pittman
Bulletin No. 187 - Irrigation Experiments With Potatoes, F. S. Harris, D. W. Pittman
UAES Bulletins
In a previous bulletin of this station are given the results of an experiment on different irrigation treatments of potatoes continued for five years. In view of the importance of the potato crop and of the importance of having it properly irrigated it was considered advisable to continue the experiment, with certain modifications based on experience, for a further period of five years. This total period of ten years should include most of the climatic variations which are common in this locality, and by eliminating the more unsatisfactory irrigation systems a closer approximation to the best system should be found. …
Bulletin No. 185 - The Influence Of Nitrogen In Soil On Azofication, J. E. Greaves, D. H. Nelson
Bulletin No. 185 - The Influence Of Nitrogen In Soil On Azofication, J. E. Greaves, D. H. Nelson
UAES Bulletins
Many soils of the arid west have a rich active azofying flora. This is due in no small measure to their composition. They are high in calcium and magnesium carbonate and contain a good supply of available phosphorus and potassium but have a low nitrogen content. They are poor in organic carbon; hence, their native supply of energy is limited. It is well-known that a liberal supply of rapidly decaying organic matter is beneficial, and this is being supplied to some soils in the form of manures. This will increase the nitrogen content of the soil. What effect will this …
Bulletin No. 184 - A Farm-Management Study Of The Great Salt Lake Valley, George Stewart
Bulletin No. 184 - A Farm-Management Study Of The Great Salt Lake Valley, George Stewart
UAES Bulletins
This survey had for its purpose the study of farm organization in Great Salt Lake Valley. It is hoped that some conclusions may have been reached as to how to improve farming conditions. The records were taken during the summer of 1915 and consequently represent the farm business for 1914. Ordinarily the period of time that has elapsed since the records were taken would be too long to justify their being published. In view of the fact, however, that the World War began in 1914 and that its effects on the prices of farm products lasted until 1921, it is …
Bulletin 115 - The Value Of Windmills For Pumping Water In Western Australia, A. H. Scott
Bulletin 115 - The Value Of Windmills For Pumping Water In Western Australia, A. H. Scott
Bulletins 1 - 2999
It is surprising to note the dearth of up-to-date reliable information dealing with actual results of modern windmills, under working conditions, though literature on thousands of other subjects less important can usually be obtained.
In this bulletin there is presented a complete and accurate record of the amount of water pumped daily by a windmill, under actual working conditions, for a period of 14 months.
Bulletin 111 - Standard Wheat Varieties For The W. A. Wheat Belt, Geo L. Sutton, F. Vanzetti
Bulletin 111 - Standard Wheat Varieties For The W. A. Wheat Belt, Geo L. Sutton, F. Vanzetti
Bulletins 1 - 2999
Graded selected Pedigree seed is produced at the Chapman and Merredin Experiment Farms.
Bulletin 105 - Pedigree Selection Of Seed At The Chapman And Merredin Experiment Farms, Geo L. Sutton
Bulletin 105 - Pedigree Selection Of Seed At The Chapman And Merredin Experiment Farms, Geo L. Sutton
Bulletins 1 - 2999
A Paper read before the Royal Society of the Royal Society of Western Australia, 12th October,1921.
"Pedigree" or "Pure Line" selection is that system of selection under which the choice is made, not. solely because of the attractive appearance of the plant, but because of its ability to transmit its good qualities to the progeny. Such a system requires, and the method of selection ensures, that the qualities sought after shall be hereditary. For this purpose a record of ancestry is essential, hence the use of the term "pedigree."
Pericarp Studies In Maize. I. The Inheritance Of Pericarp Colors, E. G. Anderson, R. A. Emerson
Pericarp Studies In Maize. I. The Inheritance Of Pericarp Colors, E. G. Anderson, R. A. Emerson
Department of Agronomy and Horticulture: Faculty Publications
Introduction ... 466
Nomenclature ... 467
Pigments present in colored pericarp ... 467
Factor relations of pericarp colors ... 468
Factor relations of red pericarp, P ... 468
Factor relations of cherry pericarp ... 471
Discussion and Summary ... 474
Literature Cited ... 475
Bulletin No. 183 - Water-Holding Capacity Of Irrigated Soils, Orson W. Israelsen, Frank L. West
Bulletin No. 183 - Water-Holding Capacity Of Irrigated Soils, Orson W. Israelsen, Frank L. West
UAES Bulletins
All information that will 'enable the irrigator to use water economically is valuable to arid-climate agriculture. In many arid-climate regions, including the western part of the United States, excessive waste of water occurs in the irrigation of highland porous soil areas, as a result of lack of information concerning the capacity of the soil to hold water. Following the waste of water on the uplands by excessive percolation through open soils, vast lowland areas are rendered partially or wholly nonproductive by water-logging. To illustrate, a gravelly bench soil four feet deep, if underlain by a coarse open gravel to a …
Bulletin No. 178 - The Irrigation Of Barley, F. S. Harris, D. W. Pittman
Bulletin No. 178 - The Irrigation Of Barley, F. S. Harris, D. W. Pittman
UAES Bulletins
The proper use of irrigation water is one of the most important problems of every comnunity and of every farmer in an irrigated district. The irrigation farmer has largely under his control one of the most important factors in determining the yield and quality of his crops and one over which all other farmers have little control at all. On the other hand, in an arid district there is generally less available irrigation water than is needed to give the optimum amount to all the land, or if one region receives an excess there is generally an accumulation of alkali …