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Articles 245791 - 245820 of 256867
Full-Text Articles in Entire DC Network
The Effect Of 2 Soil Fertility Levels On 5 Potato Varieties In Relation To Yield, Specific Gravity And Chipping Quality, Gayland D. Robison
The Effect Of 2 Soil Fertility Levels On 5 Potato Varieties In Relation To Yield, Specific Gravity And Chipping Quality, Gayland D. Robison
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The potato enterprise is important in Utah as it provides a cash crop and also a means of diversifying and intensifying the operations on many irrigated farms. It is of particular value in the sections of the state that have a short growing season where other crops cannot feasibly be produced. The potato chip industry supplies a demand for large quantities of potatoes. The usage by this industry makes it a major factor in potato farming economy.
The making of chips originated over a hundred years ago as the result of an accident. A silver of potato fell into a …
The Effect Of Soil Moisture And Fertilizers On Seed Germination, Stephen Dubetz
The Effect Of Soil Moisture And Fertilizers On Seed Germination, Stephen Dubetz
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Failure of viable seeds to germinate results in poor stands and often in lower yields. Some of the more important factors that affect germination of seed are temperature, moisture, aeration, and alkalinity.
Planting of speciality crops under irrigation in southern Alberta, Canada, usually is done when temperature is favourable to germination. However, soil moisture, especially in the seed zone, may not always be adequate - a situation brought about, in part, by the strong winds that prevail in this area. Results at the Experimental Farm, Lethbridge, Alberta, show that irrigated crops respond to phosphorus and nitrogen. During the past six …
Linkage And Inheritance Studies In Barley (Hordeum), Robert E. Heiner
Linkage And Inheritance Studies In Barley (Hordeum), Robert E. Heiner
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Barley has had wide acceptance not only as a cultivated crop but also as an excellent source of genetic material. Barley was being used in inheritance studies by Tschermak when he rediscovered Mendel's laws of heredity. Since then barley has become one of the most widely used plants for genetic studies known today.
More than 100 characters have been investigated indicating the relative ease of classification. There are 7 linkage groups corresponding to the 7 chromosomes in which 2 or more characters have been located as reported by Robertson (1939). But Kramer, Veyl, and Hanson (1954), from translocation experiments, suggest …
A Critical Appraisal Of Methods Of Sucrose Analysis In Sugar Beets, Homer M. Lebaron
A Critical Appraisal Of Methods Of Sucrose Analysis In Sugar Beets, Homer M. Lebaron
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Although the parent of the present sugar beet was probably known and used before the building of the pyramid of Cheops (22), it was as recent as 210 years ago that Marggraf obtained the first crystalized sucrose from the root. It was 40 years later before Achard claimed its potentialities as an efficient industry. The product rapidly passed from the status of a luxury to a vital necessity, until today sugar beet production receives some protection or preference in every country where sugar beets are grown.
Absorption Of C14 Labeled Sucrose By Nectaries, Cecil Wright Lefevre
Absorption Of C14 Labeled Sucrose By Nectaries, Cecil Wright Lefevre
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Since the early Eighteenth Century the significance of nectar secretion has been debated. Some have reasoned that it is reabsorbed into the plant and used as energy for the developing embryo while others believe it is a waste product which attracts pollinating insects.
It has been suggested (Brink and Cooper, 1947) that the nutrient supply to developing ovules is a major factor in the development of seed. Also, alfalfa fields pollinated by pollen-collecting bees produce greater seed yields than those pollinated by nectar collectors (Bohart, Nye, and Levin, 1955). It is a well-known fact that more flowers are tripped by …
Some Chemical Properties Of The Profiles Of Two Soil Series As Shown By Horizons And By Increments, Verle Q. Hale
Some Chemical Properties Of The Profiles Of Two Soil Series As Shown By Horizons And By Increments, Verle Q. Hale
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Soil classification in this country is based on the system proposed by Marbut in 1920 (2). This system uses eight criteria, one of which is the chemical composition of the soil horizons. Workers in the field of soil survey are depending more and more upon laboratory data to characterize and differentiate soils not only at the series level but also at higher levels of classification where it may be necessary to establish the presence or absence of critical horizons or characteristics. This was predicted by Robinson (16) when he said that laboratory analysis is needed to give "precise physical meaning …
The Effect Of Certain Fluoride Sprays In The Production Of Soft Suture On Peaches, N. V. Narayanamoorthy
The Effect Of Certain Fluoride Sprays In The Production Of Soft Suture On Peaches, N. V. Narayanamoorthy
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Pollution of the atmosphere and its potential deleterious effects on health, industry, agriculture and natural resources are causing grave concern in many parts of the world. In the past century there has developed in the fields embraced by physical and biological sciences a considerable knowledge of theoretical and applied information, serving as a versatile tool in combating such problems. Air pollution problems seem to have gained much attention with the rapid development of various industries in major parts of the world. Rural and urban areas adjoining these industrial locales are confronted with the dangerous overall problems of air pollution. Evidently, …
The Effects Of Various Nitrogen And Moisture Levels On The Production Of Silage Corn, Grain Corn, And Sweet Corn, Donald M. May
The Effects Of Various Nitrogen And Moisture Levels On The Production Of Silage Corn, Grain Corn, And Sweet Corn, Donald M. May
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Many experiments have been conducted measuring the effects of nitrogen rates, moisture, or time of application but few combined all three in one experiment. The object of this investigation is to study the effects and interactions of nitrogen fertilizer, moisture, and time of application on silage corn, grain corn, and sweet com. The effects of these factors should be shown by changes in yield and quality of the crop.
A Study On The Phenotypic Stability Of Selected Eastern Forage Synthetics Grown Under Utah Conditions, Don J. Heinz
A Study On The Phenotypic Stability Of Selected Eastern Forage Synthetics Grown Under Utah Conditions, Don J. Heinz
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The production of forage seed for use in the eastern United States is a large industry in Utah and other Western States. The development or forage synthetics in the east with production or seed in the west raises the questions “Is there a change in the synthetic when seed is produced under different environmental conditions?” To obtain information relating to genetic stability of grass and legume seed crops produced under various environmental conditions, the USDA-ARS Crops Research Division, Forage and Range Research Branch, Foundation Seed Production Section, set up several experimental plots in the western United States. These are located …
Characteristics Of Manila And Related Soil Series, Flayeh H. Altaie
Characteristics Of Manila And Related Soil Series, Flayeh H. Altaie
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
In many parts of the world soils have been found that have apparently been formed under climatic conditions that no longer exist. In many places in northern Utah in areas associated with ancient Lake Bonneville, deep soils, fine-textured and non-calcareous, have been observed immediately above the highest shore line of the ancient lake. These soils have essentially no free carbonates to depths ranging from 4 to 15 feet, even though they exist on relatively steep slopes. In Davis and Utah Counties, soils having these characteristics have been given the tentative series name, Manila.
Soils studied for this thesis include one …
Claytonia Virginica L., J. Reed
Many Blue Herons In Area, Jessie Maye Smith
Many Blue Herons In Area, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
A Study Of Three Photochemical Activities Of Chloroplasts, Jimmy W. Hinkson
A Study Of Three Photochemical Activities Of Chloroplasts, Jimmy W. Hinkson
Theses and Dissertations
Chloroplasts of sugar beet leaves were subjected to treatment by heating, by incubation at pH 8.5 and pH 5.5, by incubation in ion low water, by sonic oscillation, by digestion with enzymes (lysozyme, pancreatin, and lipase), by extraction with digitonin, and by chemical compounds including 8-hydroxy-quinoline, sodium azide, zinc sulfate, phenyl mercuric acetate, potassium cyanide, 1-allylthiourea, 2,4-dinitrophenol, thymol, and p-chloromercuribenzoate. A comparative study was made of the effects of these treatments upon three photochemical reactions (the photoreduction of 2,6- dichlorophenol indophenol, the photoreduction of indigo carmine in the presence of a couple composed of 2,6-dichlorophenol indophenol and ascorbic acid, and …
The Seventieth Session Of The Iowa Academy Of Science And The Twenty-Fifth Convention Of The Iowa Junior Academy Of Science, April 18, 1958, Iowa Academy Of Science
The Seventieth Session Of The Iowa Academy Of Science And The Twenty-Fifth Convention Of The Iowa Junior Academy Of Science, April 18, 1958, Iowa Academy Of Science
Iowa Academy of Science Documents
No abstract provided.
Letter From J. W. Seabrook, President Emeritus State Teacher's College, To W. T. Johnson, J. W. Seabrook
Letter From J. W. Seabrook, President Emeritus State Teacher's College, To W. T. Johnson, J. W. Seabrook
Documents
Letter from J. W. Seabrook, President Emeritus State Teacher's College, to W. T. Johnson, sending in statement for S. B. Simmons camp program. Statement for souvenir program.
Letter From G. H. Ferguson, Director Of The Division Of Negro Education, State Department Of Public Instruction, To W. T. Johnson, G. H. Ferguson
Letter From G. H. Ferguson, Director Of The Division Of Negro Education, State Department Of Public Instruction, To W. T. Johnson, G. H. Ferguson
Documents
Letter from G. H. Ferguson, Director of the Division of Negro Education, State Department of Public Instruction, to W. T. Johnson, sending in statement on life of S. B. Simmons for camp opening. Statement on life of S. B. Simmons.
Montia Perfoliata (Donn Ex Willd.) T.J. Howell, D. C. Walrod
Montia Perfoliata (Donn Ex Willd.) T.J. Howell, D. C. Walrod
Specimens by Name
No abstract provided.
Letter From Charles F. Carroll, North Carolina State Supervisor Of Public Instruction, To W. T. Johnson, Charles F. Carroll
Letter From Charles F. Carroll, North Carolina State Supervisor Of Public Instruction, To W. T. Johnson, Charles F. Carroll
Documents
Letter from Charles F. Carroll, North Carolina State Supervisor of Public Instruction, to W. T. Johnson to W. T. Johnson, sending in statement for opening of S. B. Simmons camp. Statement on S. B. Simmons' life for camp program.
Life, Adventure, Death Visit Birds, Jessie Maye Smith
Life, Adventure, Death Visit Birds, Jessie Maye Smith
Jessie Maye Smith Birds and Watchers Columns Collection
No abstract provided.
Letter From T. E. Browne, Former State Director Of Agricultural Education, To W. T. Johnson, T. E. Browne
Letter From T. E. Browne, Former State Director Of Agricultural Education, To W. T. Johnson, T. E. Browne
Documents
Letter from T. E. Browne, Former State Director of Agricultural Education, to W. T. Johnson, sending in statement for opening of S. B. Simmons Camp. Note for souvenir program.
Letter From Harold L. Trigg, North Carolina Board Of Education, To Mr. Johnson, Harold L. Trigg
Letter From Harold L. Trigg, North Carolina Board Of Education, To Mr. Johnson, Harold L. Trigg
Documents
Letter from Harold L. Trigg, North Carolina Board of Education, to Mr. Johnson, praising S. B. Simmons camp. Note for souvenir program.
Letter From F. A. Williams, Dean Of Graduate School At North Carolina Agricultural & Technical State University, To W. T. Johnson, F. A. Williams
Letter From F. A. Williams, Dean Of Graduate School At North Carolina Agricultural & Technical State University, To W. T. Johnson, F. A. Williams
Documents
Letter from F. A. Williams, Dean of Graduate School at North Carolina Agricultural & Technical State University, to W. T. Johnson, sending in statement for dedication of S. B. Simmons camp. Note for souvenir program.
Letter From L. C. Dowdy, Dean Of School Of Education And General Studies At North Carolina Agricultural & Technical State University, L. C. Dowdy
Documents
Letter from L. C. Dowdy, Dean of School of Education and General Studies at North Carolina Agricultural & Technical State University, sending in statement for S. B. Simmons camp dedication. Note stating to keep the statement.
Letter From T. G. Walter, Georgia State Supervisor Of Agricultural Education, To W. T. Johnson, T. G. Walter
Letter From T. G. Walter, Georgia State Supervisor Of Agricultural Education, To W. T. Johnson, T. G. Walter
Documents
Letter from T. G. Walter, Georgia State Supervisor of Agricultural Education , to W. T. Johnson, concerning opening of S. B. Simmons camp. Note for souvenir program.
Letter From J. H. Brockett, Acting President Of Livingstone College, To W. T. Johnson, J. H. Brockett
Letter From J. H. Brockett, Acting President Of Livingstone College, To W. T. Johnson, J. H. Brockett
Documents
Letter from J. H. Brockett, Acting President of Livingstone College, to W. T. Johnson, sending in statement for NFA camp dedication. Statement for souvenir program.
Letter From Claude C. Marion, State Advisor, Maryland Association Of New Farmers Of America, Claude C. Marion
Letter From Claude C. Marion, State Advisor, Maryland Association Of New Farmers Of America, Claude C. Marion
Documents
Letter from Claude C. Marion, State Advisor, Maryland Association of New Farmers of America, concerning opening of S. B. Simmons camp. Note for souvenir program.
Whole Issue Nebraska Bird Review (Apr 1958) 26(2)
Whole Issue Nebraska Bird Review (Apr 1958) 26(2)
Nebraska Bird Review
TABLE OF CONTENTS
Yellow Warblers at the Nest ....................18
1957 Nesting Report ....................20
A Study of Bird Habitats in Alliance City Park.................... 22
General Notes ....................26
Excerpts From Letters ....................29
Treasurer's Report for the Year 1957 ....................30
Behavior Notes.................... 31
Second Annual Winter Convention ....................32
The Ants Of Dallas County, Texas, And Their Nesting Sites; With Particular Reference To Soil Texture As An Ecological Factor, Charles G. Hess
The Ants Of Dallas County, Texas, And Their Nesting Sites; With Particular Reference To Soil Texture As An Ecological Factor, Charles G. Hess
Field and Laboratory
On the ants of any particular area of Texas, virtually no papers have been published, which attempt to examine the relationships of the species to certain ecological factors. The main reasons for this, perhaps, have been the absorption of our myrmecologists in adequate identification and description of the American forms, and the difficulties involved therein. In the past few years, the foundations of our taxonomic entities have been strengthened, and such studies have come to be more appreciated. This paper deals with the ants of Dallas County, Texas, and their nesting sites, with special reference to soil as an ecological …
Louisiana Agriculture Magazine, Spring 1958, Lsu Agricultural Experiment Station
Louisiana Agriculture Magazine, Spring 1958, Lsu Agricultural Experiment Station
Louisiana Agriculture
No abstract provided.
Letter From J. A. Oliver, Agricultural Department, Maryland State College, To W. T. Johnson, J. A. Oliver
Letter From J. A. Oliver, Agricultural Department, Maryland State College, To W. T. Johnson, J. A. Oliver
Documents
Letter from J. A. Oliver, Agricultural Department, Maryland State College, to W. T. Johnson, concerning his previous association with S. B. Simmons and congratulating Johnson on the opening of the S. B. Simmons camp. Note for souvenir program.