This community contains the theses and dissertations of the South Dakota State University, Department of Agronomy, Horticulture, and Plant Science.
Due to copyright restrictions, the collection contains both open access and university access theses and dissertations. University access items are only available to SDSU users, and on-campus visitors. Non-SDSU users wishing to access restricted materials may request items through their institution’s interlibrary loan services.
ETDS from 1953
The Nature of Chromatin Changes in Colchicine-induced Variants in Sorghum, Dale D. Harpstead
Early Floral Development in Gaura coccinea, Edward Olson
The Effect of Bicarbonate in Irrigation Waters on the Exchangeable Sodium Status of the Soil, Edward J. Williamson
ETDS from 1952
Plant Color as Related to Reflection of Light, Leaf Temperatures, and Drought Reaction on Barley, Dan Walter Chisholm
Developmental Anatomy and Dehiscence of the Fruit of Astragalus canadensis L., David J. Holden
Emergence of Inbred Lines and Crosses of Corn at Low Temperatures when Harvested at Various Stages of Maturity, Glen Earl Nachtigal
Effect of Nitrogen and Phosphorus Fertilizers Applied to Crops Grown on South Dakota Soils, Daniel Arthur Norgaard
ETDS from 1951
An Investigation of Certain Physical and Chemical Factors Determining the Selection of Oils as Carriers of Herbicides, James D. Stone
ETDS from 1950
Block Diagram Presentation of South Dakota Soil Associations Showing Morphologic, Topographic, and Geologic Relationships, George J. Buntley
Determinations of the Effect of Several Herbicides on Soil Microorganisms, Donald Elmer Kratochvil
The Correlation of Sugar Content to Winter Hardiness in Strawberry Plants, William Lazaruk
ETDS from 1949
Devitalization of Weed and Cereal Seeds by a Radio Frequency Generator, Dwight Lambert
Cytological Observations of the F1 and Two Backcross Generations of T.Vulgare X Agropyron Spp., Donald L. Thompson
ETDS from 1948
Responses of Oats and Barley to 2.4-Dichlorophenoxyacetic Acid (2.4-D), Lyle A. Derscheid
A Study of some Factors Influencing Alfalfa Seed Production, John Harold Miller
The Yielding Ability of Bulked F2 Barley Crosses and Parents in Comparative Yield Trials, Walter Lowell Nelson
ETDS from 1946
Response of Some Perennial Grasses to Fertilizer and Clipping, Ralph Monroe Arms
ETDS from 1942
Studies on the Resistance of Spring Wheat Varieties to Grasshopper, Melanoplus bivittatus (Say), Attack, Erhardt Richard Hehn
ETDS from 1941
A Study of Some Factors Influencing the Nitrate Content of Oat Seedlings, Eugene I. Whitehead
ETDS from 1937
The Effect of Cultivation on Certain Chemical and Physical Properties of Some South Dakota Soils, Oscar E. Olson
Dehiscence of the Fruit of Porulaca Grandiflora, Roland V. Rethke
ETDS from 1936
The Abortion of Essential Organs in the Imperfect Flowers of Benzoin Aestivale, Norris M. Paulson
ETDS from 1934
The Effect of Fertilizer Applications on the Quality and the Quantity of the Oil in Flaxseed, Clarence O. Stockland
ETDS from 1933
The Latex System in the Root of Taraxacum Officinale, Eleanor Kelton Evenson
ETDS from 1932
Anatomical Study of Water Shoots and Ordinary Twigs, Dorothea I. Bingham
The Development of the Floral Organs of Glycyrrhiza Lepidota, Richard L. Matteson
Farm Mortgage Experience of Life Insurance Companies Lending in South Dakota, Harry Allan Steele
ETDS from 1931
Greenhouse Studies on the Relationship of Age of Wheat Plants to Infection by Puccinia Graminis Tritici, George W. Eade
The Effect of a Varying Moisture Supply at Different Periods of Growth on the Development, Yield and Quality of Flax, William K. Soule
ETDS from 1930
The Anatomy of the Germinating Bulbil of Lilium Tigrinum, Katherine Harris Tripp
Abortive Stamens and Carpels in Lychnis Alba, Gus B. Ulvin
ETDS from 1929
A Contribution on the Staminate Flower of Cucumis Sativus, Kenneth W. Simons
The Effect of Treatment With Ethylene Chlorhydrin Upon the Respiration of Sweet Potatoes (Ipomea Batatas), Leon J. Tyler
ETDS from 1928
The Origin of Adventitious Roots In Coleus, Ethel Belk
ETDS from 1927
The Ontogeny of the Vascular Elements in Zea Mays, George L. Cross
A Consideration of Methods of Securing Historical Price and Production Data and a Survey of Their Relationship for South Dakota, Owen L. Dawson
The Introduced Plants of South Dakota, William Houk
The Effect of Treatment With Ethylene Chlorhydrin Gas Upon the Respiration of Dormant Potato Tubers, Leon M. Pultz
A Study of Pollen, Sterility, and Blossoming Dates of Plum Varieties in the Experimental Nursery at South Dakota State College During the Spring of 1926, Russell W. Vance
ETDS from 1926
ETDS from 1925
Quantitative Determination of the Elements in the Nodes and Internodes of Normal and Abnormal Corn Plants, Percy Danielson
ETDS from 1923
The General Cytology of the Aecium of Dicaeoma Distichlidis, Lynn D. Hutton
ETDS from 1922
A Chemical and Morphological Study of Nicandra Physalodes (L) Pers., Anton Hogstad
ETDS from 1919
The Indians and the Agriculture of Crow Creek Indian Reservation, Thomas J. Jackson
ETDS from 1893
A Study of the Forage Plants of South Dakota with Their Fungous and Insect Enemies, David Griffiths