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Dissertations from 1953
Yield and vegetative and chemical composition of forage crops as affected by soil treatment., John Lawrence Parsons, Agronomy
Dissertations from 1952
A study of the control of the Birch leaf miner, Fenusa pusilla (Lepeletier)., William Wesley Cantelo, Entomology
Studies on the Ephemeroptera. : I. The phylogeny and classification of the Ephemeroptera, with a study of flight mechanics and evolution of their wings. II. The taxonomy and biology of the mayflies of Utah., George Francis Edmunds, Entomology
Factors influencing the need for supplemental irrigation in Massachusetts., Hilal El Sayed Hattab, Agronomy
Continuous vaporization of insecticides., Philip J. Spear, Entomology
Dissertations from 1951
Classification of Chinese Dragonflies of the family Gomphidae (Odanata)., Hsiu-fu Chao, Entomology
Effect of organic matter on the availability of the fixed phosphates in the soil and phosphates in rock phosphate., Joseph David Dalton, Agronomy
A study of the bionomics and control of certain Tabanidae (Diptera)., Nawab Hasan Khan, Entomology
Genetic aspects of DDT resistance in the house fly, Musca domestica L. (Diptera)., Robert James Norton, Entomology
A study of luxury absorption of iron and manganese in insoluble glassy frits by horticultural plants., Carrick E. Wildon, Floriculture
Dissertations from 1950
A study of the uptake of several forms of nitrogen and the effect of iron on the assimilation of nitrogen by Spirodela polyrhiza (L.) Schleid., Ezra Harold Bitcover, Agronomy
Dissertations from 1949
A new method for determining the phosphate fixing capacity of acid soils., Garland Booker Bass, Agronomy
Ecological studies of : I. The book louse, Liposcelis divinatorius (Müll.) II. The granary weevil parasite, Aplastomorpha calandrae (How.)., Mohammed Abdul Ghani, Entomology
Chloroplast pigments in relation to magnesium deficiency., Dale Albert Hinkle, Agronomy
Dissertations from 1948
The comparative morphology of the neck and prothoractic sclerites of the order Coleoptera treated from the standpoint of phylogeny., Robert Earle Evans, Entomology
The relative capacity of plants to utilize potassium from orthoclase feldspar., Cornelius Crawford Lewis, Agronomy
A taxonomic study of the ticks of Pakistan and India together with a study of the external morphology of the tick parasites Hunterellus hookeri Howard and Ixodiphagus texanus Howard., Mohammed Sayeed Quraishi, Entomology
Dissertations from 1946
Some properties of wind blown soils of Massachusetts., Karol Joseph Kucinski, Agronomy
Dissertations from 1945
The effect of solar heat on elm bark beetle infestations in American elm logs., William Bernard Becker, Entomology
Dissertations from 1943
The American cockroach, Periplaneta americana Linnaeus, as a disseminator of some Salmonella bacteria., Arnold Erwin Fischman, Entomology
Comparative morphology and taxonomy of Capniidae (Plecoptera)., John Francis Hanson, Entomology
Dissertations from 1942
An ecological study of certain wireworms with consideration of their control., Walter Michael Kulash, Entomology
Dissertations from 1941
The relation of pollen tube growth and embryo development to fruit setting in McIntosh and Wealthy., Walter Drury Weeks, Pomology
A study of the effectiveness of five soil poisons for termites with special reference to beta naphthol., Frederick Winsor Whittemore, Entomology
Dissertations from 1940
The relative value of copper, chromium, molybdenum, and zinc in nutrient medium for certain seed plants., Howard Robert DeRose, Agronomy
A revision of the grasshoppers of the Acridine Genus Orphylella Giglio-Tos : as known to occur in America north of Mexico (Orthoptera: Acrididae)., Ashley Buell Gurney, Entomology
Action of plant roots in diminished oxygen supply., Benjamin Isgur, Agronomy
Nitrogenous metabolism of tobacco in nutrient solution culture., William James Moore, Agronomy
Fruit juice concentration by the freezing centrifuge method., Lowell Ray Tucker, Pomology
Dissertations from 1939
A study of the biology and feeding habits of an ant : the tropical greenhouse Pheidole, in connection with its control under greenhouse conditions., Frederik J. Spruijt, Entomology
Dissertations from 1938
The physical ecology and control of certain mealybugs in the genera Pseudococcus and Phenacoccus., Miriam Morse Shaw, Entomology
Dissertations from 1937
A chemical and nutritional study of frozen haddock muscle, G. Chapman Crooks, Chemistry
The comparative morphology of the insect pretarsus, Richard T. Holway, Entomology
Dissertations from 1936
Chemical and toxicological studies on red squill, Robert Edward Buck, Horticulture
The comparative morphology of the mouthparts in the order Coleoptera treated from the standpoint of phylogeny, Inez Wilhelmena Williams, Entomology
Dissertations from 1935
Studies on the microbiology of dried foods, John Albert Clague, Bacteriology
Studies on the bacterial content and methods of preventing spoilage of commercial fish, Francis P. Griffiths, Chemistry
Studies in bacterial carbohydrates, William Brooks Hamilton, Bacteriology
The acids of the cranberry, Paul Dwight Isham, Chemistry
Factors influencing the rate of decomposition of different types of plant tissue in soil, and the effect of the products of plant growth, Major Franklin Spaulding, Agronomy
A study of the effect of neutral salts upon the dissociation of benzoic acid by means of the catalytic decomposition of ethyl diazoacetate, Wallace Wyman Stuart, Chemistry
Dissertations from 1934
A further study of the reactions involved in the preparation of Luminal and new related compounds, James John Chap, Chemistry
Nutritive studies on white fish meals, Maurice Mortimer Cleveland, Chemistry
Investigations concerning some factors influencing rhythmic crystallization from aqueous solution, Majel Margaret MacMasters, Chemistry
A study of the energy changes which occur during sorption at the boundary between aqueous sodium oleate solutions and some hydrocarbon oils, Ralph Francis Nickerson, Chemistry
A study of the kinetics of the permanganate-oxalate reaction, Bryan Collins Redmon, Chemistry
The molecular association of certain organic bromides and cyanides - a new feature in the kinetic energy correction in viscometry, Laurence Whipple Spooner, Chemistry
Dissertations from 1933
A study of the economic history of three marginal farm towns in Massachusetts, Mary J. Foley, Agricultural and Food Economics
Dissertations from 1931
The wheat industry in Maryland, Samuel H. DeVault, Agricultural and Food Economics
A measure of some factors affecting the development of the honeybee colony, Clayton Leon Farrar, Entomology
Migration of farm families, Ezra Leonidas Morgan, Sociology
Studies in tropisms and ecology of the bed bug (Cimex lectularius L.), E. Rivnai, Entomology
The pleural and sternal sclerites of the lepidopterous thorax: A contribution to the revision of the genus Pyrgus in America (Lepidoptera, Hesperidae). The effect of hydrogen ion concentration upon the toxicity of nicotine, pyridine, and methylpyrrolidine to mosquito larvae., Harold Henry Shepard, Entomology
Dissertations from 1930
Chemotropic studies of the Japanese beetle (Popillia japonica Newm), E. Avery Richmond, Entomology
Studies in the Genus Pepsis: (Hymenoptera: Psammocharidae), Kenneth A. Salman, Entomology
Morphological and ecological studies of the Mexican bean beetle, Harvey Leroy Sweetman, Entomology
Dissertations from 1929
A study of the results of crossing varieties of apples, C. C. Vincent, Pomology
Dissertations from 1928
The genotypes of the North American Hadeninae, Harrison Morton Tietz, Entomology
Dissertations from 1926
Physiological studies in cellulose fermentation, J. Raymond Sanborn, Microbiology
Dissertations from 1923
Availability of nitrogen in some organic vegetable substances, Paul Serex, Chemistry
Dissertations from 1922
Discoloration in canned lobsters, E. G. Hood, Bacteriology
Studies in lactic acid fermentation, James M. Neill, Bacteriology
Dissertations from 1921
American species of the genus Sceliphron klug: the Spruce Gall louse (Chermes abietis L.) ; the host of Ablerus clisiocampae Ashmead, Bennet A. Porter, Entomology
Dissertations from 1917
A study of the sulphur supply of soils and its relation to plant growth, J. Stanley Cobb, Agronomy
Dissertations from 1916
Mosaic disease of tobacco, George H. Chapman, Horticulture
The relation of ammonium sulfate to acidity and toxicity of soils, Rudolf William Ruprecht, Chemistry
Dissertations from 1915
Contribution to the chemistry of oils and fats with particular reference to butter fat, Edward Bertram Holland, Chemistry
Notes on the morphology of the nervous system of the Carolina Locust, Dissosteira carolina L. [and] North American species of the Genus Sceliphron, John C. Hutson, Entomology
On the male species of the genus amblyteles found in New England, James F. Martin, Entomology
Sarcophagidae of New England: Genus Sarcophaga , Ralph R. Parker, Entomology
An introduction to the subfamily psammocharinae, William S. Regan, Entomology
Dissertations from 1914
On some genera of the pimpline ichneumonidae, J. H. Merrill, Entomology
Trypetidae of New England, Frank L. Thomas, Entomology
Dissertations from 1911
The genera of diaspinae of North America and the genus lepidosaphes, John N. Summers, Entomology
Dissertations from 1901
An application of the conductivity and freezing point methods for the determination of the molecular weights of electrolytes, S. Francis Howard, Chemistry