Volume 1, Bulletins 1-15. (1) Chemical Nature of the Organic Nitrogen in the Soil; (2) Some Bacteriological Effects of Liming; (3) Influence of Various Factors on Decomposition of Soil Organic Matter; (4) Bacterial Activities in Frozen Soils; (5)...
Volume 2. Bulletins 16-26. (16) Chemical Changes During Silage Formation; (17) Determination of Ammonia in Soils; (18) Sulfofication in Soils; (19) Bacteriological Studies on the Coagulation of Evaporated Milk; (20) Bacteriological studies on Two...
Volume 3, Bulletins 27-43. (27) Studies on the Formation of Gas in Milk; (28) Studies on the Clarification of Milk; (29) Studies on the Numbers of Bacteria in Milk Showing Various Changes; (30) Inheritance of Color and Horns in Blue-Gray Cattle;...
Volume 4, Bulletins 44-60. (44) Effects of Certain Alkali Salts on Ammonification; (45) Soil Inoculation with Azotobacter; (46) Composition and Digestibility of Sudan Grass Hay; (47) Studies on the Clarification of Milk--II; (48) Milk As the Sole...
Volume 5, Bulletins 61-79. (61) Study of Lactose-Fermenting Yeasts Present in ""Yeasty"" Cream; (62) Comparative Resistance of Varieties of Oats to Crown and Stem Rusts; (63) Volatile Acid Production of S. Lacticus and the Organisms Associated...
Volume 6, Bulletins 80-88. (80) Volatile Acids Produced by Starters and by Organisms Isolated from Them; (81) Studies on Streptococcus Paracitrovorus Group; (82) Transmissibility and Pathological Effects of the Mosaic Disease; (83) Raising Orphan...
Volume 7, Bulletins 89-101. (89) Partial Correlation Analysis of Farm Organization and Management Data from Warren Country, Iowa; (90) Citric Acid Content of Milk; (91) Certain Physical and Chemical Changes of Grimes Applies During Ripening and...
Volume 8, Bulletins 102-113. (102) Some Statistical Characterizations of the Hog Market; (103) Correlation of Physical Measurements with Egg Production in White Plymouth Rock Hens; (104) Some Effects of Method of Application of Fertilizers on corn...
Volume 9, Bulletins 114-121. (114) Soybean Inoculation Studies; (115) Soggy Breakdown of Apples and Its Control by Storage Temperature; (116) Apple Breeding: A Study of Jonathan Crosses; (117) Bacteriological Studies on Sulfid Spoilage of Canned...
Volume 10, Bulletins 122-132. (122) International Trade in Pork and Pork Products; (123) Proteolysis by Streptococcus Lactis with Special Reference to Butter Cultures and Butter; (124) Infection Studies of Diplodia zeae (Schw.) Lev. And Control of...
Volume 11, Bulletins 133-145. (133) Inheritance of Color and Horns in Blue-Gray Cattle II; (134) Bacteriology of Butter: I. Influence of the Distribution of the Non-Fatty Constituents on the Changes in Bacterial Content During Holding; (135)...
Volume 12, Bulletins 146-156. (146) Studies on the Development of Butter Cultures from Mixtures of Organisms; (147) Methods for Determining Carbon Dioxide Production in Soils; (148) Some Chemical and Bacteriological Effects of Various Kinds and...
Volume 13, Bulletins 157-166. (157) Winogradsky Spontaneous Culture Method for Determining Certain Soil Deficiencies; (158) Production of Gum by Certain Species of Rhizobium; (159) Bacteriology of Butter: V. Studies on the Microorganisms in...
Volume 14, Bulletins 167-174. (167) Resistance of Dent Corn to Basisporium gallarum Moll.; (168) Pathogenicity, Host Response and Control of Cercospora Leaf-Spot of Sugar Beets; (169) Numbers of Lipolytic Bacteria in Various Dairy Products, as...
Volume 15, Bulletins 175-184. (175) Chemistry of Butter Making: II. The Nature of the Fatty Materials in Buttermilk and the significance of Certain Buttermilk Testing Methods; (176) Physiologic Factors Affecting the Germination of Seed Corn; (177)...
Volume 16, Bulletins 185-191. (185) Effect of Injury in Imitation of Hail Damage on the Development of the Corn Plant; (186) Status of Town and Village Housing in Iowa; (187) Preparation of a Non-Desiccated Sodium Caseinate Sol and its Use in Ice...
Volume 17, Bulletins 192-201. (192) Influences of Rations and Storage on the Physical Characteristics of Eggs; (193) Method of Analyzing the Effectiveness of Local Livestock Marketing Cooperatives in Selling Hogs; (194) External Measure of Egg...
Volume 18, Bulletins 202-209. (202) Inbreeding in the White Leghorn Fowl; (203) Chemical Analyses of Iowa Soils for Phosphorus, Nitrogen and Carbon: a Statistical Study; (204) Genetic Aspects of the Danish System of Progeny--Testing Swine; (205)...
Volume 19, Bulletins 210-221. (210) Effect of Electric Current on Certain Crop Plants; (211) Changes in the Acetylmethylcarbinol Plus Diacetyl Content of Butter; (212) Utilization of Heat from Electric Surface Units by Certain Cooking Utensils;...
Volume 20, Bulletins 222-231. (222) Control of Leafy Spurge, Euphorbia Esula L.; (223) Parasitism of Collectotrichum Lagenarium (Pass.) Ell. And Halst.; (224) Genetics of Resistance to Bacterial Wilt in Maize; (225) Classification of the Organisms...