Volume 25, Bulletins 281-303. (281) Analysis of Lattice and Triple Lattice Experiments in Corn Varietal Tests: I. Construction and Numerical Analysis, II. Mathematical Theory; (282) Performance of Electric Roasters; (283) Bacteriology of Cheese:...
Volume 27, Bulletins 321-345. (321) Proper Size and Location of Corn Stabilization Stocks; (322) Some Farm Family Gardens Pay in Dollars; (323) Cost, Distribution and Utilization of Farm Machinery in Iowa; (324) Adjusting Crop Acreages for War...
Volume 33, Bulletins 448-488. (448) Management Aspects of School Lunch Programs in Iowa; (449) Optimum Farm Plans for Beginning Tenant Farmers on Clarion-Webster Soils (An Application of Linear Programming); (450) Farm Planning for Maximum Profits...
Volume 32, Bulletins 413-447. (413) What Does the Iowa Farmer Want from Radio Market News?; (414) Estimate of the Volume of Farm Dwelling Construction in Iowa; (415) Retail Lumber Establishment and Farm Dwelling Construction in Iowa; (416) Farm...
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 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...
Farm Equipment; Agriculture; Iowa State University;
A four-row corn planter being pulled by a steel-wheeled tractor. A driver is at the wheel of the tractor. Buildings can be seen across a road in the distance. The photograph was taken April 27, 1931.
Farm Equipment; Agriculture; Iowa State University;
A four-row corn planter with front and rear components mounted on a steel-wheeled tractor. The photograph is from the front. The rear edge of the plowed field is directly behind the tractor. Along this boundary runs a line of conifer trees. A...
Farm Equipment; Agriculture; Iowa State University;
A four-row corn planter being pulled by a steel-wheeled tractor. The photograph is from the rear. A man in coveralls and a hat is driving the tractor. The photograph was taken April 27, 1931.
Farm Equipment; Agriculture; Iowa State University;
A four-row corn planter being pulled by a steel-wheeled tractor. The photograph is a close up of the part of the equipment which mounts on the front of the tractor. The photograph was taken April 27, 1931.
