Research Bulletin (Iowa Agriculture and Home Economics Experiment Station)

Volume 12

Number 146
December 1931
Studies on the development of butter cultures from mixtures of organisms

Number 147
January 1932
Methods for determining Carbon dioxide production in soils

Number 148
February 1932
Some chemical and bacteriological effects of various kinds and amounts of lime on certain southern Iowa soils

Number 149
February 1932
The pathogenicity of Fusarium niveum (EFS.) and the development of wilt resistant strains of Citrullus vulgaris (Schrad.)

Number 150
February 1932
Length and floor construction of dairy stalls

Number 151
April 1932
Studies on the changes in nectar concentration produced by the honeybee, Apis mellifera Part I. Changes which occur between the flower and the hive

Number 152
October 1932
Factors influencing egg production Ill. The association of the date of hatch with date of first egg, sexual maturity and egg production in S. C. White Leghorns

Number 153
December 1932
Selection for resistance to fowl typhoid in the chicken with reference to its inheritance

Number 154
November 1932
Normal growth in dairy cattle

Number 155
January 1933
The relationship of Acetylmethylcarbinol and Diacetyl to butter cultures

Number 156
January 1933
An economic analysis of farm mortgages in Story County, Iowa, 1854-1931