Research Bulletin (Iowa Agriculture and Home Economics Experiment Station)

Volume 20

Number 222
October 1937
Control of leafy spurge, Euphorbia Esula L.

Number 223
October 1937
The parasitism of Colletotrichum Lagenarium (Pass.) Ell. and HaIst.

Number 224
October 1937
Genetics of resistance to bacterial wilt in maize

Number 225
October 1937
Classification of the organisms important in dairy products II. Pseudomonas fragi

Number 226
November 1937
Design of agronomic experiments for plots differentiated in fertility by past treatments

Number 227
November 1937
Chemistry of butter and butter making IV. The relationships among the cream acidity, the churning loss and the churning time

Number 228
December 1937
Inheritance and correlation of shape, size and color in the watermelon, Citrullus Vulgaris Schrad.

Number 229
January 1938
Influence of environmental factors on the growth of the corn plant under field conditions

Number 230
March 1938
Oxidized flavors in strawberry ice cream

Number 231
March 1938
Some kinematic and dynamic studies of rigid transport wheels for agricultural equipment