Volume 23 (1929)

Number 265
High yielding strains and varieties of corn for Iowa

Number 266
The management of peat and alkali soils in Iowa

Number 267
Creamery organization and construction

Number 268
Cropping systems in Iowa past and present

Number 269
Field experiments with fertilizers on some Iowa soils

Number 270
The livestock system in Iowa County

Number 271
Relative efficiency of calves, yearlings and two-year-old steers for the producer

Number 272
Influence of the animal's age upon the quality and palatability of beef

Number 273
Soft ear corn silage for swine

Number 274
Harvesting cornstalks for industrial uses