Libros de field experiments

Results of rice experiments in 1922

Experiments with wheat

Field experiments, 1906-8

Illinois hybrid corn tests 1945

Bees in relation to fruit

Experiments in rice production in southwestern Louisiana

Agricultural investigations at the United States Field Station, Sacaton, Ariz., 1931-35

Crop rotation, tillage, and fertility experiments at the Lawton (Okla.) Field Station, 1917-49

Field plot technique

Experiments in crop production on fallow land at San Antonio

Portable refrigeration chambers for studying cold resistance of plants in the field

Experiments with udo, the new Japanese vegetable

Soil treatments for winter wheat

Agricultural investigations at the United States Field Station, Sacaton, Ariz., 1925-1930

Performance of commercial soybeans in Illinois, 1983

The biology of ensilage

Field experiments with corn, 1889

Analysis of fodder corn

Performance of experimental corn hybrids in Illinois, 1959

Plant and soil analyses as guides in potato nutrition