George Harlan Dungan

Improving India's crop product

Improving India's crop production

1957

Judging crop quality

Judging crop quality

1950

Illinois hybrid corn tests, 1946

1947

Illinois hybrid corn test 1944

1945

Illinois hybrid corn tests 1943

1944

Spring barley in Illinois

1942

Illinois corn performance tests, 1938

1939

Developments in hybrid corn production

1938

Illinois corn performance tests, 1937

1938

Varieties of oats for Illinois

1929

Productiveness of certain varieties of corn in Illinois

1927

The influence of plant injury and the root rot diseases upon the physical and chemical composition of corn grain

1926