Books by George Harlan Dungan

34 books found

Illinois corn performance tests

19351 ed.

Illinois Corn Performance Tests

20181 ed.

Influence of Plant Injury and the Root Rot Diseases upon the Physical and Chemical Composition of Corn Grain

20181 ed.

Illinois Corn Performance Tests: Results for 1936

20181 ed.

Growing field crops

19571 ed.

Improving India's crop production

19571 ed.

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

19261 ed.

Judging crop quality

19501 ed.

Productiveness of certain varieties of corn in Illinois

19271 ed.

Spring barley in Illinois

19421 ed.

Spring oats varieties for Illinois

19421 ed.

Spring wheat

19421 ed.

Varieties of barley for Illinois

19271 ed.

Illinois corn performance tests

19371 ed.

Illinois corn performance tests, 1937

19381 ed.

Illinois corn performance tests

19361 ed.

Illinois corn performance tests, 1938

19391 ed.

Illinois hybrid corn test 1944

19451 ed.

Illinois hybrid corn tests 1945

19461 ed.

Illinois hybrid corn tests 1943

19441 ed.

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