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History, 1919-1961

International Crop Improvement Association, J. C. Hackleman · Yayınevi bilinmiyor

72 sayfa · 1961

Agriculture

A History of Seed Certification in the United States and Canada

J. C. Hackleman · Yayınevi bilinmiyor

120 sayfa · 1990

Seeds

Corn Growers Face the Worst Seed Shortage in Years

J. C. Hackleman · Yayınevi bilinmiyor

12 sayfa · 1924

Corn

Growing Soybeans in Illinois

J. C. Hackleman · Yayınevi bilinmiyor

24 sayfa · 1922

Soybean

The Hydraulic Ram

George M. Reed, J. C. Hackleman, J. Kelly Wright, Merritt Finley Miller, Missouri. State Highway Department, S. Sheldon, Werner L. Nelson, William C. Davidson · Yayınevi bilinmiyor

538 sayfa · 1912

Agricultural exhibitions

Corn Varieties for Cinch-bug Infested Areas

Wesley Pillsbury Flint, J. C. Hackleman · Yayınevi bilinmiyor

12 sayfa · 1923

Chinch-bugs

CiltCorn Varieties for Chinchbug Infested Areas... by W. P. Flint and J. C. HacklemanJ. C. Hackleman, W. P. Flint

Corn Varieties for Chinchbug Infested Areas... by W. P. Flint and J. C. Hackleman

J. C. Hackleman, W. P. Flint · Yayınevi bilinmiyor

Sayfa sayısı yok · 1923

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CiltEleven Years of Soybean Investigations, by W. L. Burlison, C. A. Van Doren and J. C. HacklemanWilliam Leonidas Burlison, C. A. Van Doren, J. C. Hackleman

Eleven Years of Soybean Investigations, by W. L. Burlison, C. A. Van Doren and J. C. Hackleman

William Leonidas Burlison, C. A. Van Doren, J. C. Hackleman · Yayınevi bilinmiyor

Sayfa sayısı yok · 1940

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CiltHandling the Alfalfa CropMissouri Agricultural Extension Service, J.C. Hackleman

Handling the Alfalfa Crop

Missouri Agricultural Extension Service, J.C. Hackleman · Yayınevi bilinmiyor

Sayfa sayısı yok · 1919

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CiltFive Steps in Pasture ImprovementUniversity of Illinois (Urbana-Champaign campus). Agricultural Experiment Station, J.C. Hackleman, E.D. Walker

Five Steps in Pasture Improvement

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station, J.C. Hackleman, E.D. Walker · Yayınevi bilinmiyor

Sayfa sayısı yok · 1953

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CiltHemp, an Illinois War CropJ. C. Hackleman, W. E. Domingo

Hemp, an Illinois War Crop

J. C. Hackleman, W. E. Domingo · Yayınevi bilinmiyor

8 sayfa · 1943

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CiltHow Use Contracted Acres Under the Wheat and Corn-Hog Reduction ProgramsUniversity of Illinois (Urbana-Champaign campus). Agricultural Experiment Station, C.M. Linsley, J.C. Hackleman

How Use Contracted Acres Under the Wheat and Corn-Hog Reduction Programs

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station, C.M. Linsley, J.C. Hackleman · Yayınevi bilinmiyor

Sayfa sayısı yok · 1934

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CiltEleven Years of Soybean in Vestigations. Varieties. Seeding. StorageW. L.. Burlison, C. A. van Doren, J. C.. Hackleman

Eleven Years of Soybean in Vestigations. Varieties. Seeding. Storage

W. L.. Burlison, C. A. van Doren, J. C.. Hackleman · Yayınevi bilinmiyor

Sayfa sayısı yok · 1940

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Acreage allotmentsHow Use Contracted AcresJ. C. Hackleman, Clyde Maurice Linsley

How Use Contracted Acres

J. C. Hackleman, Clyde Maurice Linsley · Yayınevi bilinmiyor

18 sayfa · 1934

Acreage allotments

CornSelection and Care of Seed CornJ. C. Hackleman

Selection and Care of Seed Corn

J. C. Hackleman · Yayınevi bilinmiyor

16 sayfa · 1912

Corn

WheatSome Factors in Wheat ProductionMerritt Finley Miller, University of Missouri. Agricultural Experiment Station, J. C. Hackleman

Some Factors in Wheat Production

Merritt Finley Miller, University of Missouri. Agricultural Experiment Station, J. C. Hackleman · Yayınevi bilinmiyor

10 sayfa · 1912

Wheat

CiltGrowing Alfalfa in IllinoisUniversity of Illinois (Urbana-Champaign campus). Agricultural Experiment Station, J.C. Hackleman, O.H. Sears, W.L. Burlison

Growing Alfalfa in Illinois

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station, J.C. Hackleman, O.H. Sears, W.L. Burlison · Yayınevi bilinmiyor

Sayfa sayısı yok · 1930

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CornVariety Tests of CornUniversity of Missouri. Agricultural Experiment Station

Variety Tests of Corn

University of Missouri. Agricultural Experiment Station · Yayınevi bilinmiyor

56 sayfa · 1916

Corn

CornStudy of Correlations in Ears of MaizeJ. C. Hackleman

Study of Correlations in Ears of Maize

J. C. Hackleman · Yayınevi bilinmiyor

254 sayfa · 1912

Corn

CiltSoybeans. A War Crop. How to Get Top YieldsJ. C.. Hackleman, W. L.. Burlison

Soybeans. A War Crop. How to Get Top Yields

J. C.. Hackleman, W. L.. Burlison · Yayınevi bilinmiyor

2 sayfa · 1942

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