| 1.
図書 |
図書
|
co-editors, John L. Havlin, Jeffrey S. Jacobsen ; editorial committee, John L. Havlin ... [et al.] ; symposium planning committee, John L. Havlin ... [et al.] ; editor-in-chief, Larry P. Wilding ; managing editor, David M. Kral ; associate editor, Marian K. Viney
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| 2.
図書 |
図書
|
editors, K.J. Boote ... [et al.]
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| 3.
図書 |
図書
|
prepared by Firman E. Bear ... [et al.]
|
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| 4.
図書 |
図書
|
prepared in cooperation with the American Society of Agronomy ; edited by A.G. Norman
|
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| 5.
図書 |
図書
|
editors, R. Lal and P. A. Sanchez ; organizing committee, R. Lal and T.J. Smith ... [et al.]
|
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| 6.
図書 |
図書
|
prepared in cooperation with the American Society of Agronomy ; edited by A.G. Norman
|
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| 7.
図書 |
図書
|
compiled by the Joint Committee on Soil Tilth, American Society of Agronomy [and] American Society of Agricultural Engineers ; Byron T. Shaw, editor
|
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| 8.
雑誌 |
雑誌
|
American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America
|
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| 9.
雑誌 |
雑誌
|
American Society of Agronomy
|
