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- Buckman, Harry Oliver, 1883- (5)
- Lyon, T. Lyttleton (Thomas Lyttleton), 1869-1938 (5)
- Mayer, Adolf, 1843-1942 (5)
- Russell, Edward J. (Edward John), Sir, 1872-1965 (5)
- Food and Agriculture Organization of the United Nations (4)
- Hall, Daniel, Sir, 1864-1942 (4)
- Wiley, Harvey Washington, 1844-1930 (4)
- Percival, John, 1863-1949 (3)
- 吉村, 清尚(1870-) (3)
- 大後, 美保(1910-) (3)
- 川村, 一水 (3)
- 川瀬, 惣次郎 (3)
- 松木, 五楼 (3)
- 農林水産省農林水産技術会議事務局 (3)
- 鈴木, 清太郎(1886-) (3)
- Association of Official Agricultural Chemists (U.S.). Committee on Editing Methods of Analysis (2)
- Baver, Leonard David, 1901- (2)
- Bennett, Hugh Hammond, 1881-1960 (2)
- Brady, Nyle C. (2)
- Horwitz, William, 1918- (2)
- International Atomic Energy Agency (2)
- Krynine, Dimitri P. (2)
- Löhnis, Felix, 1874-1930 (2)
- McCall, Arthur Gillett, 1874- (2)
- Millar, C. E. (Charles Ernest), 1885- (2)
- Mitscherlich, Eilhard Alfred, 1874- (2)
- Pli︠u︡snin, I. I. (2)
- Ramann, E. (Emil), 1851-1926 (2)
- Robbins, Wilfred William, 1884-1952 (2)
- Robinson, Gilbert Wooding, 1888- (2)
- Stewart, B. A. (Bobby Alton), 1932- (2)
- Turk, L. M. (Lloyd Mildon), 1906- (2)
- Waksman, Selman A. (Selman Abraham), 1888-1973 (2)
- 堀, 準爾 (2)
- 愛知県農林部農業改良課 (2)
- 日本土壌肥料学会 (2)
- 日本農業研究所 (2)
- 有機質肥料生物活性利用技術研究組合 (2)
- 東北農業研究センター (2)
- 森, 要太郎 (2)
- 船津, 常吉 (2)
- 農林水産省農業環境技術研究所 (2)
- 郭, 文鑠 (2)
- 高崎, 巻 (2)
- African Association for Biological Nitrogen Fixation. Conference (1)
- Aitchison, G. D. (1)
- Akademii︠a︡ nauk SSSR (1)
- Allen, O. N. (1)
- Althouse, Paul M. (1)
- American Chemical Society (1)
- American Society of Agricultural Engineers (1)
- American Society of Agronomy (1)
- Association of Official Agricultural Chemists (U.S.) (1)
- Association of Official Analytical Chemists (1)
- Balashev, L. L. (1)
- Baren, Ferdinand Alexander van (1)
- Barger, Gerald L. (1)
- Barker, Percy B. (1)
- Bay-Petersen, Jan (1)
- Bear, Firman E. (1)
- Bear, Firman E. (Firman Edward), 1884-1967 (1)
- Behrens, Walter-Ulrich (1)
- Bejosano-Gloria, Cristina (1)
- Bertrand, Anson Raab (1)
- Blanck, E. (1)
- Blanck, E. (Edwin), 1877-1953 (1)
- Bould, C. (1)
- Broersma, G. (1)
- Buchanan, Robert Earle, 1883- (1)
- Buckman, Harry O. (1)
- Burkett, Charles William, 1873- (1)
- Cameron, Frank K. (Frank Kenneth), 1869-1958 (1)
- Chen, Zueng-San (1)
- Chen, Zueng-Sang (1)
- Chernyak, G. Ya (1)
- Chiu, William T.F. (1)
- Collins, S. Hoare, 1868- (1)
- Colwell, J. D. (1)
- Comber, Norman M. (Norman Mederson), 1888- (1)
- Conn, H. J. (Harold Joel), 1886-1975 (1)
- Conn, H. W. (Herbert William) (1)
- Cooke, G. W. (George William), 1916- (1)
- Cox, Joseph F. (Joseph Frank), 1890- (1)
- Coyle. V. (1)
- Crookes, William, Sir, 1832-1919 (1)
- Crump, Lettice M. (1)
- Cutler, D. Ward (1)
- Davitai︠a︡, F. F. (Feofan Farneevich), 1911-1979 (1)
- Denisov, Igor' Aleksandrovič (1)
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- Dobrovol・skiĭ, V.V. (1)
- Dokuchaeva, V. V. (1)
- Doolittle, Russell F. (1)
- Dutcher, Raymond Adams (1)
- Ealand, C. A. (1)
- Easterwood, Henry W. (1)
- Elliott, Charles Gleason (1)
- Emerson. P. (1)
- Essington, Michael E. (1)
- Fippin, Elmer Otterbein, 1879-1949 (1)
- no value (8)