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- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [Nov. 1940, slightly revised Apr. 1947.] [1947.]
- SuDoc number:
- A 1.9:1855/2
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [May 1944, slightly revised Nov. 1946.] [1946.]
- SuDoc number:
- A 1.9:1951/2
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [Sept. 1946.]
- SuDoc number:
- A 1.9:1978
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [May 1927, revised July 1946.] [1946.]
- SuDoc number:
- A 1.9:1526/6
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [Sept. 1934, revised Aug. 1945, slightly revised May 1946.] [1946.]
- SuDoc number:
- A 1.9:1731/3
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [May 1946.]
- SuDoc number:
- A 1.9:1977
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [Aug. 1945, slightly revised May 1946.] [1946.]
- SuDoc number:
- A 1.9:1972/2
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [Jan. 1940, slightly revised Apr. 1946.] [1946.]
- SuDoc number:
- A 1.9:1832/4
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [Feb. 1927, revised Nov. 1940, reprint with changes 1946.]
- SuDoc number:
- A 1.9:1522/2-2
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau, Agricultural Research Administration, and Agriculture Department
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- [Nov. 1940, revised Jan. 1946] [1946.]
- SuDoc number:
- A 1.9:1852/3