Author: Agriculture Department / Publish Year Decade: 1920 - 1929 - Blacklight Search Results

Start Over Author Agriculture Department Publish Year Decade 1920 - 1929

1701. Pine tip moths. Four new chalcidoid parasites of pine tip moth, Rhyacionia frustrana (Comstock); by A. B. Gahan.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: 1927
SuDoc number:: A 1.23/a:M 856/7

1702. Pine tip moths. Parasites of pine tip moth, Rhyacionia frustrana (Comstock); by R. A. Cushman.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: 1927
SuDoc number:: A 1.23/a:M 856/6

1703. Pine tip moths. Three new hymenopterous parasites of pine tip moth, Rhyacionia frustrana (Comstock); by R. A. Cushman.

Corporate/Agency Authors:: Entomology Bureau and Agriculture Department
Publisher:: Entomology Bureau
Date:: 1927
SuDoc number:: A 1.23/a:M 856/8

1704. Plant quarantine act, Aug. 20, 1912, as amended Mar. 4, 1913, Mar. 4, 1917, May 31, 1920, and Apr. 13, 1926.

Corporate/Agency Authors:: Federal Horticultural Board and Agriculture Department
Publisher:: Federal Horticultural Board
Date:: [1927.]
SuDoc number:: A 35.2:P 69/1/927

1705. Plants. Effect of absorption by plants on concentration of soil solution; by Carl S. Scofield.

Corporate/Agency Authors:: Plant Industry Bureau and Agriculture Department
Publisher:: Plant Industry Bureau
Date:: 1927
SuDoc number:: A 1.23/a:P 694/18

1706. Plowing. Laying out fields for tractor plowing; [by C. D. Kinsman and L. A. Reynoldson].

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: [May, 1919, revised June, 1926, reprint 1927.]
SuDoc number:: A 1.9:1045/2-2

1707. Polk County, N. C. Soil survey of Polk County, N. C.; by W. D. Lee and S. F. Davidson.

Corporate/Agency Authors:: Soils Bureau and Agriculture Department
Publisher:: Soils Bureau
Date:: 1927
SuDoc number:: A 26.5/a:P 759/4

1708. Polk County, Oreg. Soil survey of Polk County, Oreg.; by E. F. Torgerson, Chas. Hartmann, jr., E. J. Carpenter, and W. G. Harper.

Corporate/Agency Authors:: Soils Bureau and Agriculture Department
Publisher:: Soils Bureau
Date:: 1927
SuDoc number:: A 26.5/a:P 759/5

1709. Pomegranate blotch; by Frederick A. Wolf.

Corporate/Agency Authors:: Plant Industry Bureau and Agriculture Department
Publisher:: Plant Industry Bureau
Date:: 1927
SuDoc number:: A 1.23/a:P 77

1710. Pop-corn. Factors affecting popping quality of pop corn; by J. G. Willier and Arthur M. Branson.

Corporate/Agency Authors:: Plant Industry Bureau and Agriculture Department
Publisher:: Plant Industry Bureau
Date:: 1927
SuDoc number:: A 1.23/a:P 81

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