United States Department of Agriculture
MONTHLY LIST OF PUBLICATIONS
Any five of the nontechnical publications listed herein, unless indicated "For sale only", may
be obtained free upon application to the United States Department of Agriculture, Washington,
D. C., as long as the Department's supply lasts. After Ihis supply is exhausted, publications
may be obtained from the Superintendent of Documents, Government Printing Office, Wash-
ington, D. C., by purchase at the prices stated herein. His office is not a part of the Depart-
ment of Agriculture.
Free distribution of technical material and periodicals is restricted.
These bulletins discuss in nontechnical language a wide variety of subjects pertaining
to the farm and farm home.
Growing black locust trees. W'ilbur R. Mattoon, Forest Service. 30 p., illus.
(F. B. 1628F, rev.) Price, 5(.
The farmer looks ahead. Bureau of Agricultural Economics. 16 p., illus. (F. B.
1774F.) Price, 5C.
"Our permanent policy with respect to agriculture must shape itself to give the
farmer his fair share ,f prosperity. having due regard to the long-time interests of the
national community as a whole", says Secretary Wallace in his introduction to this
The Technical Bulletin series contains the result of scientific and research work applying
to a special cr.p, industry, or locality. The editions are limited as they are intended
primarily for scientific workers and subject-matter specialists.
Blast-furnace processes for the production of phosphatic and potassic fertilizer
materials. P. H. Royster, K. G. Clark. T. P. Hignett, L. E. Bowe, H. I.
Lansdon, J. C. Southard, and J. W. Turrentine, Bureau of Chemistry and
Soils. 75 p., illus. (T. B. 43T.) Price, 100.
This bulletin describes a phase of the res-arch concerned with an investigation, by
means of small-scale apparatus, of the technical feasibility and commercial prac-
ticability of producing phosphatic and potassic fertilizer materials by blast-furnace
Effect of different methods of grazing on native vegetation and gains of steers in
northern Great Plains. W. H. Black, A. L. Baker, and V. I. Clark, Bureau
of Animal Industry; and 0. R. Mathews, Bureau of Plant Industry. 19 p.,
illus. (T. B. 547T.) Price, 5.
With the disappearance of the open range in most areas and the consequent heavy
stocking of pastures, the need tor reliable information on the effect of different
mntliods of grazing on the native vegetation became apparent. To obtain such in-
formation, the experiments reported in this bulletin were made.
Control of southern celery mosaic in Florida by removing weeds that serve as sources
of mosaic infection. F. L. Wellman, Bureau of Plant Industry. 16 p., illus.
(T. B. 548T.) Price, 50.
Results of the study show that this particular mosaic virus exists most frequently
from Leason to season in perennial weeds, and is largely spread by insects which.
however, do not carry it to extreme distances. Measures for the control of southern
celery mosaic consist ot weed removal and are described in detail in this publication.
Protection of apples and pears in transit from the Pacific Northwest during the
winter months. E. D. Mallison and E. A. Gorman, Jr., Bureau of Plant
Industry; and W. V. Hukill, Bureau of Agricultural Engineering. 55 p.,
illus. (T. B. 550T.) Price, 100.
These investigations have been conducted In cooperation with the fruit shippers in
the Pacific Northwest and the railroads serving the territory and eastern connecting
lines. This report includes a summary of the results of a series of investigations
conducted from 1917 to 1922. but for the most part is concerned with studies and
tests made fiom 1927 to 1935.
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Digilized by Ihe Iniernel Archive
in 2011 will luilding from
Uniiversily ol Florida, George A. Smaihers Libraries wiI1 support from LYRASIS and Ihe Sloan Foundation
UNIVERSITY OF FLORIDA
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*OFFICE OF INFORMATION AVOID PAYMENT or POSTAOG, $300
WASHINGTON, D. C.
University of Florida
Ariz.-12. (In vol. 54. no. 2. The biological value of the proteins in begarl and the
suppl,'nental value of certain protein concentrates used in farm animal feeding.
Margaret Cammack Snmi:h and Gladys Hartley Roelum.
E-69. (In vol. 54. no. 3.) Losses of organic substance in the spontaneous heating
of alfalfa hay. E. J. Hoffman and M. A. Bradshaw.
F-81. (In vol. 54, no. 2.) The influence of rainfall upon tuft area and height
growth of three semidesert range grasses in southern Arizona. Paul B. Lister and
Francis X. Schumacher.
G-1035. (In vol. 53, no. 12.) Developmental morphology of the caryopsis in maize.
L. F. Randolph.
G-1041. (In vol. 54. no. 3.) Keeping quality of sugar beets as influenced by growth
and nutritional factors. F. G. Larmer.
K-277. (In vol. 54, no. 2.) Practical field methods of sampling soil for wireworms.
E. W. Jones.
Mich.-30. (In vol. 54, no. 2.) Products of fermentation of the S and R forms of
yeast. F. W. Fablan and L. J. Wickerham.
N. J.-31. (In vol. 54, no. 3.) A statistical study of squab production in the White
King breed. C. S. Platt.
Wis.-78. (In vol. 53. no. 12.) Resistance to bacterial wilt of open-pollination va-
rieties of sweet, dent, and flint corn. S. S. Ivanoff.
Wis.-84. (In vol. 54. no. 3.) The production of milk of abnormal composition by
animals free fiom udder streptococcl. E. G. Hastings and B. A. Beach.
Journal of agricultural research. Vol. 54, no. 6. March 15; no. 7, April 1, 1937.
Monthly weather review. Vol. 65, no. 2, February 1937. Illus. Price, 150 a
copy; $1.50 a year, domestic; $2.25 a year, fortigu.' Not for general distri-
Contain.s (1) meteorological contributions and bibliography, (2) weather charts for
the month with an interpietative summary, and (3) climatological tables.
Public roads. Vol. 18, no. 3, May 1937. Price, 100 a copy; $1 a year, $1.50 a
Soil conservation. Vol. 2, no. 11, May 1937. Price, 100 a copy; $1 a year,
Issued monthly by the Soil Conservation Service. Seeks to supply to workers and
Cr'-iperators of the Depa;rtment ot Agriculture engaged in soil-conservation activities
in frmation of especial help to them In the performance of their duties.
Weekly weather and crop bulletin. Nos. 18-21, May 4-25, 1937. Price 500 a
a year domestic: 90c a year, foreign.1
'Payable to the Superintendent of Documents, Government Printing Office, Washington,
U.S. GOVERNMENT PRINrING OFFICE: 19l