Über dieses Buch
Meine Mediathek
Bücher bei Google Play
DEPARTMENT BULLETIN No. 705.-PROFITABLE MANAGEMENT OF GENERAL
FARMS IN THE WILLAMETTE VALLEY, OREGON-Continued.
Some factors which influence efficiency..
Some factors which influence crop yields.
Relation of soil type to percentage farm income is of capital.
Causes of the difference in efficiency..
Starting clover on the clay soil....
Publications of the United States Department of Agriculture relating to
farm management.....
DEPARTMENT BULLETIN NO. 706.-AMERICAN SUMAC: A VALUABLE TANNING
MATERIAL AND DYESTUFF:
Introduction....
Species of American sumac.
Present methods of gathering and curing American sumac.
Tannin content of American sumac..
Sumac extract....
Disposal of extracted material..
Causes of poor quality in sumac.
Cooperation for better sumac.
Directions for proper gathering and curing of sumac.
Buyers of sumac.
1
3
5
8
9
10
11
12
Summary.
DEPARTMENT BULLETIN NO. 707.-RESULTS OF EXPERIMENTS WITH MIS-
CELLANEOUS SUBSTANCES AGAINST BEDBUGS, COCKROACHES, CLOTHES MOTHS,
AND CARPET BEETLES:
Killing effects of powders substances used as dusts against roaches.....
Methods of testing..
Experiments against carpet beetles..
Summary..
DEPARTMENT BULLETIN NO. 708.-SHUCK PROTECTION FOR EAR CORN:
Relation of shuck characters to insect infestation.
Field investigations..
Storage investigations.
Laboratory investigations..
Results of investigations in 1916...
Shuck extension as a preventive of worm damage..
Relation of shuck covering to mold and discoloration.
General value of a good shuck covering..
Advantages in the field..........
Advantages in storage...
Advantages in market quality..
Relation of increased shuck protection to the cost of shucking.
The production of better shuck protection...
Summary....
13
15
16
Page.
DEPARTMENT BULLETIN NO. 709.-REPORTS OF STORAGE HOLDINGS OF
Review of the 1916-17 cold-storage season for apples.
Review of the 1916-17 cold-storage season for butter.
Review of the 1916-17 cold-storage season for eggs..
Review of the 1916-17 cold-storage season for American cheese..
Review of the 1917 storage holdings of frozen and cured meats and lard..
Storage holdings of fish, December 15, 1917...
Selected list of publications on commercial holdings..
DEPARTMENT BULLETIN No. 710.-STAGGER GRASS (CHROSPERMA MUSCE-
TOXICUM) AS A POISONOUS PLANT:
Description and characteristics...
Historical summary.
Experimental feeding of the plant..
Typical cases.
General conclusions:
Toxic dose....
Symptoms..
Poison cumulative..
Animals susceptible...
Remedial measures.
Summary...
Literature cited..
DEPARTMENT BULLETIN No. 711.-LOGGING IN THE DOUGLAS FIR REGION:
General expenses..
Total cost of logging at one operation........
DEPARTMENT BULLETIN No. 712.--APPLE POWDERY MILDEW AND ITS CONTROL
IN THE ARID REGIONS OF THE PACIFIC NORTHWEST:
Economic importance of powdery mildew..
Review of the literature.
The causal organism...
Dissemination of the fungus..
Description of the disease..
Susceptibility of varieties.
Importance of the disease in the Pacific Northwest.
Spray injury..
Orchard spraying experiments.
Injury to fruit and foliage..
Spray materials...........
Summary of control measures.
Dormant sprays..
Pruning experiments..
General notes on the control of the disease..
Conclusions...
28
DEPARTMENT BULLETIN No. 713.—A Study OF FARMING IN SOUTHWESTERN
KENTUCKY:
How to measure success in farming......
Factors which make some farms more successful than others..
Good farming increases the value of the land.............
The practical value of standards of farm organization.
1299
Standard yields and farm values for important crops and productive ani-
mals.
10.
2
4
A study of five individual farms which, in general, illustrate good stand-
ards for the organization of farms in the areas studied..............
DEPARTMENT BULLETIN No. 714. SPOILAGE OF CRANBERRIES AFTER HAR-
6
7
18
19
20
Literature cited......
DEPARTMENT BULLETIN No. 715.-ATTRACTING BIRDS TO PUBLIC AND SEMI-
Publications of the United States Department of Agriculture relating to the
protection and attraction of wild birds..
DEPARTMENT BULLETIN No. 716.-A FIVE-YEAR FARM MANAGEMENT SURVEY
IN PALMER TOWNSHIP, WASHINGTON COUNTY, OHIO, 1912-1916:
General nature of the area and the study.
Objects of the study...
Summary of results..
General description of area..
Method of study.
A five-year study of 25 farms.
A study of 73 farms, by size and quality of business.
DEPARTMENT BULLETIN NO. 717.-DIGESTIBILITY OF PROTEIN SUPPLIED BY
SOY-BEAN AND PEANUT PRESS-CAKE FLOURS:
Introduction.....
Investigations of digestibility of common legumes..
Source and available supply of soy-bean and peanut press-cake..
Factors considered in determining food value of a protein........
The amino acids supplied by soy-bean and peanut proteins as compared
with those supplied by common cereal proteins....
Biologic value of soy-bean and peanut proteins as compared with that of
common cereal proteins....
Digestibility of soy-bean and peanut proteins..
DEPARTMENT BULLETIN No. 717.-DIGESTIBILITY OF PROTEIN SUPPLIED BY
SOY-BEAN AND PEANUT PRESS-CAKE FLOURS-Continued.
Preparation of soy-bean and peanut press-cake flours..
The subjects of the digestion experiments...
Preparation of experimental diets...
Details of the experiment..
The digestibility of protein supplied by soy-bean press-cake flour..
The digestibility of protein supplied by peanut press-cake flour..
Experiments with flour made from roasted peanuts..
Experiments with flour made from raw peanuts.
Summary of all experiments with peanut flours..
General conclusions regarding the value of soy-bean and peanut flours as
food.....
Publications of the United States Department of Agriculture relative to
food and nutrition......
27
DEPARTMENT BULLETIN NO. 718.-SMALL SAWMILLS: THEIR EQUIPMENT,
CONSTRUCTION, AND OPERATION:
Object of the bulletin...
General suggestions for portable sawmill owners.
The mill and milling.
Logging..
Appendix.
Water.
DEPARTMENT BULLETIN NO. 719.-WOMEN'S RURAL ORGANIZATIONS AND
THEIR ACTIVITIES:
Women's rural organizations are numersous and varied..
Organized effort of women develops home life...........
Country women cooperate for broader agricultural opportunities.
Farm women's organizations promote community life in the country.
DEPARTMENT BULLETIN NO. 720.-FOOD HABITS OF THE MALLARD DUCKS
OF THE UNITED STATES:
Introduction..
Mallard..
Black duck.
Southern black duck..
Items of vegetable food identified in stomachs of mallard ducks.
Items of animal food identified in stomachs of mallard ducks...
38
57
58
59
61
62
65
68
Publications of United States Department of Agriculture relating to the food habits of wild birds...
DEPARTMENT Bulletin No. 721.—THE BEET-Sugar Industry IN THE UNITED
STATES:
DEPARTMENT BULLETIN NO. 721--THE BEET-SUGAR INDUSTRY IN THE UNITED
Other publications of the United States Department of Agriculture relat-
ing to sugar and beet-sugar production.
DEPARTMENT BULLETIN No. 722.-A STUDY OF HEART-ROT IN WESTERN
HEMLOCK:
Introduction...
Present status of Western Hemlock in the trades..
Echinidontium tinctorium.
The diseases caused by Echinodontium tinctorium.
Areas studied and field methods used..
Methods used in presenting data.
Infection age.
Relation of decay to site and to age.
Relation of decay to vigor, crown rating, size and volume..
Relation of decay to injury and to sporophores.
Theory of infection...
Discussion of results.
Methods of control.
The President to the farmers of America.
DEPARTMENT BULLETIN No. 723.-THE PINK BOLLWORM WITH SPECIAL REF-
ERENCE TO STEPS TAKEN BY THE DEPARTMENT OF AGRICULTURE TO PRE-
VENT ITS ESTABLISHMENT IN THE UNITED STATES:
Precautions taken to prevent the introduction of the pink bollworm into
the United States..
DEPARTMENT BULLETIN NO. 724.-DRAINAGE METHODS AND FOUNDATIONS
DEPARTMENT BULLETIN NO. 725.-A PRELIMINARY STUDY OF THE BLEACH-
ING OF OATS WITH SULPHUR DIOXID:
Method of bleaching oats commercially.
Character of investigations..
Appendix..