Technical Bulletins

From United States Department of Agriculture, Economic Research Service
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163056: A Laboratory Study of the Field Percolation Rates of Soils

C. S. Slater and Horace G. Byers

163055: A Revision of the American Species of Empoasca Known to Occur North of Mexico

Dwight M. DeLong

163054: Macrocentrus Gifuensis Ashmead, A Polyemberyonic Braconid Parasite in the European Corn Borer

H. L. Parker

163053: Variations of the Colloidal Material Extracted From The Soils of the Miami, Chester, and Cecil Series

R. S. Holmen and Glen Edgington

162951: Character of the Colloidal Materials in the Profiles of Certain Major Soil Groups

M. S. Anderson and Horace G. Byers

162950: Developmental States of Some Nematodes of the Spiruroidea Parasitic in Poultry and Game Birds

Eloise B. Cram

162949: The Distribution and the Mechanical Properties of Alaska Woods

L. J. Markwardt

162948: Results of Fertilizer Experiments on Norfolk Fine Sandy Loam and On Norfolk Sandy Loam

J. J. Skinner

162947: Habits and Economic Status of the Pocket Gophers

Theo H. Scheffer

162946: Reproduction on Pulpwood Lands in the Northeast

Marinus Westveld

162945: Genetic Growth Differentiation in Guinea Pigs

Hugh C. McPhee

162944: Wild-Duck Foods of North Dakota Lakes

Franklin P. Metcalf

162943: A Study of the Influence of Herbaceous Plant Cover on Surface Run-Off and Soil Erosion in Relation to Grazing on the Wasatch Plateau in Utah

C. L. Forsling

162795: Mountain-Laurel (Kalmia Latifolia) and Sheep Laurel (Kalmia Angustifolia) as Stock-Poisoning Plants

C. Dwight Marsh and A. B. Clawson

162793: Inheritance of Winter Hardiness, Growth Habit, and Stem-Rust Reaction in Crosses Between Minhardi Winter and H-44 Spring Wheats

Karl S. Quisenberry

162792: Beef Production and Quality as Affected by Grade of Steer and Feeding Grain Supplement on Grass

W. H. Black, K. F. Warner and C. V. Wilson

162788: Effect of Irrigation Water on Vigor and Vitality of Seed Potatoes

W. C. Edmundson

162786: A Biological Study of Trichogramma Minutum Riley as an Egg Parasite of the Oriental Fruit Moth

Alvah Peterson

162782: The Physical and Chemical Characteristics of Certain American Peat Profiles

Irvin C. Feustel and Horace G. Byers

162777: Perquisites and Wages of Hired Farm Laborers

Joslah C. Folsom

162775: Mechanical Analysis of Finely Divided Natural Phosphates

Lyle T. Alexander and K. D. Jacob

162758: Some Methods for Detecting Differences in Soil Organic Matter

Edmund C. Shorey

162756: Correlation Alinement Charts in Forest Research: A Method of Solving Problems in Curvilinear Multiple Correlation

Donald Bruce and L. H. Reineke

162753: The Determination of Hour Control for Adequate Fire Protection in the Major Cover Types of the California Pine Region

S. B. Show and E. I. Kotok

162751: Beef from Calves Fed Grain Before and After Weaning

W. H. Black and E. A. Trowbridge

162748: Seed Treatment for Controlling Covered Smut of Barley

R. W. Leukel

162746: Ecological Studies of the Beet Leaf Hopper

Walter Carter

162744: Gluing Wood in Aircraft Manufacture

T. R. Truax

162742: Timber Growing and Logging and Turpentining Practices in the Southern Pine Region

R. D. Forbes

162741: Beef Production From Purebred, Grade, and Native Calves

Arthur T. Semple and H. E. Dvorachek

162740: Toxic Effect of St. Johnswort (Hypericum Perforatum) on Cattle and Sheep

C. Dwight Marsh and A. B. Clawson

162739: The Yield of Douglas Fir in the Pacific Northwest

Richard E. McArdle, Walter H. Meyer and Donald Bruce

162738: Irrigation Requirements of the Arid and Semiarid Lands of the Columbia River Basin

Samuel Fortier and Arthur A. Young

162737: Trading in Corn Futures

G. Wright Hoffman

162736: Relative Insecticidal Value of Commercial Grades of Pyrethrum

C.C. McDonnell, W.S. Abbott, W.M. Davidson, G.L. Keenan and O.A. Nelson

162735: Milling and Baking Qualities of World Wheats

D. A. Coleman, Owen L. Dawson, Alfred Christie, H. B. Dixon, H. C. Fellows, J. F. Hayes, Elwood Hoffecker, J. H. Shollenberger and Walter K. Marshall

162734: The Canning Quality of Certain Commercial Important Eastern Peaches

Charles W. Culpepper and Joseph S. Caldwell

162733: Control of the Mountain Pine Beetle in Lodgepole Pine by the Use of Solar Heat

J. E. Patterson

162732: Economic Status of Drainage Districts in the South in 1926

Roger D. Marsden and R. P. Teele

162731: Experiments on the Processing and Storing of Deglet Noor Dates in California

A. F. Sievers and W. R. Barger

162730: Wintering Steers in the North Central Great Plains Section

W. H. Black and O. R. Mathews

162729: The Production, Extraction, and Germination of Lodgepole Pine Seed

C. G. Bates

162728: A Study of the Lesser Migratory Grasshopper

R. L. Shotwell

162727: Experiments on the Control of Tomato Yellows

Michael Shapovalov and F. Sidney Beecher

162726: Life History and Habits of the Plum Curculio in the Georgia Peach Belt

Oliver I. Snapp

162725: Ventilation of Farm Barns

M. A. R. Kelley

162722: The Bacterial Blight of Beans Caused By Bacterium Phaseoli

W. J. Zaumeyer

162721: Irrigation Requirements of the Arid and Semiarid Lands of the Southwest

Samuel Fortier and Arthur A. Young

162720: Erosion and Silting of Dredged Drainage Ditches

C. E. Ramser

162719: Life History of the Oriental Peach Moth at Riverton, N.J., in Relation to Temperature

Alvah Peterson