Technical Bulletins

From United States Department of Agriculture, Economic Research Service
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171884: The Southern Potato Wireworm: Its Biology and Economic Importance in Coastal South Carolina

Augustine Day, F. P. Cuthbert and W. J. Reid

171883: An Automatic Moisture Control for Continuous Grain Dryers

G.L. Zachariah, G.W. Isaacs, G.H. Foster and L.E. Holman

171882: Preventing Japanese Beetle Dispersion by Farm Products and Nursery Stock

Walter E. Fleming

171868: Asphalt Linings for Seepage Control: Evaluation of Effectiveness and Durability of Three Types of Linings

C. W. Lauritzen and A. R. Dedrick

171867: An Evaluation of the Cyclone Collector for Cotton Gins

Richard A. Wesley, William D. Mayfield and Oliver L. McCaskill

171866: Bioassay of Clover Wound Tumor Virus and the Mycoplasmalike Organisms of Peach Western X and Aster Yellows

R. F. Whitcomb

171865: Comparative Performances of a Stick Machine and a Bur Machine on Machine-Stripped Cotton

Roy V. Baker

171864: Weed Control in Sugarbeets With Cycloate

J. H. Dawson

171863: USDAHL-70 Model of Watershed Hydrology

H. N. Holtan and N. C. Lopez

171862: Use of Population Models to Appraise the Role of Larval Parasites in Suppressing Heliothis Populations

E. F. Knipling

171861: Survey of Milk Production Practices and Facilities and Bacteriological Quality of Manufacturing-Grade Milk in the United States

Roger Dabbah, S. R. Tatini, J. C. Olson and W. A. Moats

171860: Pathogenic Specialization in Cereal Rust Fungi, Especially Puccinia recondita f. sp. tritici: Concepts, Methods of Study, and Application

L. E. Browder

171859: A Simulation of Irrigation Systems: The Effect of Water Supply and Operating Rules on Production and Income on Irrigated Farms

Raymond L. Anderson and Arthur Maass

171858: Effects of Weed Control and Fertilization on Botanical Composition and Forage Yields of Kentucky Bluegrass Pasture

Elroy J. Peters and J. F. Stritzke

171857: The Thermology of Wintering Honey Bee Colonies

Charles D. Owens

171856: Population Density Relationships Between Hymenopterous Parasites and Their Aphid Hosts- A Theoretical Study

E. F. Knipling and J. E. Gilmore

171855: Genetic and Cytological Studies with Camellia and Related Genera

William L. Ackerman

171854: A Dynamic Price-Output Model of the Beef and Pork Sectors

Richard Crom

171853: Production of Seedless Watermelons

C. F. Andrus, V. S. Seshadri and P. C. Grimball

171852: New Names and New Combinations in the Order Actinomycetales Buchanan 1917

T. G. Pridham

171851: Morphology and Anatomy of Honey Mesquite

R. E. Meyer, H. L. Morton, R. H. Haas, E. D. Robison and T. E. Riley

171850: Variables Affecting Film Permeability Requirements for Modified-Atmosphere Storage of Apples

W. E. Tolle

171849: Sector Income and Employment Multipliers: Their Interactions on the National Economy

Robert H. Elrod and Preston E. LaFerney

171848: Nearctic Sawflies: III. Heterarthrinae: Adults and Larvae (Hymenoptera: Tenthredinidae)

David R. Smith

171847: The Biology of Poor Seed Production in Tephrosia Vogelii

Franklin W. Martin and Eugenio Cabanillas

171844: Saw-Cylinder Lint Cleaning at Cotton Gins: Effects of Saw Speed and Combing Ratio on Lint Quality

Gino J. Mangialardi

171843: Field-Degradation Effects on Cotton Fiber and Yarn Quality

James M. Williams

171842: Identifying Races of Puccinia Graminis F. SP. Avenae: A Modified International System

D. M. Stewart and B. J. Roberts

171841: Camptotheca acuminata Decaisne (Nyssaceae) Source of Camptothecin, an Antileukemic Alkaloid

Robert E. Perdue, Robert L. Smith, Monroe E. Wall, Jonathan L. Hartwell and Betty J. Abbott

171840: Xanthophyll, Carotene, and a-Tocopherol Stability in Alfalfa as Affected by Pilot- and Industrial-Scale Dehydration

A. L. Livingston, R. E. Knowles and G. O. Kohler

171839: Thermal Properties and Heat Transfer Characteristics of Marsh Grapefruit

A. H. Bennett, W. G. Charge and R. H. Cubredge

171838: The Differential Diagnosis of Lymphoid Leukosis and Marek's Disease

Frank J. Siccardi and B. R. Burmester

171837: Use of Input-Output Analysis in Studying Industry Problems: Applied to Employment Changes in the U. S. Textile Industry

Philip F. Rice and Preston E. LaFerney

171836: Effects of Maturity Changes on Nondestructive Measurements of Citrus Fruit Quality

Otto L. Jahn

171834: Culture of Apical Meristems and Embryonic Shoots of Picea abies- Approach and Techniques

J. A. Romberger, R. J. Varnell and C. A. Tabor

171832: Studies on the Chemical and Biological Properties of Coumestrol and Related Compounds

E.M. Bickoff, R. R. Spencer, S. C. Witt and B. E. Knuckles

171829: Gin-Stand Research at Stoneville, Miss.: 1956-66

A. C. Griffin and O. L. McCagkill

171826: Effects of Conservation Practices on Storm Runoff in the Texas Blackland Prairie

Ralph W. Baird, C. W. Richardson and W. G. Knisel

171819: Cooperative Muskmelon Breeding Program in Texas, 1955-67: New Rating Scales and Index Selection Facilitate Development of Disease-Resistant Cultivars Adapted to Different Geographical Areas

G. W. Bohn, C. F. Andrus and R. T. Correa

171809: Effects of Age, Plant Spacing, and Other Variables on Growth, Yield, and Fiber Quality of Kenaf, Hibiscus cannabinus L

F. D. Wilson and J. F. Joyner

171802: Cantaloup Breeding: Correlations Among Fruit Characters Under Mass Selection

G. W. Bohn and C. F. Andrus

171794: Pasture Productivity of Crested Wheatgrass as Influenced by Nitrogen Fertilization and Alfalfa

George A. Rogler and Russell J. Lorenz

171782: A Nonlinear Model for Evaluation of Cotton Processed by Mills for Specific End Uses

Preston E. LaFerney

171780: Response of Ironweed and Buckbrush to Herbicides and to Herbicides in Combinations with Mowing, Nitrogen Fertilizer, and Surfactants

Elroy J. Peters and J. F. Stritzke

171777: Attractants for the Japanese Beetle

H. F. Fleming

171775: Nearctic Sawflies: II. Selandriinae: Adults (Hymenoptera: Tenthredinidae)

David R. Smith

171773: Nearctic Sawflies: I. Blennocampinae: Adults and Larvae (Hymenoptera: Tenthredinidae)

David R. Smith

171770: Interregional Adjustments in Crop and Livestock Production: A Linear Programming Analysis

Ray F. Brokken and E. D. Heady

171767: An Economic Analysis of the Dynamics of the United States Wheat Sector

William Y. Mo

171654: Performance of Small Hammer and Roller Mills for Grinding Livestock Feed

H. B. Puckett and D. R. Daum