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I HUME LIBRARY I SEP 13 1976

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Research Publications Available Research Division Virginia Polytechnic Institute and State University Blacksburg, Virginia Research Division Report 169 1976 RESEARCH PUBLICATIONS AVAILABLE

Single copies of the publications listed may be obtained free (except for Research Bulletin 47, Minerals of Virginia) by writing to the address below.

When requesting publications, please give the series, number, and title.

RESEARCH DIVISION PUBLICATIONS Distribution Office 111 Landsdowne Street Virginia Polytechnic Institute and State University Blacksburg, Virginia 24061 EXPERIMENT STATION SERIES Engineering Experiment Station Series

No. Title EE 159 Virginia Mineral Localities (Supplement III)

Agricultural Experiment Station Series No. Title PB 565 Factors Influencing Homemakers, Food-Buy- ing Practices and Their Willingness to Try New Foods and Recipes PB 568 Vocational and Education Goals of Rural Youth in Virginia PB 570 Farming in the National Capital Region-Max- imum Land Values that Complement Open Space PB 573 The Wood Frame House as a Structural Unit -Part 2 PB 575 Learning Outcomes of the Educational Pro- gram Pertaining to Farmer Cooperatives in High School Departments of Vocational Agri- culture in Virginia

RESEARCH DIVISION BULLETIN SERIES Research Division Administration No. Title RB 110 Progress Through Research:A Look at the Past 25 Years

College of Agriculture and Life Sciences No. Title RB 3 A Morphological and Taxonomical Study on the Immature Stages of of Antonina and of Related Genera ( Homoptera: Coccoidea). RB 4 Application of Soil Moisture Principles to the Study of Plant Disease RB 7 Effect of Physical Form and Roughage to Con- centrate Ratio of Rations for Fattening Older Lambs RB 8 Sampling Apple Loads for Inspection RB 10 Rural Land Ownership and Economic Develop- ment of a Three-County Area RB 11 Response of Crops to Phosphate Fertilizer in Virginia RB 12 Evaluation of Turfgrasses for Virginia RB 13 Community Mothercraft Centers RB 15 Studies on the Morphology and Taxonomy of the Males of Antonina and One Related Genus ( Homoptera: Cocco idea). RB 16 Economics of Adjustment for Large Flue- Cured Tobacco Farms-Southside Virginia (1) RB 17 Aggregate Optimum Farm Adjustments as Af- fected by Alternative Flue-Cured Tobacco Al- lotments and Prices RB 22 Agriculture and Life Sciences Research Report, 1965-67 RB 24 Minimum Resource Requirements and Related Optimum Enterprise Combinations for Specific Income Levels for the Cash-Grain Area of Northeastern Virginia RB 25 Organization and Operation of Burley Tobac- co Livestock Farms in Southwest Virginia RB 26 Effect of Antibiotics Fed Pigs Under Stress RB 27 Estimated Costs, Returns and Input Require- ments for Selected Crop and Livestock Enter- prises in the Burley Tobacco Area of South- west Virginia RB 31 Physical Volume of Production: Virginia Farming RB 32 The Use of Peanut Meal in Growing and Fin- ishing Swine Rations RB 33 Farm Organization and Resource Use, South- east Virginia Peanut Area, 1961 RB 36 Studies on the Morphology and Systematics of Scale Insects-No. 1 I. Morphological and systematic studies on adult males of some species of Lecanodias- pis ( Homoptera: Coccoidea: Lecanodias- pididae). II. Systematic status of the family Conchas- pididae, based on the males of Conchaspis lata Hempel (Homoptera: Coccoidea). III. Morphological studies on the three nymphal instars of Conchaspis lata Hempel. (Ho- moptera: Coccoidea: Conchaspididae). RB 37 Multiple Discriminant Analysis of Grade-A Dairy Farm Businesses RB 38 Shifts in Land Use in the Appalachian Region of Virginia RB 40 Characteristics of Farm Businesses of Former Students of Vocational Agriculture in Virgin- ia Who Owned or Were Buying Farms in 1967 RB 41 Capital Accumulation and Firm Growth - A Polyperiod Linear Programming Analysis of Farms in the Peanut Area of Southeastern Virginia RB 43 Yield of Corn, Wheat, and Red Clover-Orch- ardgrass in Rotation As Affected by Fertility Treatments on Tatum Silt Loam RB 44 The Insects of Virginia-No. 3 A systematic review of the Culicoides, Latreille ( Diptera: Ceratopogonidae) of Virginia RB 45 Managing Forages for Animal Production - 1949-1969 History and Research Findings, Vir- Forage Research Station, Middleburg, Virgin- ia RB 48 The Insects of Virginia-No. 1 Part I. Introduction to the series of bulletins on the insects of Virginia, with a literature review. Part II. The biotic regions of Virginia. RB 52 Studies on the Morphology and Systematics of Scale Insects-No. 2 A morphological and systematic study on the first instar nymphs of genus Lecanodiaspis (Homoptera: Coccoidea: Lecanodiaspididae) . (2) RB 55 Use-Value Assessment - A Study Based on Loudoun County, Virginia RB 57 Evaluation of Forage Systems Including Gas- Tight Silos for Dairy Farms RB 58 Land Values in the Rural-Urban Fringe RB 59 Apple Harvest Mechanization RB 63 The Effects of Various Wage Rates on Farm Organization and Structure in Southwest Vir- ginia RB 65 Apple-Grapefruit Juice Products RB 66 Teleprocessing Feasibility-An Economic Man- agement Decision Model RB 67 The Insects of Virginia-No. 4 Shield bugs ( Hemiptera: Scutelleroidea: Scu- telleridae, Corimelaenidae, Cydnidae, Pentato- midae). RB 68 Cost Analysis of Distributing Milk in Outside Markets RB 69 Virginia 309: A Black Shank Resistant Fire- Cured Tobacco Variety RB 70 Morphology and Systematics of Scale Insects -No. 4 Morphology and systematics of the adult fe- males of the genus Lecanodiaspis (Homoptera: Coccoidea: Lecanodiaspididae) . RB 71 A New Virginia Sun-Cured Tobacco Variety- Va. 407 RB 72 Consumer Preference for Beef As Associated with Selected Characteristics of the Meat RB 74 The Insects of Virginia-No. 5 Morphology and systematics of the Coccidae of Virginia, with notes on their biology ( Homoptera : Cocoidea) . RB 75 Peanut Industry: Farm Production Sector Structure, Virginia-North Carolina, 1969 RB 77 A Multiple Disease Resistant Variety of Flue· Cured Tobacco RB 79 Costs and Efficiency of Egg Marketing by Vir- ginia Producer-Processors RB 80 Pole-Type, Tilt-Up Economy House Design- The First Generation Prototype RB 81 The Insects of Virginia-No. 6 Horse flies and deer flies of Virginia (Diptera: Tabanidae). RB 82 The Essex Soybean RB 83 Morphology and Systematics of Scale Insects- No. 5 A revision of the seven genera related to Le- canodiaspis (Homoptera: Coccoidea: Lecan- odiaspididae). RB 85 Studies on the Morophology and Systematics of Scale Insects-No. 6 I. Morphology and systematics of five species in the Quercus group of the genus Lecano- diaspis ( Homoptera: Coccoidea: Lecanodi- aspididae) II. Morphology and systematics of three species in the Eucalypti group of the genus Lecanodiaspis (Homoptera: Coccoidea: Lecanodiaspididae). III. A morphological study on the adult female and two nymphal stages of Mallococcus sinensis (Maskell) with notes on its systematic position (Homoptera: Coccoidea: Coccidae). (3) RB 87 The Insects of Virginia-No. 7 The aquatic and semi-aquatic Hemiptera of Virginia. RB 88 Economic Relationships Among Business Sec- tors-Eastern Shore Virginia RB 90 Grain Storage in the Deficit South Atlantic Region RB 92 Morphology and Systematics of Scale Insects- No. 7 Morphological and biological studies on two species of Chionaspis (Homoptera: Coccoidea: Diaspididae) . RB 94 The Insects of Virginia-No. 8 The aquatic Hydrophilidae of Virginia (Coleop- tera: Polyphaga) RB 95 The Virginia 72R Peanut RB 96 Manufacturing Cooking Oil, Salad Oil, and Margarine RB 97 Glossary of Terms Used in Food Science RB 98 An Analysis of Alternative Economic Formulas for Pricing Fluid Milk in Virginia RB 99 The Beef Industry in the Appalachian Area of Virginia RB 100 Research in Context RB 102 Grade A Dairy Farm Growth in Virginia RB 104 Southern United States Land Use Legislation: A Legal Inventory RB 105 Insects of Virginia-No. 9 Squash, broad-headed, and scentless plant bugs of Virginia (Hemiptera: Coreoidea: Coreidae, Alydidae, Rhopalidae). RB 106 Short-Term Soybean Acreage Projection Model Including Price and Policy Impacts RB 107 A Representative and Deterministic Cost Com- ponent Model of the U. S. Vegetable Oil Indus- try RB 109 The Insects of Virginia-No. 10 The Haliplidae of Virginia (Coleoptera; Adep- haga). College of Arts and Science No. Title RB 47 Minerals of Virginia (For sale $4.00) RB 93 The Entocytherid Ostracod Fauna of the James and York River Basins with a Description of a New Member of the Genus Entocythere College of Education No. Title RB 5 Educational and Vocational Goals of Urban Youth in Virginia RB 18 Educational Needs and Employment Opportuni- ties in Non-Farm Agriculture RB 23 Competencies Needed by Teachers of High School Ornamental Horticulture Courses College of Engineering No. Title RB 19 Hydraulics of Energy Dissipation in Steep, Rough Channels RB 28 Ground Control in Bedded Formations RB 53 Analyzing Excavation and Materials Handling Equipment (4) College of Home Home Economics No. Title RB 46 Satisfactions and Problems with Electric Space Heating for Homes-Part I RB 51 Satisfactions and Problems with Electric Space Heating for Homes-Part 2 RB 76 The Physical Properties of Chemically Modified Cotton and Polyester-Cotton Fabrics As Re- lated to Seam Pucker Department of Veterinary Science No. Title RB 20 Evaluation of Materials for Slatted Floors RB 62 Vibrio Fetus-A Bibliography RB 91 Campylobacteriosis-A Bibliography Agricultural Experiment Station No. Title RR 102 Agricultural Progress July 1, 1963 to June 30, 1965 RR 105 Chemical, Physical, and Clay Mineralogical Properties of Montgomery County, Virginia Soils RR 112 Response of Coastal and Midland Bermudagrass and Kentucky 31 Fescue to Nitrogen in South- eastern Virginia RR 113 A Clipping Management Study of Two Sudan- grass-Sorghum Hybrids, Sudangrass, and Gahi Millet for Forage Production RR 115 Alfalfa Response to Molybdenum on Tatum Soil College of Agriculture and Life Sciences No. Title RR 119 Freeze Probabilities in Virginia and Protection Practices RR 122 1966-67 Livestock Research Report RR 123 Micronutrient Supply Power of Selected Vir- ginia Soils RR 125 Virginia Fire-Cured Tobbaco-Effect of Irri- gation, Topping Height, and Harvesting Meth- od on Yield and Quality RR 128 Extreme Temperatures in Virginia RR 133 Exercise and Tranquilization-Their Effects on Blood Constituents of Pigs RR 134 Effects of Controlled Temperatures, Slotted Floors and Space Allowances on Swine Produc- tion in Southeastern Virginia RR 136 Simulations of Watershed Hydrology on Agri- cultural Watersheds in Virginia with the Stand- ford Model RR 140 A Comparison of High Lysine Corn and Normal Corn in Combination with Peanut Oil for Swine Growing Rations RR 141 Double Deck Finishing of Swine RR 142 A Comparison of Feeding Methods of 25 Per- cent vs. 50 Percent Slotted Floor for Swine RR 147 Rotations for No-Tillage Corn in Virginia RR 148 Feed Additives for Swine I. Antibiotics and Antibiotic Sulfa Drug Combina- tion for Starter and Grower Ration RR 149 Feed Additives for Swine II. Copper and Iron Addition for Grower Rations RR 150 Feed Additives for Swine III. Comparison of Copper and Antibiotics for (5) Grower Rations RR 151 Bacterial and Yeast Preparation for Starter Grower Rations RR 152 The Use of Available Versus Total Phosphorus in Meeting the Phosphorus Requirement of Growing and Finishing Pigs RR 157 Fertilization of Fresh Market Tomatoes Grown under Trellis and Cage Culture RR 158 Livestock Research Report RR 159 Hydrologic and Water Quality Modeling of Surface Water Discharges from Mining RR 160 Selected Soils of Madison County, Virginia RR 161 Research in the College of Agriculture and Life Sciences, 1974-75 RR 163 Livestock Research Report, 1974-75 RR 164 Application of a Parametric Model to Simulate Flows from an Urban Watershed RR 166 Hydrologic Response Units Based on Character- istics of the Soil-Vegetative Complex within a Drainage Basin RR 167 Virginia Corn Performance Trials in 1975 SOUTHERN COOPERATIVE SERIES College of Agriculture and Life Sciences No. Title SCS 124 Aspects of the Microclimate at Five Locations in the Southeastern United States SCS 134 Cattle and Calf Movement in the South SCS 138 Economics Provisions for Old Age of Rural Families in Five Southern States SCS 143 Marketing Woody Ornamentals SCS 162 Burley Tobacco-The Effects of Prices and Al- lotments on Production, Farm Resource, Use and Income SCS 180 Landscape Plants and Lawns in the South- Homeowners Expenditures and Use Patterns SCS 181 Labor Utilization and Cost of Egg Packing Plants in Seven Southern States SCS 183 The Relation of Soil Microorganisms to Soil- borne Plant Pathogens SCS 186 Land Use on Southern Beef Producing Farms SCS 200 Evaluation of a Model for Simulating Continu- ous Streamflow from Small Watersheds College of Education No. Title SCS 136 Educational and Vocational Goals of Urban Youth in the South College of Home Economics No. Title SCS 93 Desserts and Snacks Used by Families in Ur- ban South SCS 94 Metabolic Patterns in Preadolescent Children- VIII Description of 1962 Study SCS 117 Teenagers and Milk SCS 121 Homemakers Response to Direct Advertising SCS 129 Metabolic Patterns in Preadolescent Children SCS 170 Metabolic Patterns in Preadolescent Children- Description of 1970 Study SCS 206 Housing Practices Among Low-Income Families in Selected Areas of Georgia, Texas, and Vir- ginia (6)