Included in this section is information, compiled by retired agronomist, Dr. Billy Warrick, on:  Extension Publications, Factsheets, Bulletins, Educational Modules, and Slide Sets.  Files listed in these categories but not available online are archived at the San Angelo center and available upon request.

Dr. Warrick’s Technical Reports, Proceedings, Result Demonstration Reports and Newsletters, previously accessible from this page, are also archived at the San Angelo center and available upon request.

For more information, please contact Mary Lynn Nelms, Senior Office Assistant: Ag Economics, Agronomy and Wildlife Management.
E-mail:  ml-nelms@tamu.edu; Phone: 325-653-4576 / ext. 285

Departmental Numbered Peer Reviewed Publications

• Small Grain Production in West Central Texas (SCS-2002-07), reviewed 2003, 2002
  (counting attachments 112 pages)
• Cotton Production in West Central Texas (SCS-2002-11), reviewed 2003, 2002
  (counting attachments 313 pages)
• Grain Sorghum Production in West Central Texas (SCS-2002-08), reviewed 2003, 2002
  (counting attachments 138 pages)
• Freeze Injury on Wheat (SCS-1999-15), reviewed 2003, 1999 (8 pages, 24 color figures)

Unnumbered Peer Reviewed Publications

• Sesame–Production Guide, revised 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999
• Suggestions for Weed Control in Pastures and Forages in West Central Texas, 2002, 2000
• Recommended Last Planting Date for Grain Sorghum in the Texas Low Rolling Plains, 2003, 2002, 2001
• Cotton Harvest-Aid Recommendations for West Central Texas, 2002, 2001, 2000, 1999
• Sunflower–Production Guide, revised 2001, 1999
• Growth Stages of Wheat: Identification and Understanding Improve Crop Management, 2000
• How a Sorghum Plant Develops, 2000
• Grain Sorghum Production in West Central Texas, 2001
• Small Grain Production in West Central Texas, 2001, 2000
• Cotton Production in West Central Texas, 2001, 2000
• Freeze Injury on Wheat, 1996

Peer Reviewed Publications Through Ag Communication Department

• State Cotton Production Guide with emphasis on IPM, 2002 (B-6116)
  (Co-authored seven of seven chapters, 71 pages)

Factsheets and Bulletins

• How A Cotton Plant Grows, 2003
• Cotton Plant Growth and Development, 2003
• Historical Weather Information 1948 – present, San Angelo, Texas, 2003, 2002, 2000, 1999
• 1948to2003abileneweathers, 2003, 2002, 2000, 1999
• Wheat Varieties Disease and Insect Ratings for West Central Texas, (annually 2003 – 1997)
• Top Twenty-Five Weed Problems In Conservation Tillage Production, 2002
• Wild Oat Control Publication, 2003 (updated L-1708 printed in 1994)
• How to Estimate Soil Moisture by Feel, 2001
• Cotton Varieties Information Sheet for West Central Texas, (annually 2001 – 1990)
• Importance of Variety Tests, 2000
• Summer Annual Forage Production, 1998, 1996
• If Cotton Is Ready Why Wait?, 1998
• Estimating Wheat Yield Potential, 1997
• Factors Impacting Harvest Aids, 1997
• Cotton Plant Growth and Development, 1997
• Sunflower–Alternative Crop Production Guide for District 7, 1996
• Sesame–Alternative Crop Production Guide for District 7, 1996
• Southern Pea–Alternative Crop Production Guide for District 7, 1996

Technical Reports

• Tom Green County Cotton Harvest Aid–Virtual Tour and Final Report, 2004
• Mitchell County Cotton Harvest Aid–Virtual Tour and Final Report, 2003
• Scurry County Cotton Harvest Aid–Virtual Tour and Final Report, 2003
• Far West Texas Conservation Tillage Weed Control Test, 2003

Result Demonstration Reports

• 2004 Runnels County Cotton Harvest Aid–Virtual Tour and Final Report
• 2003 Howard County Cotton Harvest Aid–Virtual Tour and Final Report
• 2003 Runnels County Cotton Harvest Aid–Virtual Tour and Final Report
• 2003 Tom Green County Cotton Harvest Aid–Virtual Tour and Final Report
• 2003 Far West Texas Conservation Tillage Weed Control Test HTML
• 2002 Reagan County Harvest Aid Test
• 2002 Runnels County Harvest Aid Test
• 2002 Tom Green County Harvest Aid Test

Educational Modules

• Result Demonstration Module
• Soil Education Module
• Plant Growth and Development Education Module
• Cotton Module
• Wheat Module
• Grain Sorghum Module
• Forage and Hay Production Module
• Growth Stages of Wheat: Identification and Understanding Improve Crop Management
• How a Sorghum Plant Develops
• Tips on Digital Graphics
• Broadleaf Weed Seedlings ID Test
• Water Resources Portal
• Grain and Hay Market Portal
• State and Federal Market Portal
• Weather Portal
• Weed Identification Portal
• Student and Teacher Resources Portal
• Horticulture Portal
• Livestock Information Portal

Slide Sets (for Educational Presentations)

• Drift vs Coverage
• Reestablishing Grass and Weed Control Considerations
• Drift Minimization
• Considerations of Converting CRP Grassland to Cropland
• Interpreting Your Cotton Plant
• Cotton Plant Physiology
• Critical Time Periods for Applying Irrigation Water
• Mepiquat Chloride Use in Cotton Production
• Weed Control in Cotton
• Cotton Crop Termination
• Proper Timing of Harvest Aid Applications
• Cotton Production in West Central Texas
• Soil, Plant, and Water Interrelationships
• Cotton Variety Selection
• Small Grain Forage Production for Stocker Cattle
• Maximizing Wheat Forage Production
• Management Practices by Growth Stage in Wheat
• Weed Control in Small Grains
• Wild Oat Control In Wheat
• Small Grain Alternatives
• Small Grain Management in West Central Texas
• Cultural Control Practices for Reducing Diseases in Wheat
• Grain Sorghum Plant Physiology and Water Use
• Perennial Hay Production and Management
• Quality Forage Production in West Central Texas
• Alfalfa Production and Management in West Central Texas
• Bermudagrass Production and Management
• Factors Affecting Weed Control
• Sprayer Calibration