Corn Management

12/4/97

Back To Dale Farnham's Home Page

Table of Contents
Author: Agronomy Department
Email: x1farnha@exnet.iastate.edu
Home Page: http://extension.agron.iastate.edu

 

  1. Corn Management

  2. Iowa Corn and Soybean Yields

  3. Yield Goals

  4. Planting Date

  5. Planting Date

  6. Planting Date

  7. Corn Yield As Affected By Planting Date

  8. PPT Slide

  9. PPT Slide

  10. Planting Date

  11. Planting Date

  12. Corn Planting Dates (NERF, 1981-1992)

  13. Planting Dates vs. Silking Dates -- NERF

  14. Planting Depth

  15. PPT Slide

  16. Plant Population

  17. Corn Stand Issues

  18. Corn Stand Levels

  19. Plant Population Per Acre Iowa -- 1992-96

  20. Plant Population Per Acre Selected States -- 1996

  21. Plant Population

  22. Stand Counting Row Length (1/1,000 acre)

  23. Calculating 1/1,000th Acre

  24. Calculating 1/1,000th Acre Example

  25. Corn Stands -- SWRF, 1995 (Avg. of 3 hybrids)

  26. Corn Stands -- Ames, 1995 (Avg. of 3 hybrids)

  27. Corn Stands vs. Yield Level (Dry vs. Wet Years, SERF)

  28. Modern vs. 1970 Hybrid (Minnesota, 1990-92)

  29. Planting Rate vs. Stand

  30. Planting Rate vs. Stand

  31. PPT Slide

  32. Uneven Emergence and Corn Yield

  33. PPT Slide

  34. Stand Uniformity Drill vs. Hill Drop, NRF, 1995

  

  1. Stand Establishment Variability

  2. Stand Establishment Variability

  3. Stand Establishment Variability

  4. Corn Row Spacing (old data)

  5. Plant Distribution -Row Spacing-

  6. Narrow Row Spacing Historical Perspective

  7. Narrow Row Spacing Historical Perspective

  8. PPT Slide

  9. 30 Inch Row Spacing

  10. 15 Inch Row Spacing

  11. PPT Slide

  12. PPT Slide

  13. PPT Slide

  14. PPT Slide

  15. PPT Slide

  16. Replanting

  17. PPT Slide

  18. PPT Slide

  19. Replanting

  20. Replanting Decisions Corn Planting Date vs. Stand (%)

  21. Estimating Yields

  22. Estimating Yields

  23. Grain Drying and Test Weight

  24. Drydown Potential by Date -Ames-

  25. Test Weight vs. Grain Moisture -- Minnesota

  26. Cropping Patterns Used on Land in Corn

  27. Crop Rotation Effect of Prior Crop -- NERF

  28. Tillage Systems

  29. Conventional Tillage

  30. Reduced Tillage

  31. No-till

  32. PPT Slide

  33. PPT Slide

  34. PPT Slide

  35. PPT Slide