1 / 22

The Effects of Soil Compaction on Radish Growth

The Effects of Soil Compaction on Radish Growth. I.E., T.G., D.H., M.M., and Janice Wing Project from STEM Earth Central. Plant Growth Basics. Required conditions Water Nutrients Soil medium Sunlight Temperature Role of pore space in soil. Compaction. Modeling human impact on land

samira
Télécharger la présentation

The Effects of Soil Compaction on Radish Growth

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Effects of Soil Compaction on Radish Growth I.E., T.G., D.H., M.M., and Janice Wing Project from STEM Earth Central

  2. Plant Growth Basics • Required conditions • Water • Nutrients • Soil medium • Sunlight • Temperature • Role of pore space in soil

  3. Compaction • Modeling human impact on land • Vehicles on land • Hiking trails • Impact on plant growth

  4. Experiment Hypothesis “Highly compacted soil will hinder plant germination and slow early growth.”

  5. Our Experiment • 4 soil types • 3 degrees of soil compaction • Controlled environmental conditions • Water • Sunlight • Soil volume • Number of seeds • Depth and spacing of seeds

  6. Experiment Methods Watering Heavy Compaction “Tap-Down” Compaction

  7. Watering

  8. Levels of Compaction Note Standing Water

  9. Measurements • Percent germination • Growth rate (height)

  10. Germination

  11. Percent Germination by Date

  12. Average Seeding Growth Rate

  13. Radish Growth

  14. Considerations • Standing water • Original soil moisture • Soil particle size and pore size • Different soil types

  15. Conclusions • Soil compaction reduces percent germination • Heavy compaction reduces growth rate

  16. Future Questions • Is limited growth due to… • Small pore size? • Limited water percolation? • Increased pressure? • Anoxia?

  17. New Skills Learned • Manipulating photographs in Adobe Photoshop Elements • Filter Artistic Paint Daubs • Image Transform Distort • Composited Layers (to hide leaves) • Animated 3 images in PowerPoint Result = Growing Radish • Hyperlink

  18. The Effects of Soil Compaction on Radish Growth Grows on Mouse Click. Third picture appears on delay. I.E., T.G., D.H., M.M., and Janice Wing Project from STEM Earth Central Hyperlink

  19. New Skills Learned • Picture as background • Composited Layers Result = Original background No price tag

  20. Our Experiment Distracting numbers in the background Distracting numbers in the background GONE! • 4 soil types • 3 degrees of soil compaction • Controlled environmental conditions • Water • Sunlight • Soil volume • Number of seeds • Depth and spacing of seeds

  21. New Skills Learned • Use of slide master Result = Easier slide manipulation Greater consistency Custom Radish • Insert movie Result seen later…

  22. The End Let’s Celebrate!

More Related