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The Soil Resource

The Soil Resource. Presentation for Harvest Hastings April 10/2014. What do we have?. Bedrock Geology Glaciation and Subsequent Landforms Land Use History. What is Soil?. Soil texture. Texture % sand, silt, clay Field testing Dry feel test Ribbon test. Soil texture- in class exercise.

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The Soil Resource

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  1. The Soil Resource Presentation for Harvest Hastings April 10/2014

  2. What do we have? Bedrock Geology Glaciation and Subsequent Landforms Land Use History

  3. What is Soil?

  4. Soil texture • Texture • % sand, silt, clay • Field testing • Dry feel test • Ribbon test

  5. Soil texture- in class exercise • 3 samples

  6. Texture and Soil Moisture • Soil Moisture • Texture • Depth to water table • Seasonal • Permanent • Drainage • Texture • Water Table • Impervious layers

  7. Soil Fertility • Soil nutrients • Additions • Fertilizers • Manure • Crops • Deletions • Leaching • Denitrification • Erosion • Crops/Livestock

  8. Building Soil Fertility • Nutrient Retention • Cover crops • Crop rotations • Soil organic matter • Soil texture • Nutrient additions • Organic • Inorganic • Soil pH

  9. Soil Testing • Soil sampling • What to test for • When

  10. Soil Improvement • Drainage • Tile drainage • Why • Cost/benefit

  11. Soil Structure • What is it?

  12. Improving soil structure • Organic matter • Cover crops • Manure • fertilizers • Field timing • Tillage • compaction • Earthworms and other animals

  13. Compaction • Soil texture • Soil moisture • Equipment • Correction and Improvement • Mechanical • Biological

  14. Weed Management • Weed Resistance • Crop Rotations • Herbicides • Cover crops • Other???

  15. Next: Field visit Any questions before we head outside?

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