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Page 1: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 2: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)

Soil ArchitectureTexture

Structure

Bulk Density

Organic Matter

Soil ChemistryAcidity and Alkalinity (pH and pOH)

Page 3: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 4: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)

Soil Texture– Course Fragments, Sand, Silt and Clay

www.cas.umt.edu/ science226/226.soils.htm

http://www.cst.cmich.edu/users/Franc1M/esc334/lectures/physical.htm

Page 5: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 6: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 7: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 8: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)

Soil Structure

Spheroidal or Granular

Plate-like

Prism-like

columnar

prismatic

Block-like

angular blocky

subangular blocky

Massive

Page 9: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 10: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 11: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 12: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)

Soil compaction (measured by cone penetrometer) was higher for no-till than for other systems in an Illinois study. Data: Illinois, USA. Cited in PPI. Fertilizer mangement for today's tillage systems.

adapted from Soane et al., 1994

Page 13: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 14: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 15: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)
Page 16: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)

Organic matter

improves structure

improves drainage

improves nutrient availability

decreases bulk density

Suspect if more OM present

Poor drainage

Toxicity issues

Page 17: Soil Architecture - Cornell University Architecture.pdf · Soil Architecture Texture Structure Bulk Density Organic Matter Soil Chemistry Acidity and Alkalinity (pH and pOH)