Canada

1
Canadas Soil Regions Old Making
Connections Textbook pages 144-148
2
The 4 main components of soil

• Minerals ________ particles and various
  nutrients
• This is why _____________ is so important as it
  moves rocks and materials
• Bacteria and Organic Material _________ stuff
  that decays
• Air provides CO2 and Oxygen to the plants
  through
• the __________
• Moisture absorbed by plants through their
  ______

3
Good Dirt???

• Why this
• Combo?

4
Too much or too Little _____?

• What are Leaching and Calcification?
• Leaching
• Calcification

5
Leaching / Calcification
6
How is topsoil created?

• Dead stuff falls on the earth and _______
• Fertilize with manure/ compost/ chemicals
• OOOPS!!!

7
Topsoil Erosion Issue

• Dirty 30s
• Farmers turned over the soil
• New _______ were used too much!!!
• Draught meant no _____to keep top layers of soil
• Winds blew the topsoil away!!!

8
What is loam and why do farmers like it soooo
much!!!

• is soil composed of sand, silt, and clay in
  relatively _______ concentration (Wiki)