1. Canada’s 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)soilsandsiltclay