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Our Soils. CGR 4MI. Who needs good soil?.

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our soils

Our Soils

CGR 4MI

who needs good soil
Who needs good soil?
  • A lot of people may answer the question of “who needs good soil?” with things like “farmers” or “gardners” but I suggest good soils are critical for all of us and it is inherent on all of us to protect them. That kind of dedication is clear on the I Love Soil site when it says:
  • Soil is an amazing substance. It is a complex mix of ingredients: minerals, air, water, and organic matter—the countless micro-organisms and the decaying remains of once living things. Soil is made of life and soil makes life.
  • To the farmer, soil is where crops grow.
slide3

To the engineer, soil is a foundation to build.

  • To the ecologist, soil supports and connects ecosystems.
  • To the archaeologist, soil holds clues to past cultures.
  • To craftspeople, like potters, soil provides clay to make things.
  • To the soil scientist, soil is all of these things.
  • Soil has been called “the skin of the earth” because it is the thin outermost layer of the Earth’s crust.
  • Like our own skin, we can’t live without soil.

Department of Natural Resources and Mines

slide5

Grains of sand using an electron microscope

Sand
  • Range in size from 1/16mm to 2 mm
  • Most sand in S. Ontario is eroded limestone from the Niagara Escarpment
  • Sandy soils are ideal for tobacco, peanuts and market gardening cultivation due to its excellent drainage characteristics.
  • Erodes easily by wind or rain as water penetrates easily
slide8
Clay
  • Less than 0.002 mm
  • Very fertile because it holds nutrients very well
  • Clay hold moisture very well
  • When wet, gets very sticky and hard to cultivate
  • Excellent for growing

grasses

loams
Loams
  • A mixture of both sand, silt, clay and organic matter
  • Can be sandy loam, clay loam, etc
  • the best kind of soil for plants as they drain well and allow for air movement yet hold nutrients
the great bean grow off
The Great Bean Grow Off
  • We have 2 types of soil and 4 types organic matter
  • 1. Clay Loam
  • 2. Sandy Loam
  • 3. Composted maple leaves
  • 4. Composted chicken manure = nitrogen
  • 5. Composted mulch
  • 6. Mulch
slide13

Give your beans a name and put your names on the side of the pot

  • In groups of 4 you must fill your pot with a mixture of organic matters and soil
  • It is up to your group to select and record the type and amount of each soil or material
  • You will be given 3 bean seeds to plant 3 cm into your soil mixtures
  • May the best soil produce the best beans for us to eat