list one reason soil is important
grows our crops, helps feed the world, etc
trains the eye to estimate slope
what is a slope finder
How many inches of top soil should soil have to be classified as goo?
7 inches or more
terracing
platy-type soil
What is clay
List two jobs affected by soil management
construction worker
farmer
soil scientist
forestry
etc
a way of appraising the physical nature and capability of soils
what is land judging
how much top soil does PCHS have?
around 5 inches
vegetation planted to hold soil in its place
cover crops
water drains through this sand the fastest
What is sand
the four parts of land evaluation
what is, texture, depth, slope and erosion
the wearing away of land by detachment and transport of soil by water or wind
Erosion
Why would you judge soil?
test if it would be good for growing, construction, etc
is planting alternating strips of crops on sloping land.
What is strip cropping
smallest particle size
What is clay
what is this a picture of
erosion
texture triangle
Deep, medium and shallow are the 3 terms used to describe how deep this can go
what is roots
is placing a layer of material on top of soil to protect it from wind and water.
Mulching
gritty feeling soil
What is sand
A mineral or organic compound that supports plant growth on the earth's surface
What is soil
can limit root zones and construction sites for buildings with basements. hint: what layer of soil?
What is bedrock
Describe the method of taking a soil sample
take a soil probe, place it in the ground, push down, then pull up
are placed at the bottoms of slopes to hold the soil yet allow the water to flow.
Silt Fences
Floury feeling soil
What is silt?