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10 Cards in this Set

  • Front
  • Back
fertility
A measure of how well soil supports plant growth
Natural resource
Anything in the environment that humans use.
Soil Conservation
The management of soil to prevent its destruction.
Contour Plowing
Plowing fields along the curves of a slope to prevent soil loss.
Conservation Plowing
Soil conservation method in which dead stalks from previous years crop are left in the ground to hold the soil in place.
Sod
A thick mass of grass roots and soil.
Decomposer
An organism that breaks down wastes and dead organisms.
Litter
The loose layer of dead plant leaves and stems on the surface of the soil.
Soil Horizon
The layer of soil that differs in color and texture from the layers above or below it.
Loam
Rich, fertile soil that is made up of about equal parts of clay, sand, and silt.