Geography pages 74-76, 82-83

Soil

Natural material that includes both rocky sediment and organic matter
Humus

Broken down plant and animal material
Leaching

Moves the nutrients out of the reach of plants roots
Contour plowing

It controls erosion and it goes across the hill
Soil exhaustion

When a field suffers nutrient loss due to the planting of crops every year
Crop rotation

Planting different crops in alternating years
Irrigation

When water is supplied artificially to dry regions to support falling
Soil salinization

Salt build up in the soil
Deforestation

Is the destruction or loss of forests
Acid rain

When air pollution contaminates the water vapor in the air
Biomes

Plant and animal communities that cover large land areas

Author

wennifer08

63732

Card Set

Geography pages 74-76, 82-83

Description

Geography pages 74-76, 82-83

Updated

2011-02-03T01:38:20Z

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