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28 Cards in this Set
- Front
- Back
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*The loose surface material of the earth that is composed of non-living matter,living matter, and air.
*A basic element that has played a major role in shaping our states history. We depend on it for our survival. |
What is soil?
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When dissolved minerals and nutrients are washed down through the topsoil to the lower layer of soil?
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What is Leaching?
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Decomposed plant and animal remains in the soil.
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What is humus?
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What is soil regeneration?
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Reducing soil quality and productivity.
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What are the three types of soil erosion?
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rill, gully and sheet
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Where are the two tree and shrub nurseries owned by the ND Soil Conservation district located?
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Oakes and Ft. Linclon
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What is the most common of the larger prairie animals?
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buffalo
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What animal had the most valuable pelt?
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black beaver
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What are some examples of upland game?
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grouse, sage grouse, pheasant, and wild turkey
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What is the most common snake found in ND?
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Garter
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What is the nickname for ND?
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Flickertail
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What disease is thought to of killed many of the buffalo in ND?
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tick fever
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What is a windbreak?
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Trees that protect farms, land, and wildlife
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What act allowed people to obtain 160 acres of land if they planted seven acres of trees?
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Timber Culture
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What is the ND state flower?
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Prairie Rose
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What is the ND state tree?
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American Elm
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What is the ND state bird?
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Wisconsin Meadowlark
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What are the factors in the process of forming soil?
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topsoil, climate, time, living organisms, parent material
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What is stubble mulching?
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leaving the stubble of harvested crops
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What is wind stripcropping?
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Used to level land. Planting strips of different crops.
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What is contour stripcropping?
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On hilly land, plant strips of crops with grass area.
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What is cover crop?
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Crops planted to protect the land in the winter.
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What is O Horizon?
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The first layer-organic layer
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What is C Horizon?
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Area of transition-parent material.
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What is crop rotation?
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Growing different cops on the same land.
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What is summer fallow?
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Letting the land be idle for a growing season.
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What is A Horizon?
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Topsoil-cultivated for crops.
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What is B Horizon?
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Layer blow the topsoil-subsoil.
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