IT'S SOIL, NOT DIRT!!
(Must Yell)
(Must Yell)
What is Parent Material?
Composed of a high percentage of minerals
What are inorganic soils?
What is the B Horizon?
Method to reduce erosion
What is rotating crops?
Helps the ecosystem by stirring and aerating soil and shredding organic matter
What are arthropods?
Small roundworms found in all types of soil
What are nematodes?
Organism that improves water-holding capacity of the soil, provides channels for plant roots, buries plant residue, and helps soil drainage
What are earthworms?
Neutral value on the pH scale
What is 7?
Small, single-celled organisms that often have a symbiotic relationship with plants
What is bacteria?
Soil formation factor involves microorganisms decomposing dead plants and animals
What are biological factors?
5 factors of soil formation
What is Time, Climate, Topography, Biological Factors, and Parent Material?
2 primary sources for the food web
What are plants and bacteria?
Soil formation factor includes weathering forces of wind and precipitation
What is climate?
Horizon that consists of organic matter that provides nutrients to plants
What is Horizon O?
Soil particle that feels smooth and powdery?
What is Horizon C?
Largest soil particle
True or False: Clay soil is the best type of soil to have because it holds water tightly
Inorganic soil material that results in fertile and productive soils
What is volcanic ash?
What is the A Horizon?
Smallest soil particle
Horizon that is lighter in color and contains little organic matter
What is Horizon E?
Productive layer of soil vital to producing healthy crops
What is Topsoil?
True or False: A silt soil texture is good for making sandpaper and glassblowing
What is False?
Soil texture good for ag production and most crops