Three ways that people hurt the environment are ______,______,______.
What is Erosion, Nutrient Depletion, and Desertification?
100
This piece of equipment is used to turn the soil upside down leaving the bare side up.
What is molboard plowing?
100
Whenever soil is worked or exposed, covering the surface with mulch or vegetation reduces erosion.
What are Cover Crops?
100
A ____ is anything that occurs naturally in the environment and is used by people.
What are natural resources?
200
LS stands for _______________ on the USLE Equation.
What is Slope Length and Steepness Factor?
200
Deforestation affects ______,______,______, and ______ ______.
What is Soil, The Flow of Water, Biodiversity, and Earth's Climate?
200
This is a tillage system made up of two stages, primary and secondary tillage.
What is Conventional Tillage?
200
Tillage following the contours of a slope, rather than up and down a slope.
What is Contour Tillage?
200
The process by which water, wind, or ice moves particles of rocks or soil is called ______.
What is Erosion?
300
C stands for ______________ in the USLE equation.
What is Cropping Factor?
300
What does Urbanization impact?
What is Earth through the loss of land for other uses and through pollution of air and water?
300
This is an implement with a series of three to ten large (2 to 2.5 feet) discs mounted on a frame at an angle to the direction of travel.
What is Disc Plow?
300
The planting of different types of crops in alternating strips to prevent wind or water erosion.
What is Strip Cropping?
300
The process of restoring an area of land to a more productive state is called ______.
What is Land Reclamation?
400
P stands for _______________ in the USLE equation
What is conservation practice factor?
400
First ridges left from plowing are smoothed out and large clods are broken. Then smaller lumps are pulverized and a fine seedbed is produced.
What is a Tandem Disc?
400
A series of low ridges and shallow channels running across a slope or on the contour to capture water so it can soak into the soil.
What are Terraces?
400
In ______, people cut down wood lands to harvest timber or clear the land for farms or ranches.
What is Deforestation?
500
K stands for ___________________in the USLE equation.
What is Soil Erodibility Factor?
500
What do Scientists think the increase in carbon dioxide from the burning of forests is ______
What is Global Warming?
500
This implement is made of long, springy, C-shaped teeth with a shear point or broad shovel that digs into the soil, dragging clods to the surface and breaking them up.
What is a Spring Toothed Harrow?
500
A shallow, sodded, wide ditch that runs down a slope. It is designed to carry excess water off the field safely.
What is a Grass Waterway?
500
In ______, large areas of land are developed as more and more people move cities and suburbs.