Soil
Crops
Random
Water/OSHA
100
What is the deepest layer in a soil profile?
Bedrock
100
What's the total amount of organic matter needed for crops to grow?
5% organic, 45% mineral matter, 25% air, 25% water
100
How many Americans are considered hungry in the country?
48 million people
100
Name 3 sources of water.
Ocean, lake, creek, pond, etc.
200
Soil Probe
200
How many people does one farm in USA feed?
165 people
200
What state has the most farms?
Texas
200
Why is water important to all living things?
Because it hydrates and helps things grow.
300
Describe the most important layer of the soil horizons and what it can do for sustaining life?
Organic matter because it is the most fertile for farming crops
300
What are the 3 requirements for plant growth?
Sunlight, water, nutrients
300
T or F; there are antibiotics in meat, milk, and eggs?
false
300
Which of the following is the first preference in the hierarchy control?
elimination of hazard
400
What is not considered an agricultural use for for soil?
Recreation
400
As a corn plant grows, what happens to the lower leaves?
they're lost
400
On average, how many eggs does a hen lay in one year?
300
400
Which of the following is a suggested tip for chemical hazards?
knowing compatible and imcompatible substances.
500
How many nutrients needed to grow crops are provided by soil?
13/16
500
Which plant part absorbs light energy to produce plant stem?
leaves
500
What career area is the largest employer in the world?
Agriculture
500
What steps are included are included in the hydrologic cycle?
evaporation, transpiration, condensation, precipitation