Home
Flashcards
Preview
Soil Mgmt #6
Home
Get App
Take Quiz
Create
How many tons of living organisms are in every acre of soil?
Two or more
Yearly worldwide output of sugar by photosynthesis?
150 tons
The plants that animals consume
Primary producers
The animals that consume plants
Primary consumers
Predatory animal species
Secondary consumers
Materials that resist decay and create a slow release of nutrients in the soil
Humus
Bacterial that exist in a soil without oxygen
Anaerobic
Fungi resemble mass threads
Mycelium
Detrimental fungi that causes plant wilt
Verticillium
The process by which microorganisms decompose organic matter into simple inorganic forms that plants can use
Mineralization
How much nitrogen, trapped as gas in the atmosphere, covers an acre of the earth's surface?
34500 tons
The process by which microorganisms convert nitrogen in the atmosphere into ammonia that plants and utilize.
Nitrogen fixation
The process by which nitrates are changed back into nitrogen gas by bacteria.
Denitrification
Author
jenfox
ID
66192
Card Set
Soil Mgmt #6
Description
Soil organisms
Updated
2011-02-14T04:21:14Z
Show Answers
Home
Flashcards
Preview