Soil Mgmt #6
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How many tons of living organisms are in every acre of soil?
Two or more
Yearly worldwide output of sugar by photosynthesis?
The plants that animals consume
The animals that consume plants
Predatory animal species
Materials that resist decay and create a slow release of nutrients in the soil
Bacterial that exist in a soil without oxygen
Fungi resemble mass threads
Detrimental fungi that causes plant wilt
The process by which microorganisms decompose organic matter into simple inorganic forms that plants can use
How much nitrogen, trapped as gas in the atmosphere, covers an acre of the earth's surface?
The process by which microorganisms convert nitrogen in the atmosphere into ammonia that plants and utilize.
The process by which nitrates are changed back into nitrogen gas by bacteria.
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