Movement of Carbon - Farming Practices Flashcards
Farming Practices
1
Q
What happens when soil is ploughed?
A
Soil layers invert.
Air mixes in.
Soil microbial activity increases.
Soil organic matter rapidly breaks down.
Carbon lost to atmosphere.
(emissions from trackers increase co2 levels)
2
Q
What is the largest source of co2 emissions within farming practices?
A
Enteric fermentation.
3
Q
What is enteric fermentation?
A
Methane produced by livestock during digestion and released in belches.
Accounted for 2011 - 39% of greenhouse gas outputs.
4
Q
Where did most agricultural green house gas emissions occur in 2011?
A
The United Nations of Food and Agriculture Organisation said 44% occurred in Asia.
