converting grassland into cropland in the US Flashcards
(7 cards)
1
Q
What happened in the US between 2007-2015
A
the midwest had been growing larger amounts of corn for biofuels
2
Q
what was the US’s most expensive crop in 2023?
A
corn
3
Q
What are the benefits of natural grassland?
A
they trap moisture and flood water and absorb toxins from soils
4
Q
What were grasslands typically used for?
A
cattle ranching
5
Q
What does the initial removal of grasslands do?
A
It releases CO2 from soils into the atmosphere
6
Q
What do grasslands absorb from soils?
A
toxins
7
Q
What does annual ploughing enable?
A
soil bacteria to release CO2
