Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Currently, the beef production system in the US occupies
|
~60 M ha
|
|
|
Converting to a grass-fed system would require
|
~10% more cows
~20 M ha of additional land (30% increase) |
|
|
target of ___% current yields per year to 2030
|
1.3%
|
|
|
current cropland area
|
1556 M ha
|
|
|
potential land availabel
SSA L Am + Caribbean rest of the world |
SSA 200 M ha
L Am + Caribbean 125 M ha rest of the world 100 M ha |
|
|
wheat farm yield
|
2t/ha (Aust) - 8.5 t/ha (Euro)
|
|
|
highest wheat yields
|
GY FR
|
|
|
winter wheat
|
higher yields b/c dormancy period allows for long growth duration, medium lattitude
|
|
|
spring wheat: spring/wheat
|
spring- high lattitude, winter-low lattitude
|
|
|
US winter wheat low productivity bs in
|
low productivity soil
|
