Plant Growth And Productivity Flashcards
1
Q
What is food security
A
The ability to access food of sufficient quality or quantity
2
Q
What is food production dependent on
A
Photosynthesis
3
Q
Lang crop examples
A
Cereals, potato, roots and legumes
4
Q
Factors affecting plant growth
A
Pests, disease, competition
5
Q
How do you increase food production?
A
Control limiting factors
Plant crops with higher yield
Remove competition from weeds
Develop pest resistant crops
6
Q
Factors that control plant growth
A
Light availability
Available nutrients
water in the soil
Competition from other plants
7
Q
Livestock disadvantages
A
Less efficient than growing crops
Requires more energy per unit area than growing crops
Very water intensive
8
Q
Livestock advantages
A
Could be possible where plants are unable to grow
