Investigating plant growth Flashcards
0
Q
Who uses hydroponics?
A
Commercial growers
1
Q
What can sort of water can plants grow in which contains dissolved minerals?
A
Hydroponics
2
Q
What are the 4 factors which affect plant growth?
A
Light availability, water availability, space and nutrient availability
3
Q
What is the role of the mineral nitrates?
A
it is needed to make DNA and amino acids. The amino acids join to form proteins needed for healthy leaf growth.
4
Q
What happens if a plant does not have nitrates?
A
Older leaves are yellowed and the growth is stunted.
5
Q
What is the role of the mineral phosphates? and what does it contain?
A
It contains phosphorus.
It’s needed for healthy roots.
6
Q
What happens to a plant when it doesn’t have phosphates?
A
The younger leaves have a purple tinge and poor root growth.
