Deficiencies in plants Flashcards
(9 cards)
1
Q
How plants get minerals
A
taken up from the soil through their roots
in fertilisers
2
Q
Use of nitrates
A
As a supply of nitrogen, which is needed to make proteins for healthy growth
3
Q
What a nitrate deficiency looks like
A
Leaves turn a pale green or yellow colour (because chlorophyll in leaves reduces)
4
Q
Consequences of a nitrate deficiency
A
Without nitrates, the amount of
chlorophyll in leaves reduces. This reduces the plant’s ability to
photosynthesise and grow properly (reduces crop yields).
5
Q
Use of magnesium
A
use magnesium ions to make chlorophyll
6
Q
NPK fertiliser contains
A
- N - Nitrogen
- P - Phosphorus
- K - Potassium
7
Q
What a magnesium deficiency looks like
A
Yellow leaves (because can’t make chlorophyll)
8
Q
Consequences of magnesium deficiency
A
Can’t make chlorophyll so growth reduced
9
Q
A
