2e - mineral ions Flashcards
1
Q
What are nitrates for?
A
- Make amino acids and proteins
- cell growth
2
Q
What does lack of nitrates cause?
A
- stunted growth
- older leaves go yellow
3
Q
What are phosphates for?
A
- make DNA and cell membranes
- respiration
- growth
4
Q
What does lack of phosphates cause?
A
- older leaves are purple
- poor root growth
5
Q
What is potassium needed for?
A
- helping the enzymes in respiration and photosynthesis to work
6
Q
What does lack of potassium cause?
A
- Poor flower and fruit growth
- discolouration on leaves
7
Q
What is magnesium needed for?
A
Making chlorophyll
8
Q
What does the lack of magnesium cause?
A
Leaves turn yellow
