Minerals for healthy growth

Question 1

Nitrates

Answer 1

1) Contain nitrogen for making amino acids and proteins.
2) These are needed for cell growth.
3) If a plant doesn’t get enough nitrates its growth will be stunted and older leaves will turn yellow.

Question 2

Phosphates

Answer 2

1) Contain phosphorous for making DNA and cell membranes.
2) They are needed for respiration and growth.
3) If a plant doesn’t get enough phosphates, it will have poor root growth and its older leaves become purple.

Question 3

Potassium

Answer 3

1) Helps the enzymes needed for photosynthesis and respiration.
2) If plants don’t get enough potassium, they will have poor flower and fruit growth and discolored leaves.

Question 4

Magnesium

Answer 4

1) Needed to make chlorophyll for photosynthesis.

2) If plants don’t get enough magnesium they will have yellow leaves.