healthy plants Flashcards
1
Q
nitrogen is absorbed in the form of nitrate __________.
A
ions
2
Q
What chemical, needed for plant growth, will be in short supply if the plant gets insufficient nitrates?
A
protein or amino acids
3
Q
What do plants use magnesium ions to make?
A
chlorophyll
4
Q
Water and a suitable temperature are needed for seeds to germinate. Name one other environmental factor that must be present.
A
oxygen
