Flashcards in 2.2.3 Minerals Deck (19)
Name the 4 important minerals needed by plants.
Why do plants need nitrates (nitrogen)?
for healthy growth
Why do plants need phosphates (phosphorous)?
for healthy roots
Why do plants need potassium?
for healthy leaves and flowers
Why do plants need magnesium?
To make chlorophyll
Where do plants get all of the minerals that they need?
How are minerals transported around plants?
In the xylem tubes along with water.
If a plant does not have all of the required minerals we say it has a __________ _____________
What are the symptoms of nitrate (nitrogen) deficiency in plants?
What are the symptoms of magnesium deficiency in a plant?
What are the symptoms of phosphate deficiency in a plant?
poor root growth
younger leaves look purple
What are the symptoms of potassium deficiency in a plant?
yellow leaves with dead patches
Why do plant leaves turn yellow if it has magnesium deficiency?
Because it cannot produce chlorophyll
Nitrates are needed to make
Amino acids join together to make
Proteins are needed for...
growth and repair of plant cells
What is fertiliser?
A chemical added to soil to replace missing minerals
Why do farmers need to use fertiliser?
Because minerals are removed from the soil when farmers harvest crops.