Mineral salts + Fertilisers Flashcards
What do plants absorb from the soil using their roots?
mineral salts that help with plant growth, fruit and flower reproduction and stronger stems.
What are the four elements that are very important and are in fertilisers?
- magnesium
- nitrogen
- phosphorus
- potassium
What is magnesium needed for?
To make chlorophyll
What are the effects of shortage of magnesium?
Yellow leaves
What is nitrogen needed for?
Healthy roots
What are the effects of shortage of nitrogen?
- stunted growth
- pale coloured leaves
- weak stems
What is phosphorus needed for?
healthy roots
What are the effects of shortage of phosphorous?
- short roots + stems
- small purple leaves
- low yield of fruit
What is potassium needed for?
for the production of fruits/flowers
What are the effects of shortage of phosphosorus?
- brown edged leaves
- poor fruit production
- poor resistance to
disease
What is hydroponics?
A method of growing plants in solution of mineral salts where no soil is needed and the plants are grown in a greenhouse.
