More cards in this set

Card 6

Front

Magnesium ions are used in fertilisers to help with this

Back

Preview of the front of card 6

Card 7

Front

These types of fertiliser are expensive and need reapplying more frequently

Back

Preview of the front of card 7

Card 8

Front

This mineral must be present in the fertiliser to allow photosynthesis and respiration enzymes to work

Back

Preview of the front of card 8