Fertilisers Flashcards
1
Q
what is a fertiliser
A
- restores essential nutrients to the soil
- these nutrients are needed for healthy plant growth/ higher yield
2
Q
why are they important
A
the huge growth in population so more food is needed fast
3
Q
which elements are needed by plants
A
Carbon Hydrogen Oxygen Nitrogen Potassium Phosphorous
4
Q
what are some natural fertilisers
A
manure
ash compost
bone meal
5
Q
what are some synthetic fertilisers
A
ammonium nitrate
potassium sulfate
ammonium phosphate
6
Q
what is the formula of ammonia
A
NH3
7
Q
what bonding does it have
A
covalent bonding
8
Q
what is the state at room temperature
A
gas
9
Q
what is the shape
A
trigonal pyramidal
