13.5 environmental issues of using fertilizers

Question 1

reduces species diversity

Answer 1

nitrogen rich soils promote growth of fast growing species such as grass and nettles which outcompete other species

Question 2

leaching

Answer 2

leads to pollution of water courses

Question 3

eutrophication

Answer 3

nitrogen ceases to be a limited factor in plant and algal growth. upper layers of surface become densely populated with algae causing algal bloom. leads to less photosynthesis and oxygen