Nitrification

Question 0

Lime, CaO, can be added to

Answer 0

Neutralise acidity.

Question 1

Nitrification is the

Answer 1

Conversion, by soil bacteria, of organic compounds of nitrogen (unavailable to most plants) to nitrates.

Question 2

2NO3- is very soluble in

Answer 2

Water and can be leached from the soil, thus leading to pollution.

Question 3

The reaction produces a lot of H+ ions (4H+), this results in: (3)

Answer 3

A loss of productivity.
A loss of acid sensitive organisms.
A lower soil pH, thus increased acidity.

Question 4

Nitrifying bacteria oxidise

Answer 4

NH4+ to NO2- and NO3-