Nitrogen Cycle & Agriculture Flashcards
0
Q
Algae deposited on beaches rots in the sunshine,
A
This creates smelly sands and have negative effects on the tourist industry.
1
Q
Algae blooms, formed from increased nitrate in rivers,
A
Deprive many aquatic organisms of sunlight, resulting in death and decomp, which consumes oxygen and leads to stagnation.
2
Q
Results in the pollution of lakes, therefore,
A
Chemicals may be present in drinking water.
3
Q
NO3- is the most mobile form of
A
Nitrogen and moves easily through aquifers.
4
Q
Repeated ploughing and harvesting of a non-fixing plant eventually
A
Removes enough fixed nitrogen that fertilizer must be added because the soil becomes infertile.
5
Q
Mineralization:
A
Bound nitrogen is released to the env as NH4+
6
Q
Assimilation:
A
Soil NH4+ and NO3- are incorporated into plants.
