5.1.20

Nitrogen Cycle

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Nitrates in Farming

Farmers may want to provide extra nitrates for their crops by adding fertilisers (manure) to the soil. They can also use plants with root nodule bacteria to add nitrates back into the soil; this is called crop rotation.

Jump to other topics

1The Nature & Variety of Living Organisms

2Structure & Functions in Living Organisms

3Organism Functions

3.1Respiration

3.2Gas Exchange

3.3Transport

3.4Excretion

3.5Coordination & Response

4Reproduction & Inheritance

5Ecology

6Biological Resources

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