6.1.1

Intensive Farming - Crop Yield

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Increasing Crop Yield

The yield of food produced by farmers can be improved by intensive farming methods to help feed the growing human population.

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Glasshouses

  • Lighting, heating and higher carbon dioxide levels in glasshouses increase the rate of photosynthesis that is possible.
  • A high rate of photosynthesis means that crops grow faster and the total yield is bigger.
Illustrative background for Polythene tunnelsIllustrative background for Polythene tunnels ?? "content

Polythene tunnels

  • Polythene tunnels are cheaper to construct than glasshouses.
  • Like glasshouses, farmers can use them to increase temperature, light intensity and carbon dioxide levels to increase photosynthesis and crop yield.

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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