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Agricultural Science

Soil Science

Key Points

  • Ideal soil: loam (sand + silt + clay mixture)
  • Sandy soil: well-drained, low fertility; Clay: poorly drained, can be fertile
  • Most crops grow best at pH 6.0–7.0
  • Liming corrects acidic soil (adds CaCO₃)
  • N: leaf growth; P: root growth; K: fruit/flower development

Practice Questions

2 questions
1

Which type of soil has the best water retention and is ideal for most crops?

2

The process by which nutrients are washed down through the soil by water is called:

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Crop Production