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Geography Optional 300+ Score Pack · Model answer

Land use/Land cover and soil types influence forage quantity and quality in semi-arid regions of the world. Discuss with relevant examples.

  • UPSC 2020
  • Biogeography

Forage quantity is the grazable biomass produced (kg dry matter/ha); forage quality is its crude protein, minerals and digestibility.

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What the full answer covers

  • Soil Types: the Fertility–Moisture Trade-off
  • Nutrient-rich versus nutrient-poor savannas
  • Water versus nutrients in the Sahel
  • Texture
  • Land Use / Land Cover: Human Choices Overlay Soil
  • Current Evidence

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