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Sec 5 NA Agriculture
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Sec 5 NA Agriculture

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Sec 5 NA Agriculture Presentation Transcript

  • 1. Agriculture
  • 2. Primary Industry Outputs Process Inputs Crops, diary products Or animals products Growing crops or rearing animals Labour Capital Seeds Chemicals Land Soils Sunlight Rain
    • For sale
    • For farmers’ own consumption
    • For farm use
    Human Natural
  • 3. Types of agricultural systems
    • Subsistence farming
    • Commercial farming
    • Market gardening
    • High-tech farming
    • Plantation agriculture
  • 4. Factors influencing agriculture
  • 5. Factors influencing agriculture
    • Climate
    • Relief
    • Soil
    • Capital
    • Technology (irrigation & machineries)
    • Transport / infrastructure
    • Market (demand)
    • Government policies
  • 6. Wet rice cultivation (inputs)
    • Climate
    • Relief (terracing)
    • Soils (fertile alluvial soil & volcanic soils)
    • Labour (family members)
    • Capital (low)
    • Technology (simple tools)
    • Demand / market
    • Transport
    • Government policies
  • 7. Processes of wet rice cultivation
  • 8. Problems facing subsistence wet rice farmers
    • Size of farms
      • Small because of fragmentation
    • Shortage of labour
      • Many young men go to the city to seek jobs
    • Tenancy
      • Part of the harvest go to landlord as rent
    • Poverty
    • Illiteracy
      • Do not know new farming methods / technology
    • Natural hazards
      • Droughts & floods (global warming)
  • 9. Green revolution
      • Genetic modified food
      • HYVs (high-yielding varieties)
      • e.g. IR58 (wonder rice)
      • Improved strains of cereals
        • Pest resistance
        • Faster growth duration
  • 10. Green revolution
  • 11. Problems of green revolution
    • High cost of production
    • Widening income gap
    • Water logging and increased salinity
    • Pollution
    • Occurrence of diseases and pests
    • Prices affected by demand
    • Loss of work
  • 12. Other types of farming
    • Subsistence farming
    • Commercial farming
    • Market gardening
    • High-tech farming
    • Plantation agriculture