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  • Assessing low-external-input farming techniques
  • Bontoc rice terraces
  • Pleasant strategies to deal with risk
  • Africa's soils are being mined
  • Local economies
  • From data collection to farmer assessment
  • Soil erosion
  • Natural grass strips
  • Soil fertility techniques
  • Beans
  • Agroforestry
  • New approaches to soil and water conservation