As farming gets more complex and greater crop yields are required to feed more people on less land, farmers' know-how needs to be constantly upgraded.

Laos: an extension officer explains the advantages of rice straw treatment for feeding cattle
FAO photo by H. Wagner

More photos in this series:

  • Pakistan: farmers and extension workers winnowing grain
  • Senegal: an extensionist demonstrates the advantages of using an improved stove to a group of village women

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