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What are the two main types of drip irrigation?

Based on principle, there are two main types of drip irrigation. They are

  • Sub-surface drip irrigation where water is applied below the soil surface through narrow tubes. Narrow plastic tubes are buried in the soil at a depth between 20 and 50 cm, deep enough so as not to interfere with normal tillage or traffic.
  • Surface drip irrigation where water is applied directly to the soil surface. This is a more common method and uses a very large range of drip emitter devices.

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