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      Question

      The recommended EC (Electrical Conductivity) for most

      greenhouse irrigation water is:
      A Below 1.5 dS/m Correct Answer Incorrect Answer
      B Above 10.0 dS/m Correct Answer Incorrect Answer
      C Exactly 0.0 dS/m Correct Answer Incorrect Answer
      D 50.0 dS/m Correct Answer Incorrect Answer

      Solution

      High EC indicates high salt content, which can cause osmotic stress and "burn" plant roots. Water quality is the foundation of successful greenhouse management.

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