40.6. Methods of Testing Irrigation Water Quality

Try these first

1. 1.

   What does EC stand for in water testing?

   Hint

   Think about what we measure in water quality.

2. 2.

   Name one tool used for testing water quality in the field.

   Hint

   This tool helps measure how salty the water is.

3. 3.

   What does an EC meter measure?

   • pH levels
   • Salinity
   • Nitrate concentrations

   Hint

   Focus on the concept of how we define salinity in water.

4. 4.

   True or False: Laboratory analysis is unnecessary if field tests yield good results.

   • True
   • False

   Hint

   Consider the level of detail in different testing methods.

5. 5.

   You collected a water sample for laboratory analysis. Describe the steps you would take to ensure the sample remains uncontaminated until testing.

   Hint

   Consider how to keep the sample unchanged until it reaches the lab.

6. 6.

   If an irrigation water sample shows a high level of Chloride, what actions would you recommend to the farmer?

   Hint

   Think about how blending could help dilute harmful levels.