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Baermann funnel method for soil sampling

Learn how to use the Baermann funnel method to extract nematodes from soil samples. Follow step-by-step instructions for setting up the funnel, adding soil and water, and observing the samples under a dissecting microscope. Suitable for studying nematode populations in agricultural or research settings.

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Baermann funnel method for soil sampling

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  1. Step 1. Secure clamp on hose

  2. Step 2. Add water to funnel up to screen

  3. Step 3. Place tissue on screen in funnel

  4. Step 4. Add soil to tissue

  5. Soil on tissue

  6. Step 5. Fold tissue corners over

  7. Soil / tissue packet on screen in funnel

  8. Step 6. Add water at edge until it reaches top of soil packet

  9. Step 7. Let Baermann funnel sit at room temperature Step 8. After 1-3 days, carefully draw off a few drops of liquid

  10. Step 9. Observe with a dissecting microscope

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