Soil pH and nutrient testers.

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Goosegirl

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Soil pH and nutrient testers.
« on: February 19, 2021, 14:34 »
Recently I got a kit to test the pH and NPK levels in my soil. The pH showed about 6.5 which I expected due to the variety of plants in nearby gardens, but the NPK values were basically nil which I found a bit strange as the few well-overgrown and unwanted shrub plants we removed when we moved in last June were healthy and showed no signs of nitrogen depletion in their leaves. I followed the instructions to the T and even tested our cold water supply to balance out the results from the soil. Anyone any suggestions for these odd results?
I work very hard so don't expect me to think as well.

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Yorkie

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Re: Soil pH and nutrient testers.
« Reply #1 on: February 21, 2021, 19:29 »
Can you describe the NPK test - how did you do the analysis?  I'd be more inclined to think an issue with the test than the soil
I try to take one day at a time, but sometimes several days all attack me at once...

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Goosegirl

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Re: Soil pH and nutrient testers.
« Reply #2 on: February 23, 2021, 15:48 »
It's the Rapid Test where you add one part soil to five parts water and let it settle. You then add the diluted solution into the plastic chamber provided and empty a capsule of power into it, give it a good shake, then compare the colour to a chart. There's one washable chamber and capsules for each NPK test.

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Yorkie

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Re: Soil pH and nutrient testers.
« Reply #3 on: February 25, 2021, 21:03 »
Hmm, I'm not sure what the issue could be.  Are you an RHS member? If so, I think they do an NPK analysis service?



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