When you hold a ruler against something you need to measure, you can be sure that the six-inch mark really is six inches from an end of the ruler. It isn’t so easy, however, to measure soil pH.
We discovered in the fall that different tools sometimes produce starkly different results with a single sample of soil. In one instance, we came up with an acidic 5.0 when we tested with pH paper and an alkaline 8.0 with a system that mixes soil with an indicator solution. So what to do? And do user errors or Continue reading
