Home soil testing kits easily read the pH and nutrient levels of the sample, but they can differ greatly from more precise ...

Soil testing methods are still largely the same as they were 100 years ago, and researchers and farmers continue to struggle to interpret the numbers. However, a soil test is a good place to start ...

This method gives a quick, approximate pH reading, making it ideal for home gardeners. Digital pH meters provide a more ...

Purdue Extension Educators frequently encourage homeowners to get soil tests when they want to grow new plants in an area, or try to diagnose what’s wrong with plants currently growing. One key ...

The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...

IPI tests paper-based materials and adhesives for pH levels using a modification (described in ISO 18902) of the standardized test, TAPPI T 509 Hydrogen Ion Concentration (pH) of Paper Extracts (Cold ...

Q: I have two raised beds and need to lower the pH of the soil in them. Can I use vinegar to change the pH? If so, how much do I need and should it be applied diluted with water? A: For folks new to ...