The color of hydrangea flowers can change from pink to purple and blue by tweaking the soil. How do other plants react to those changes? Sydney Kozak explored just that. Her project, “Does changing ...

Soil quality is a major component of growing healthy food plots, as well as other things, such as gardens and yards. There are many different soil test kits available for everyone from the one-plot ...

CORVALLIS – Often not considered, soil pH has as much effect on plant health as disease, insects, drought and drainage. Keeping pH in the right range for certain plants is essential, according to ...

David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...

125 Soil pH Tests are Enough to Grow with the Plant, Cost-Effective: The ph value of the soil has a great impact on the results of plant growth, especially in different places, such as gardens, lawns, ...

One of the biggest factors affecting the health of plants in your garden is the pH of the soil, which is a measure of its acidity or alkalinity. A pH of 7.0 is neutral while that above 7.0 is alkaline ...

A blood gas test measures oxygen and carbon dioxide levels in the blood. The test can also show blood pH levels and lung function. It is also called an arterial blood gas test or a blood gas analysis.

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 ...