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 ...

How does pH of the soil affect nutrient availability for plants? The pH of the soil is what controls solubility of nutrients, which makes the nutrients available to the plants. Ideal pH for most ...

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 ...

Anyone who has picked up an instructional gardening book has gleaned that it might be important to test your soil’s pH before embarking on any major planting project—but too often gardeners skip this ...

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 ...

Maintaining the proper pH in your soil is crucial for growing a lush and verdant lawn. If soil pH is off, essential nutrients like phosphorus nitrogen and potassium will be locked in the soil and ...