Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

From formal lab tests to DIY baking soda and vinegar, here's how to choose which method is best for your garden, lawn and ...

Test pH levels using baking soda and vinegar to determine if soil is alkaline or acidic. Use baking soda to raise soil pH levels if necessary to create an ideal environment for plants. Baking soda can ...