An acid found in rich humus soil breaks down the misfolded brain proteins — called prions — that cause chronic wasting disease. When concentrations of humic acid similar to those found in soils were ...

For iced tea, the question is “sweet or unsweet?” For garden soil, it’s “alkaline or acid?” The answer can make a big difference in the health and growth of your plants, according to Sharon Yiesla, ...

Soil pH is a measure of soil acidity or alkalinity. On the pH scale, a value of 7.0 is neutral, pH values less than 7.0 are acidic, and pH values greater than 7.0 are alkaline. Homeowners and ...