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 ...

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 ...

Fall is the perfect time to check your soil's pH, especially if you haven't in the past couple years or if you have noticed some significant changes to your plant's growth the last few growing seasons ...

Q:For many years, we have been pouring our leftover coffee grounds and unused coffee on our rhododendrons and azaleas. At some point can we overdo it with the acid content? They seem to be OK, ...

Aims: Plant pH is a functional trait deserving more attention than the current few studies at local scales, given its roles in nutrient cycling and physiological processes. How plant pH varies and is ...

The adsorption of phosphate on metal (hydr)oxides may be influenced by the pH and by the adsorption of other ions. In this study, the influence of sulphate and pH on phosphate adsorption on goethite ...