If a soil has a pH of 8.5, how is it classified?

A soil with a pH of 8.5 is classified as basic, or alkaline. The pH scale ranges from 0 to 14, with values below 7 indicating acidity, 7 signifying neutrality, and values above 7 indicating alkalinity. Specifically, a pH of 8.5 clearly falls within the basic range, indicating that the soil has fewer hydrogen ions compared to hydroxide ions.

In the context of soil management and fertilization, understanding pH is crucial because it affects nutrient availability, microbial activity, and overall soil health. Basic soils, like one with a pH of 8.5, may have specific nutrient management considerations, such as potential deficiencies in micronutrients like iron and manganese, which can become less available at higher pH levels. Therefore, recognizing the basic classification of a soil at this pH is essential for effective agricultural practices and environmental stewardship.