Washington State University experts are working with a paper company on trials using fly ash to treat acidic soils, and they’re also looking at biochar and gene editing, reports a Washington newspaper.

Washington State University researchers offer a new publication to explain how soil pH affects root diseases and provide recommendations on mitigating adverse effects.

With decreasing soil pH a growing concern in the Palouse region of Washington, a simple way to check soil acidity is to use a soil pH meter to collect and accurately test a sample in the field in a matter of minutes, and at detailed levels, says Washington State University Extension.