date:Mar 14, 2019
ects are slow and difficult to adjust -- and in waterlogged soils, hydrogen sulfide might accumulate and inhibit root growth.
Acids can also be added directly via irrigation systems for more rapid acidification -- but these are hazardous to farmers, kill beneficial soil microbes, and generate carbon dioxide emissions.
A commoner strategy among growers is application of iron bound to synthetic chelators -- often sold as 'ericaceous fertilizer' -- but these are very expensive and leach potential