Since the pH falls underneath five.5, aluminum will become soluble at concentrations toxic to plants. Moreover, soluble aluminum reacts with drinking water to generate hydrogen ions, even further reducing soil pH. The purpose of liming is to reduce exchangeable aluminum to amounts that are not toxic to vegetation. Farmland https://construction-soil-testing11098.bleepblogs.com/30033281/the-definitive-guide-to-soil-testing-labs-bd