As being the pH falls down below five.5, aluminum gets soluble at concentrations toxic to plants. Furthermore, soluble aluminum reacts with drinking water to make hydrogen ions, further more reducing soil pH. The purpose of liming is to scale back exchangeable aluminum to stages that aren't poisonous to plants. https://tysonnvckq.rimmablog.com/29384666/top-latest-five-soil-test-reports-bangladesh-urban-news