Exchangeable A1(Ex-Al) of soil is one of the exchangeable cations commonly found in acid soil and is a key link of transformation of various forms of Al in soil. The role of Al in soil acidity is very important. Its c...Exchangeable A1(Ex-Al) of soil is one of the exchangeable cations commonly found in acid soil and is a key link of transformation of various forms of Al in soil. The role of Al in soil acidity is very important. Its contribution to soil acidity is closely related to the forms of Ex-Al. In addition, toxicity of Al in excess introduced by acid precipitation in soil展开更多
文摘Exchangeable A1(Ex-Al) of soil is one of the exchangeable cations commonly found in acid soil and is a key link of transformation of various forms of Al in soil. The role of Al in soil acidity is very important. Its contribution to soil acidity is closely related to the forms of Ex-Al. In addition, toxicity of Al in excess introduced by acid precipitation in soil