Leaching of Base Cations (Ca2+,Mg2+,K+) from Forest Canopy during Acid Rain Effect of Aluminum Stress on Photosynthesis of Schima superba Seedlings and Regulation by Adding Base Cations and Phosphorous The leaching solution chemistry of a broad_leaved forest red soil under simulated N deposition in Southern China Influence of hydrological processes on the runoff variation of base cations in Jinyun Mountain The eluviations and acid buffering effect of litterfall in Shaoshan conifer and broad-leaved mixed forest Exchange of Proton and Major Elements in Two-Layer Canopies Under Acid Rain in a Subtropical Evergreen Forest in Central-South China Effects of nitrogen fertilization on leaching characteristics of NO3--N and base cations in latosol Soil cation exchange capacity and exchangeable base cation content in the profiles of four typical soils in the Xi-Shui Forest Zone of the Qilian Mountains Effects of soil base cation composition on plant distribution and diversity in coastal wetlands of Hangzhou Bay, East China