Root decomposition and nutrient dynamics of Quercus mongolica and Betula Platyphylla Fine Root Decomposition Dynamics during Freeze-Thaw Season in the Subalpine/Alpine Forests Response of fine root decomposition to simulated nitrogen deposition in Pleioblastus amarus plantation, Rainy Area of West China. Contribution of Fine Root Production and Turnover to Soil Organic Carbon in Tamarix ramosissima Community in Sangong River Basin of Xinjiang, China Effect of Simulated Nitrogen Deposition on the Fine Root Decomposition and Related Nutrient Release of Picea schrenkiana var.tianshanica