土壤氮素矿化影响因子研究进展

土壤氮素矿化研究对从农田生态系统氮素平衡到全球变化和环境问题均具有重要意义．本文概述了土壤氮素矿化的影响因素．从目前的研究看,土壤氮素矿化的影响因素主要来自四个方面：土壤环境因子,土壤有机质质量,土壤生物因素和土壤理化性质,主要是在对单个因子的效应方面的研究．土壤氮素矿化的进一步研究应当集中在弄清影响因子及其交互作用的机理的基础上,建立机理模型阐明主要生态系统的氮素矿化过程．

Review on the Contributing Factors to Mineralization of Soil Nitrogen

Mineralization of nitrogen from various sources can contribute significantly to soil nitrogen budget, to total plant nitrogen availability, and to environmental quality and global change. There are four contributing factors influencing soil nitrogen mineralization, i.e., soil environmental factors, quality of soil organic matter, soil biological factors, and soil physical and chemical factors. However, interactions among all the contributing factors are not studied systematically. It is crucial to establish mechanic models integrated with the major contributing factor to elucidate the soil nitrogen mineralizationin the context of global changes.