Also, irrigation had no obvious effect on the contents of mineral n, organic matter and total n, but it was beneficial to the mineralization of organic n.
灌水对土壤矿质氮、有机质和全氮含量无显著影响，但有利于土壤有机氮的矿化。
Mineralization of nitrogen from various sources can contribute significantly to soil nitrogen balance, to total plant nitrogen availability, and to environmental quality and global change.
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。
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