Contrasted to the unfertilized treatment, the improvement of aboveground C sequestration capacity of crop may supply more organic matter (stubble carbon) to the soil subject to fertilization, which may further improve the SOC accumulated as well.
施肥提高了作物地上部固碳能力,增加了有机物(根茬碳)归还土壤,为SOC的积累提供了基础。
参考来源 - 黄土旱塬长期施肥条件下土壤有机碳平衡研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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