Soil organic carbon formation efficiency from straw/stover and manure input and its drivers: Estimates from long-term data in global croplands

In-situ observations collected from publications, grid-level maps showing the predicted NCE (%) of global cropland and data-driven model codes从已发表文献中采集的原位观测数据（in-situ observations）、展示全球农田预测净碳交换率（NCE，%）的网格级地图，以及数据驱动模型代码