Replicate data on: Roots and other residues from leys with or without red clo...

Detailed data of the soil characteristics, field management, amount and N content of below (roots +crown) and above (stubble and herbage) ground grass mixture, red clover and...本数据集包含土壤特性、田间管理措施，以及混播牧草地下（根系+根颈）与地上（残茬及草本）部分、红三叶（red clover）等的生物量与氮（N）含量详细数据。