土壤生物活性 meaning in Chinese

biological activity of soil

The size and characterization of biologically active organic carbon pool in soils
土壤生物活性有机碳库及其表征指标的研究征指标的研究
Until now there are contradictorily results regarding the dominant soc stabilization mechanisms , possibly depending on factors , such as ecosystem and soil type , soil depth , soil managements , as well as soil biological activity and community composition
至今，有机碳稳定性的主导机制尚不清楚，但影响因素与生态系统类型、土壤类型、土层深度、土壤管理措施、土壤生物活性及群落组成等有关。