Is the Tea Bag Index (TBI) Useful for Comparing Decomposition Rates among Soils?
The Bag Index (TBI) is a novel approach using standardized materials (i.e., commercial tea bags) to evaluate organic matter decomposition by determining two indexes: the early stage decomposition constant k (k_TBI) and litter stabilization factor S (S_TBI).k_TBI Earrings is defined as the decomposition constant of an asymptote model describing the