Table 2. Mean, SD, and sample size (n) net rhizodeposition-to-root ratios observed in this paper and in Pausch and Kuzyakov review (10).

Ratio	Land use	Mean	SD	n	Reference
Net rhizodeposition/root biomass	Crops	0.54	0.07	99	Pausch and Kuzyakov (10)
	Grasses	0.50	0.06	128
	Trees	0.49	0.11	9
	Crops and cover crops	0.44	0.12	7	This review
	All	0.51	0.07	243	Weighted average