Root biomass and soil carbon distribution in hybrid poplar riparian buffers, herbaceous riparian buffers and natural riparian woodlots on farmland

SpringerPlus

Table 4 Total soil carbon (t ha ^-1 ) to 60 cm soil depth for three land uses at four sites

Land uses	Sites	Total soil C (t ha^-1)	LFH (%)	0-20 cm (%)	20-40 cm (%)	40-60 cm (%)
Woodlot - Hemlock	Brompton	130	3	89	5	3
Woodlot - White cedar	Magog	102	4	61	22	13
Woodlot - Grey birch	Roxton	91	0	37	30	33
Woodlot - Sugar maple	St-Isidore	173	1	43	35	21
Hybrid poplar buffer	Brompton	78	0	47	24	29
Hybrid poplar buffer	Magog	78	0	53	32	15
Hybrid poplar buffer	Roxton	110	0	35	33	32
Hybrid poplar buffer	St-Isidore	104	0	45	37	18
Herbaceous buffer	Brompton	117	0	41	33	26
Herbaceous buffer	Magog	88	0	46	38	16
Herbaceous buffer	Roxton	104	0	35	38	27
Herbaceous buffer	St-Isidore	113	0	58	29	13
SE		13
p<		0.05

Vertical distribution of soil carbon in 20 cm intervals expressed as percentages of total soil carbon.