TY - JOUR
T1 - Water-soluble organic matter in incipient podzols
T2 - Accumulation in B horizons or in fibres?
AU - Nierop, K. G J
AU - Buurman, P.
PY - 1999/12
Y1 - 1999/12
N2 - To elucidate the mechanism of podzolization in its first stages we studied the fate of the water-soluble organic matter (WSOM) in incipient podzols in sandy soils by comparing the composition of the WSOM from L, F and H horizons with that in the bulk of the Bh horizons and fibres of three profiles. The WSOM appeared to consist significantly of ligno-cellulose and proteins, but these biopolymers were hardly present in the Bh horizons. The material of the fibres, however, greatly resembled the WSOM composition, thereby suggesting that in these soils most of the WSOM is transported through the B horizon and accumulates hardly changed in thin bands where the water stops moving. This implies that in the early steps of podzolization, accumulation of organic matter in the B horizon is not likely to be caused by water-soluble material.
AB - To elucidate the mechanism of podzolization in its first stages we studied the fate of the water-soluble organic matter (WSOM) in incipient podzols in sandy soils by comparing the composition of the WSOM from L, F and H horizons with that in the bulk of the Bh horizons and fibres of three profiles. The WSOM appeared to consist significantly of ligno-cellulose and proteins, but these biopolymers were hardly present in the Bh horizons. The material of the fibres, however, greatly resembled the WSOM composition, thereby suggesting that in these soils most of the WSOM is transported through the B horizon and accumulates hardly changed in thin bands where the water stops moving. This implies that in the early steps of podzolization, accumulation of organic matter in the B horizon is not likely to be caused by water-soluble material.
UR - http://www.scopus.com/inward/record.url?scp=0033399031&partnerID=8YFLogxK
U2 - 10.1046/j.1365-2389.1999.00263.x
DO - 10.1046/j.1365-2389.1999.00263.x
M3 - Article
AN - SCOPUS:0033399031
SN - 1351-0754
VL - 50
SP - 701
EP - 711
JO - European Journal of Soil Science
JF - European Journal of Soil Science
IS - 4
ER -