See more from this Session: Symposium--Changes In Soil Carbon
Due to Climate and Human Activities Wednesday, October 19, 2011:
8:05 AM Henry Gonzalez Convention Center, Room 209, Concourse
Level Changes in soil organic carbon (SOC) stocks and its
distribution in depth due to land use change have been reported
worldwide. The objective is to establish the variation of the
SOC pattern, in surface and deep soil layers, of the Pampas of
Argentina as affected by agriculture during the last four
decades. For the estimation of past carbon stocks, soil data
from more than 2000 soil profiles were obtained from surveys
(1960-1980). Soil variables were reported from the soil surface
to the bottom of the profiles or to the petrocalcic horizon.
Soil bulk density and organic carbon content were determined.
For the carbon stock at present, a soil sampling was performed
in 2008 at eighty two farms widespread over the region and at
each farm paired treatments were sampled accounting for common
vegetation types and land uses. B