Amazonian soils are almost universally thought of as extremely
forbidding. However, it is now clear that complex societies with
large, sedentary populations were present for over a millennium
before European contact. Associated with these are tracts of
anomalously fertile, dark soils termed terra preta or dark earths.
These soils are presently an important agricultural resource within
Amazonia and provide a model for developing long-term future
sustainability of food production in tropical environments. The
late Dutch soil scientist Wim Sombroek (1934-2003) was instrumental
in bringing the significance of these soils to the attention of the
world over four decades ago.
Wim saw not only the possibilities of improving the lives of
small holders throughout the world with simple carbon based soil
technologies, but was an early proponent of the positive synergies
also achieved in regards to carbon sequestration and global
climatic change abatement. Wim s vision was to form a
multidisciplinary group whose members maintained the ideal of open
collaboration toward the attainment of shared goals. Always
encouraged and often shaped by Wim, this free association of
international scholars termed the Terra Preta Nova Group came
together in 2001 and has flourished. This effort has been defined
by enormous productivity. Wim who is never far from any of our
minds and hearts, would have loved to share the great experience of
seeing the fruits of his vision as demonstrated in this
volume."
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