The carbon (C) cycle in boreal regions is strongly influenced by fire, which converts biomass
and detrital C mainly to gaseous forms (CO 2 and smaller proportions of CO and CH 4), and …

Biochar (carbonized biomass for agricultural use) has been used worldwide as soil
amendment and is a technology of particular interest for Brazil, since its" inspiration" is from …

Biochar production cannot be properly discussed without fi rst distinguishing it from char and
charcoal. The literature contains many examples where these three terms for carbonaceous …

Biochar effects on legume growth and biological nitrogen fixation have been studied
extensively, mostly in acidic soils with laboratory produced biochar. In the present study, a …

The production chain of Acai (Euterpe oleracea Mart) has a high economic
representativeness in the Brazilian Amazon. However, wastes generated from the …

Espinhaço and Mantiqueira are two mountain ranges of great importance in Brazil. In the
uppermost parts of these areas, unique ecosystems occur, generally associated with rock …

Humic substances comprise up to 70% of the total organic matter in soils, between 50 and
80% of the dissolved organic matter in water, and about 25% of dissolved organic matter in …

The potential of charcoal and of partially combusted organic waste to mimic the soil organic
matter of the Terras Pretas de Índios (Amazonian Dark Earths) from the Amazon Region is …

Charcoal of Eucalyptus grandis and Eucalyptus saligna was produced with different final
charring temperatures. Ground charcoal samples (120 mesh) were treated with HNO3 …

Humic substances (HS) perform a fundamental role in aquatic environments, exhibiting
different levels of reactivity in retaining metal ions and organic pollutants. Also, they control …