Chagas Torres, Lorena
- Department of Soil and Environment, Swedish University of Agricultural Sciences
Research article2022Peer reviewed
de Souza, Luma Castro; de Lima, Herdjania Veras; Rodrigues, Sueli; Torres, Lorena Chagas; Kern, Dirse Clara
Archeological Dark Earths, known in the Brazilian Amazon as Terra Preta de indio are fertile and structured soils considered as a potential model for sustainable agriculture. In order to recreate these soils a field experiment, named New Dark Earth, was set up in 2003 in the municipality of Tailandia, state of Para, northern Brazil. The treatments consisted of the application of organic residues (wastes from local industries) in a loamy sand soil: cattle bones, wood charcoal, shredded wood blades, and the control. The objective of this study was to evaluate the effect of these residues on soil physico-hydrological properties. The results showed that the residues did not significantly increase the soil organic carbon content. Only the wood charcoal resulted in some improvements in soil physico-hydrological properties, such as lower soil bulk density and higher total and microporosity, which was mainly attributed to the high porosity of this material. Consequently, it also presented more available water. For now, it was concluded that despite the three residues are widely available in the region, the use of wood charcoal seems to be the best alternative to bring improvements to the soil physical properties, mainly soil water retention. However, more studies need to be carried out.
Anthropogenic soil; biochar; soil physical quality; Amazonian soils
Communications in Soil Science and Plant Analysis
2022, Volume: 53, number: 4, pages: 533-543
Publisher: TAYLOR & FRANCIS INC
SDG15 Protect, restore and promote sustainable use of terrestrial ecosystems, sustainably manage forests, combat desertification, and halt and reverse land degradation and halt biodiversity loss
SDG2 End hunger, achieve food security and improved nutrition and promote sustainable agriculture
Soil Science
DOI: https://doi.org/10.1080/00103624.2021.2017956
https://res.slu.se/id/publ/115199