Data/hora: 21/06/2024 10:30:30

Biblioteca(s): | Embrapa Meio Ambiente.
Data corrente: | 18/02/2016
Data da última atualização: | 15/04/2016
Autoria: | FIGUEIREDO, R. de O.; GONCALVES, A. O.; MELO, A. da S.; BONA, F. D. de; HERNANI, L. C.
Afiliação: | RICARDO DE OLIVEIRA FIGUEIREDO, CNPMA; ALEXANDRE ORTEGA GONCALVES, CNPS; ADOILDO DA SILVA MELO, CNPS; FABIANO DANIEL DE BONA, CNPT; LUIS CARLOS HERNANI, CNPS.
Título: | Monitoring two small catchments to evaluate effects of no-tillage agricultural management in São Paulo state, Brazil.
Ano de publicação: | 2015
Fonte/Imprenta: | In: 2015 AGU FALL MEETING, 2015, San Francisco. E-posters... San Francisco: 2015. Ref. H43B-1477.
Idioma: | Inglês
Conteúdo: | In recent years, declines in water and soil quality have been observed in areas of Brazil where no-till agriculture had been previously implemented. Poor soil management associated with the absence of public policies has caused soil erosion, because many farmers are moving back from no-till to traditional cultivation for faster economic gains. A research project ? SoloVivo Project - leaded by Embrapa (Brazilian Agricultural Research Corporation) in partnership with Itaipu Binacional aims to develop and validate, in a participatory way, tools to evaluate the technical performance of soil and water management at the rural properties that practice notill agriculture. In this context we have selected two paired small (< 100 ha) catchments in the Paranapanema region, São Paulo State, where no-till management is practiced at two different degrees of effectiveness. In the figure bellow it can be seen a scene of one of the two studied catchments. For monitoring rainfall, soil solution and stream water, each catchment will be equipped with a programmable datalogger (with cell phone communication for data collection) linked to: a high intensity tipping bucket rain gage; a reflectometer to monitor soil volumetric water content, bulk electric conductivity and temperature; a radar water level sensor; a turbidity sensor; and an electric conductivity-temperature probe. We expect that stream flow and sediment generation, besides water quality (measured by conductivity) may serve as indicators of the benefits of no-tillage agriculture done more or less well. The results of this study will be used to stimulate discussions at workshops with the farmers who participate in a rural producers association in the region. In addition this and other results can be used to help the Brazilian National Water Agency (ANA) decide about applying no-till agricultural management systems in its programs of payment for environmental services.
Thesaurus Nal: | Watersheds.
Categoria do assunto: | P Recursos Naturais, Ciências Ambientais e da Terra
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/139360/1/2015RA-029.pdf
Registro original: | Embrapa Meio Ambiente (CNPMA)
Exemplares: | CNPMA - (14928-1) - UPC - RA - DD -  -  - 2015RA_029 - DIS