Skip to Content 1
Ir para o menu 2
Ir para a busca 3

Portal Embrapa

Language Language

português English
Entrar

Search Publications

Sort by: date | alphabetically


Assessing the risk of groundwater contamination from organic substances in sewage sludge. Author(s): KATAGUIRI, K.; PARAIBA, L. C. In this work, the risk of groundwater contamination from organic substances in sewage sludge from wastewater treatment stations was evaluated in its worst case. The sewage sludge was applied as fertil... ... Repository: BDPA Publication year: 2008
Organic fertilizer and humic substance effects on lettuce characteristics and nutrition. Author(s): MARCHI, E. C. S.; MARCHI, G.; SILVA, C. A. Repository: BDPA Publication year: 2009
Humic substance fractions and attributes of histosols and related high-organic-matter soils form Brazil. Author(s): VALLADARES, G. S.; PEREIRA, M. G.; ANJOS, L. H. C. dos; BENITES, V. de M.; EBELING, A. G.; MOUTA, R. de O. Knowledge of the distribution of soil organic matter (SOM) fractions is important in managing soils toward a sustainable agricultural system ina tropical environment, However, data on Histosols in lim... ... Repository: BDPA Publication year: 2007
Resistance of soil organic matter in "humic A horizons" of the mountainous region in the state of Rio de Janeiro. Author(s): FONTANA, A.; PEREIRA, M. G.; BALIEIRO, F. de C.; CHAGAS, C. da S.; DONAGEMMA, G. K.; OLIVEIRA, L. S de Soils with high organic carbon content, such as those with "humic A horizon", occur in different regions of Brazil. This study aimed to determine the quantitative and qualitative characteristics of or... ... Repository: BDPA Publication year: 2020
Evolution of maize residues into SOM in a study of two years incubation. Author(s): SONG, G. X.; NOVOTNY, E. H.; HAYES, M. H. B. Maize (Zea mays, a C4 plant) stover was incubated in a long-term cultivated soil for 24 months in order to better understand the transformation of crop residues into soil organic matter. Humic fractio... ... Repository: BDPA Publication year: 2018
Mitigation of salt stress of tomato using pre-treatment with humic acids. Author(s): ZANDONADI, D. B.; SANTOS, M. P.; MEDICI, L. O. Repository: BDPA Publication year: 2014
Organic matter fractions in a Quartzipsamment under cultivation of irrigated mango in the lower São Francisco Valley region, Brazil. Author(s): CARDOSO. J. A. F.; LIMA, A. M. N.; CUNHA, T. J. F.; RODRIGUES, M. A.; HERNANI, L. C.; AMARAL, A. J. do; OLIVEIRA NETO, M. B. de In this context, the aim of the present study was to evaluate the impact of growing irrigated mango on the organic carbon (OC) stocks, the C in humic substances, and the C of the heavy fraction and li... ... Repository: BDPA Publication year: 2015
Molecular characteristics and bioactivity of humic acids isolated from vermicomposts. Author(s): MARTINEZ-BALMORI, D.; SPACCINI, R.; AGUIAR, N. O.; NOVOTNY, E. H.; OLIVARES, F. L.; CANELLAS, L. P. Vermitechnology is an effective composting method which transforms different residual biomasses into nutrient rich organic fertilizer. In fact, the mature vermicompost is a renewed organic source suit... ... Repository: BDPA Publication year: 2014
Insights into the composition of humin from an irish grassland soil. Author(s): BYRNE, C. M.; NOVOTNY, E. H.; HATCHER, P. G.; HAYES, M. H. B. Humin is defined as the fraction of the humic substances (HS) that is insoluble in aqueous solution at any pH value (1). Because of its insolubility it has been the least studied of all the humic frac... ... Repository: BDPA Publication year: 2008
Burning of tropical brazilian rainforest of sandy soil: does it affect soil organic matter? Author(s): LIMA, M. O.; DICK, D. P.; COSTA, F. de S.; COSTA, J. B. da; LARA, L. Z.; PERALBA, M. do C. This study aimed to investigate the impact of vegetation burning on the content and chemical composition of soil organic matter (SOM) along a profile of a sandy Acrisol in Southwestern Amazon, Brazil,... ... Repository: BDPA Publication year: 2016

Showing 1 - 10 of 1,002 results.

Observation

Some of Embrapa's publications are published as ePub files. To read them, use or download one of the following free software options to your computer or mobile device. Android: Google Play Books; IOS: iBooks; Windows and Linux: Calibre.

Access other publications

Access the Agricultural Research Database (BDPA) to consult Embrapa's full library collection and records.
Visit Embrapa Bookstore to purchase books and other publications sold by Embrapa.