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


Phase separation methodology for physicochemical studies of soils. Author(s): FRANCHINI, C. A.; OLIVEIRA, T. L.; TEIXEIRA, W. G.; KUZNETSOV, A.; ACHETE, C. A. A detailed study of a soil in every country is of a paramount importance, because it determines an entire economic strategy. The mineralogical properties of soils have been studied in the world for mo... ... Repository: BDPA Publication year: 2015
Análise espacial de dados composicionais. Author(s): PEIXOTO, A. P. B.; SANTANA, T. V. F. de; HISSA, H. R.; SILVA, E. F. da; MACEDO, J. R. de; CAPECHE, C. L.; OLIVEIRA, M. C. N. de É usual expressar as frações granulométricas de solo como conteúdos de areia, silte e argila e usá-las para descrever e definir classes de solo. Em função disso, este trabalho se propõe a modelar o pa... ... Repository: BDPA Publication year: 2011
Fracionamento físico e frações oxidáveis da matéria orgânica em solos sob pastagens no Estado do Acre. Author(s): DELARMELINDA, E. A.; LOSS, A.; ANJOS, L. H. C. dos; PEREIRA, M. G.; WADT, P. G. S. O presente estudo tem como objetivos quantificar o carbono do solo e a sua distribuição nas frações mineral e particulada, bem como as frações oxidáveis, em solos sob pastagem, no Estado do Acre, que... ... Repository: BDPA Publication year: 2010
Método de referência para determinação das frações de areia, silte e argila em solos do Estado do Acre. Author(s): BEZERRA, M. A. da S.; SILVA, L. M. da; PEREIRA, M. G.; VIANA, J. H. M.; DONAGEMMA, G. K.; WADT, P. G. S. Este trabalho apresenta os procedimentos relativos ao método de referência para determinar frações de areia, silte e argila em solos do Acre. Repository: BDPA Publication year: 2021
Mineralogy of some soils from the Amazonia Sedimentary Basin. Author(s): FONTES, M. P. F.; XAVIER, B. T. L.; KER, J. C.; LIMA, H. N.; SOUZA, K. W. ABSTRACT: The Amazonia Forest is an important biome that possesses great diversity of fauna and flora, which can play a significant role in several science areas, specially, the gene reserve for the f... ... Repository: BDPA Publication year: 2014
Spatial variability of soil physical attributes in Machadinho D'Oeste (Ro), Amazon Basin. Author(s): VALLADARES, G. S.; GREGO, C. R.; BATISTELLA, M. The aim of this paper was to understand the spatial variability of soil physical attributes within the superficial layer (0-10 cm) in an area of agricultural colonization in Machadinho d?Oeste (RO). T... ... Repository: BDPA Publication year: 2006
Baseline and quality reference values for natural radionuclides in soils of Rio de Janeiro State, Brazil. Author(s): RIBEIRO, F. C. A.; LAURIA, D. da C.; SILVA, J. I. R.; LIMA, E. S. A.; AMARAL SOBRINHO, N. M. B. do; PEREZ, D. V. A first large-scale systematic survey of natural radioactivity contents of soils of the state of Rio de Janeiro is presented, focused on the establishment of Quality Reference Values (QRVs). Undisturb... ... Repository: BDPA Publication year: 2018
Change in enzymatic activity of microbial communities on the seasonal differences in soils the of biomes caatinga and atlantic forest. Author(s): BONONI, L.; VASCONCELLOS, R. L. F.; TAKETANI, R. G.; VILELA, E. S. D.; MOITINHO, M. A.; MELO, I. S. de Abstract: The average global temperature has increased and will continue increasing, with forecast of up to 5.8° C by the end of this century as a result of the increase in the concentration of greenh... ... Repository: BDPA Publication year: 2015
Physical attributes and organic material in pastures of Brachiaria brizantha at degradation levels. Author(s): ROCHA JUNIOR, P. R. da; DONAGEMMA, G. K.; ANDRADE, F. V.; PASSOS, R. R.; BALIEIRO, F. de C. Pastures cover, in Brazil, around 165 million ha, most of them are at some degradation level. Recovering these pastures is essential. The objective of this study was to evaluate the sensibility of soi... ... Repository: BDPA Publication year: 2022
Studies of the compositions of humic acids from Amazonian Dark Earth soils. Author(s): NOVOTNY, E. H.; AZEVEDO, E. R. de; BONAGAMBA, T. J.; CUNHA, T. J. F.; MADARI, B. E.; BENITES, V. de M.; HAYES, M. H. B. The compositions of humic acids (HAs) isolated from cultivated and forested "Terra Preta de Índio" or Amazonian Dark Earth soils (anthropogenic soils) were compared with those from adjacent non-anthro... ... Repository: BDPA Publication year: 2007

Showing 1 - 10 of 2,603 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.