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Spatial variability of mineralogical physical attributes of an argisol in different relief forms under sugarcane cultivation

Grant number: 06/05573-5
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): March 01, 2007
Effective date (End): February 28, 2009
Field of knowledge:Agronomical Sciences - Agronomy - Soil Science
Principal Investigator:José Marques Júnior
Grantee:Livia Arantes Camargo
Host Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil


The aim of this work is to evaluate the space dependence as well as the standard of occurrence and the relation between the physical and mineralogical attributes of a Red Argissolo under sugar cane culture. The study area will have its relief form classified in accordance to Troeh et al., (1965). It will be installed two regular grids containing 121 points, spaced in 10 m interval, having a 100m x 100 m dimension distributed in 1 hectare each. The collected samples will be submitted to laboratory analysis for determination of physical attributes (bulk density, total volume of pores, macroporosity, microporosity and stability of aggregates) and separation of the clay fractions. Later the caulinita-gibssita system in free-iron clays will be evaluated by means of the X-ray diffraction, by using the powder method. The results of the analyses of laboratory and of X-ray diffraction be submitted to statistics and geostatistics analysis for evaluation of the variability and spatial dependence.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CAMARGO, LIVIA ARANTES; MARQUES JUNIOR, JOSE; PEREIRA, GENER TADEU. Variabilidade espacial de atributos físicos de um argissolo sob diferentes curvaturas do relevo. Revista Brasileira de Ciência do Solo, v. 34, n. 3, p. 617-630, . (06/05573-5)
CAMARGO, LIVIA ARANTES; MARQUES JUNIOR, JOSE; PEREIRA, GENER TADEU; FERRACCIU ALLEONI, LUIS REYNALDO. Spatial correlation between the composition of the clay fraction and contents of available phosphorus of an Oxisol at hillslope scale. CATENA, v. 100, p. 100-106, . (06/05573-5)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
CAMARGO, Livia Arantes. Mineralogia da argila e atributos físicos de um argissolo em curvaturas de relevo. 2009. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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