CONTRIBUTIONS OF PFEIFFER’S CIRCULAR CHROMATOGRAPHY (CCP) FOR SOIL HEALTH CHARACTERIZATION IN DIFFERENT LAND USE AND OCCUPATION

Authors

Abstract

To characterize and compare the behavior of different soil substrates, Pfeiffer's Circular Chromatography technique (CPP) was employed. For this purpose, six different points were demarcated and georeferenced for sampling, respecting the limits of the Sorocaba campus (SP) of the Federal University of São Carlos - UFSCar, in order to obtain heterogeneous results in view of the different forms of use and occupation and different soil classifications. Following the sampling work, the samples were appropriately separated according to soil classification, which varies depending on the dynamics of flow and overlap along the western slope of the Córrego do Ipaneminha (Ipaneminha Stream) valley, where the campus is located. Subsequently, after sieving the substrates, chromatograms were generated, following the proposal by EMBRAPA. It was observed that these chromatograms differ in color, peak shape, plume shape, and integration between the zones along the flow, indicating differences in the composition of the collected samples, considering the environmental variables.

Author Biographies

Caio Vieira Lobo Marques, UFSCar

Graduating in Geography from the Federal University of São Carlos - Sorocaba campus. 

Erminio Fernandes, UFSCar

PhD in Geography (Physical Geography) from the University of São Paulo (2007), doctoral internship in geomorphology from the Universitè de Paris VII (Denis Diderot), master's degree from the same institution in 2000 in the areas of geomorphology and soils. Graduated in Geography from the University of São Paulo (1989) and graduated in Licentiate from the University of São Paulo (1998). He is currently an associate professor and researcher at the Department of Geography, Tourism and Humanities at the Federal University of São Carlos - Campus Sorocaba/SP since 2015. 

Fernando Silveira Franco, UFSCar

Forestry Engineer, graduated from the Federal University of Viçosa, MG, (1992) Doctorate in Forestry Science, UFV, (2000) in the Area of ​​Agroforestry Systems, in Family Farming. Member of the board of Ass. Bras. from Agri. Biodynamics and Ass. Bras.de Agroecologia. Associate Professor at UFSCAR - Campus Sorocaba, in the courses of Forest Engineering, Biology and Post-Graduation in Agroecology. 

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Published

2023-11-12

Issue

Vol. 48 No. 1 (2023)

Section

Article

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The authors maintain the copyright and grant GEOGRAFIA the right of first publication, with the articles simultaneously licensed under the Creative Commons BY 4.0 License, which allows sharing and adapting the articles for any purpose, as long as appropriate credits and provisions of image rights, privacy or moral rights. Other legal attributions can be accessed at: https://creativecommons.org/licenses/by/4.0/legalcode.en.

 

Geography, Rio Claro, SP, Brazil - eISSN 1983-8700 is licensed under the Creative Commons BY 4.0 License.