137Cs profiles in erosion plots with different soil cultivation

A. C. Andrello; C. R. Appoloni; E. A. Cassol; F. L. Melquiades

doi:10.1007/s10967-006-0297-0

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 269: Issue 3

¹³⁷Cs profiles in erosion plots with different soil cultivation

Authors:

A. C. Andrello

A. C. Andrello Departamento de Física, CCE, Universidade Estadual de Londrina P.O. Box 6001, 86051-990 Londrina, Brazil

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C. R. Appoloni

C. R. Appoloni Departamento de Física, CCE, Universidade Estadual de Londrina P.O. Box 6001, 86051-990 Londrina, Brazil

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E. A. Cassol

E. A. Cassol Faculdade de Agronomia, UFRGS P.O. Box 15100, 91501-970 Porto Alegre, Brazil

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F. L. Melquiades

F. L. Melquiades Departamento de Física, Universidade Estadual do Centro Oeste P.O. Box 3010, 85015-430 Guarapuava, Brazil

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Pages:: 761–765

Online Publication Date:: 15 Sep 2006

Publication Date:: 17 Sep 2006

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-006-0297-0

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Summary

Cesium-137 methodology has been successfully used to assess soil erosion. Seven erosion plots were sampled to determine the ¹³⁷Cs profile and to assess the erosion rates. Cesium-137 profile for native pasture plot showed an exponential decline below 5 cm depth, with little ¹³⁷Cs activity in the superficial layer (0-5 cm). Cesium-137 profile for wheat-soybean rotation plot in conventional tillage showed a uniform distribution with depth. For this plot, the soil loss occurs more in middle than upper and lower level. Cesium-137 profile for wheat-soybean rotation and wheat-maize rotation plots in no-tillage showed a similar result to the native pasture, with a minimum soil loss in the superficial layer. Cesium-137 profile for bare soil and cultivated pasture plots are similar, with a soil erosion rate of 229 t ha^-1 year^-1 . In the plots with a conventional tillage a greater soil loss occur in middle than upper and lower level. In no-tillage cultivation plots occurs soil loss in lower level, but no sign of soil loss neither gain in the upper level is observed. Cesium-137 methodology is a good tool to assess soil erosion and the ¹³⁷Cs profile gives possibility to understand the soil erosion behavior in erosion plots.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)