@Article{CapoaneKrolSantCana:2016:CoToEl,
author = "Capoane, Viviane and Krolow, Ivan Renato Cardoso and Santos,
Danilo Rheinheimer dos and Canalli, Lut{\'e}cia Beatriz",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and
{Universidade Federal de Santa Maria (UFSM)} and {Universidade
Federal de Santa Maria (UFSM)} and {Instituto Agron{\^o}mico do
Paran{\'a}}",
title = "Composi{\c{c}}{\~a}o total elementar do solo de um experimento
de longa dura{\c{c}}{\~a}o usando espectroscopia total de
fluoresc{\^e}ncia de raios-X",
journal = "Revista Brasileira de Geografia F{\'{\i}}sica",
year = "2016",
volume = "9",
number = "3",
pages = "778--792",
keywords = "manejo do solo, plantas de cobertura, plantio direto, plantio
convencional, geoqu{\'{\i}}mica, soil management, cover crops,
no tillage, conventional tillage, geochemistry.",
abstract = "Neste trabalho, determinaram-se os teores totais das
subst{\^a}ncias qu{\'{\i}}micas presentes em um Latossolo
Vermelho aluminof{\'e}rrico utilizando a t{\'e}cnica de
espectroscopia total de fluoresc{\^e}ncia de raios-X. A pesquisa
teve como objetivo criar uma base de dados geoqu{\'{\i}}mica
para os solos da regi{\~a}o sudoeste do Paran{\'a}; comparar os
resultados com valores de refer{\^e}ncia nacional e
internacional; avaliar o efeito dos sistemas plantio direto versus
convencional de cultivo e; de plantas de cobertura de inverno, na
geoqu{\'{\i}}mica do solo de um experimento de longa
dura{\c{c}}{\~a}o. As coletas de solo se deram em tr{\^e}s
locais distintos, em tr{\^e}s camadas (0-10, 10-20 e 20-40 cm). A
t{\'e}cnica utilizada forneceu de maneira r{\'a}pida e limpa a
impress{\~a}o digital qu{\'{\i}}mica do solo e os mesmos servem
de background para o sudoeste do Paran{\'a}. Os teores de
elementos qu{\'{\i}}micos preconizados por
organiza{\c{c}}{\~o}es nacionais e internacionais n{\~a}o
est{\~a}o alinhados com os teores observados em {\'a}reas
n{\~a}o antropizadas do estado do Paran{\'a}. Os resultados
obtidos tamb{\'e}m mostraram que 29 anos ap{\'o}s a
implanta{\c{c}}{\~a}o do experimento, a fertilidade natural foi
alterada e que, a substitui{\c{c}}{\~a}o da
vegeta{\c{c}}{\~a}o nativa por sistemas cultivados levou a
exporta{\c{c}}{\~a}o de algumas subst{\^a}ncias
qu{\'{\i}}micas do solo como SO3, MnO, Co e, ao ac{\'u}mulo de
outras como CaO, K2O e MgO. No sistema plantio direto (0-10 cm)
concentraram-se os maiores teores de subst{\^a}ncias de origem
antropog{\^e}nica. O sistema convencional de cultivo apresentou
diferencia{\c{c}}{\~a}o significativa nos teores entre as
plantas de cobertura e n{\~a}o significativa entre as camadas de
solo ABSTRACT: In this work, the total chemical element levels in
a Rhodic Hapludox were determined using total X-ray fluorescence
spectroscopy. The research aimed to create a geochemical database
of soils in the southwestern region of Paran{\'a}; compare the
values obtained with national and international reference values;
evaluate the effect of no-tillage versus conventional tillage
systems and; coverage plants on the soil geochemistry in a long
term experiment. Soil collections were made in three different
locations, each in three layers (0-10, 10-20 and 20-40 cm). The
technique gave a quick, clean chemical digital impression of the
soil which also can be used as a background for the southwestern
Paran{\'a}. The levels of chemicals recommended by national and
international organizations are not aligned with the levels
observed in non-disturbed areas of Paran{\'a} State. The results
also showed that twenty nine years after the beginning of the
experiment, the natural fertility changed and that, with the
substitution of native vegetation for cultivation systems, levels
of some components such as SO3, MnO and Co decreased and those of
others such as CaO, K2O and MgO increased. In soils for which
no-tillage systems (0-10 cm) is the largest concentrations of
anthropogenic substances. The conventional tillage systems gave
levels very different from those found in soils under coverage
plants and not significantly different between the soil layers.",
doi = "10.5935/1984-2295.20160052",
url = "http://dx.doi.org/10.5935/1984-2295.20160052",
issn = "1984-2295",
label = "lattes: 3598069757374025 1 CapoaneKrolSantCana:2016:ToElCo",
language = "en",
targetfile = "capoane_composicao.pdf",
url = "http://www.revista.ufpe.br/rbgfe/index.php/revista/article/view/1611",
urlaccessdate = "27 abr. 2024"
}