2016
DOI: 10.4067/s0718-34292016000100004
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Soil fertility, humic fractions and natural abundance of 13C and 15N in soil under different land use in Paraná State, Southern Brazil

Abstract: Fertilidad del suelo, fracciones húmicas y abundancia natural de 13 ABSTRACTHumic fractions of soil organic matter (SOM) and measurements of 13 C and 15 N isotope can be used to highlight differences between management systems with different intensities of land use. This study characterized soil fertility, quantified carbon levels in the humic fractions and evaluated the natural abundance of 13 C and 15 N in systems cultivated under no-tillage system (NTS) and conventional tillage system (CTS) or used with … Show more

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Cited by 10 publications
(3 citation statements)
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“…However, other practices such as the supply of phytomass to the soil due to the use of cover crops increase the production of fodder and help to maintain a balanced environment in the soil regarding its physical, chemical and biological characteristics (Loss et al, 2016). Note.…”
Section: Resultsmentioning
confidence: 99%
“…However, other practices such as the supply of phytomass to the soil due to the use of cover crops increase the production of fodder and help to maintain a balanced environment in the soil regarding its physical, chemical and biological characteristics (Loss et al, 2016). Note.…”
Section: Resultsmentioning
confidence: 99%
“…Em geral, os estoques de C total nos sistemas conservacionistas são alterados somente de médio a longo prazo (LOSS et al, 2016). Desta maneira, para identificar previamente os potenciais efeitos de sistemas de manejo sobre os estoques C do solo, e seus serviços ecossistêmicos associados, têm sido realizadas avaliações nos compartimentos (e.g., C particulado, MO leve) e parâmetros (e.g., δ 13 C, 15 N, índice de manejo de C) da MOS, mais sensíveis as mudanças de manejos (SCHIAVO et al, 2011;ROSSI et al, 2012;DURIGAN et al, 2017).…”
Section: Introductionunclassified
“…A variação natural do δ 15 N quantifica reflexos da fonte de entrada de N no solo, bem como suas posteriores transformações durante os processos de ciclagem, com faixas muito amplas de fracionamento em cada processo (SZPAK, 2014). Dessa forma, a abundância de δ 15 N e δ 13 C no solo tem sido utilizada para avaliar a origem e os efeitos da mudança do uso da terra e práticas de manejo na ciclagem da MOS (PICCOLO; NEILL; CERRI, 1994;LOSS et al, 2014;FRANCO et al, 2015).…”
Section: Introductionunclassified